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69-702: Becharof Wilderness it comprises approximately 500,000 acres (2,000 km) and is bordered by the Katmai Wilderness on the north. It was designated a wilderness area in 1980 by the Alaska National Interest Lands Conservation Act . Jimmy Carter created Becharof National Monument by presidential proclamation on December 1, 1978. The refuge was established on December 2, 1980 by the Alaska National Interest Land Conservation Act (ANILCA). In 1983,

138-575: A National Historic Landmark in 1993. A village abandoned after the 1912 eruption at the mouth of the Savonoski River is documented as the " Old Savonoski Site ", while a more extensive district of sites is located near the mouth of the Grosvenor River. The " DIL-161 Site " is located in the watershed of the Alagnak River , and shows evidence of habitation in the first millennium. Russians were

207-552: A lake and fumaroles on the highest cone's flank. Apart from steaming there has been no recent activity, but there was a large debris avalanche in 1912, probably associated with the eruption of Katmai, amounting to between 0.05 and 0.10 cubic kilometer in volume. Fourpeaked Mountain is a stratovolcano with a probable vent at the summit. Much of the 6,903-foot (2,104 m) mountain is covered by Fourpeaked Glacier . Fourpeaked produced phreatic eruptions in September 2006. Mount Griggs

276-467: A mountainous coastline containing the Ugashik-Peulik volcano and steep cliffs and the park contains a range of geographical features from mountains, broad valleys and fjords , to tundra and glacially formed lakes. Within the park lies the extensive Becharof Lake which at 300,000 acres (1,200 km), 35 miles (56 km) long, 15 miles (24 km) wide and 600 feet (180 m) deep at deepest, it

345-510: A plug dome, a 2,000-metre (6,600 ft) diameter crater with a 65-metre (213 ft), 400-metre (1,300 ft) diameter dome in the middle. Its only historical activity was the 1912 eruption. Trident is a complex of three stratovolcanoes, the highest of which is 3,599 feet (1,097 m) tall, standing up to 1,894 feet (577 m) above their base. Trident has been intermittently active in historical times, primarily between 1953 and 1974. During that time about 0.7 cubic kilometers of material

414-481: A small acidic crater lake at its summit. 7,454-foot (2,272 m) Mount Steller is located between Kukak and Denison, with an unknown number of vents in ice-covered terrain. Kejulik is a 4,977-foot (1,517 m) eroded volcanic remnant. None of these volcanoes have exhibited significant behavior in historic times. Activities at Katmai include hiking , backpacking , camping , backcountry skiing , fishing , kayaking , boat tours, and interpretive programs. Katmai

483-448: A strong fumarole field near the summit. Devils Desk is a heavily eroded stratovolcano, 6,411 feet (1,954 m) high. Kaguyak is a stratovolcano truncated by a caldera, like Katmai. The highest peak is 2,956 feet (901 m), with a 2.5-kilometre (1.6 mi) diameter crater lake. There are two large domes within the caldera and two on the flanks. Mount Douglas is a 7,021-foot (2,140 m) stratovolcano, extensively eroded by ice, with

552-530: A variety of plant communities. Common wildflowers that grow in the park include beachhead iris , nootka lupine , and woolly geranium . Prehistoric artifacts have been found dating to about 6,000 years before the present near the old Katmai village on the park's south coast. A number of other sites have been found along the coast, notably those of Kaguyak and Kukak , with occupation into historic times. Some of these, including sites "49 AF 3" near Kanatak and "49 MK 10", present clear evidence of habitation up to

621-559: A westward expansion of 94,547 acres (38,262 ha) that President Lyndon B. Johnson signed in 1968, producing anger in Alaska. In 1971 Katmai finally gained a full-time, on-site park superintendent. Also in 1971, Congress passed the Alaska Native Claims Settlement Act (ANCSA), which established a framework to divide up Alaska's federal lands. ANCSA established a timetable for claims, withdrawals and designations, requiring

690-511: Is a 7,602-foot (2,317 m) stratovolcano near Novarupta, and somewhat to the northwest of the otherwise straight line of volcanoes in Katmai. The flat-topped mountain has three concentric craters, the largest 1,500 metres (4,900 ft) wide. The mountain's geochemistry differs from its neighbors. Griggs has active sulfurous fumaroles. Snowy Mountain is a small volcano 7,090 feet (2,160 m) tall, with ten significant glaciers covering almost all of

759-400: Is abundant in the park and the high levels of salmon are enough to feed the largest concentrations of brown bears in Alaska. Wolf packs, two species of fox , wolverine , river otter , beaver , caribou , seals , sea lions , sea otters and whales as well as various seabirds such as eagles found along the shore. The Naknek River basin is one of the important wildlife habitats of

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828-469: Is also well known for Alaskan brown bears and the sockeye salmon that attract both bears and people. Katmai contains the world's largest protected brown bear population, estimated to number about 2,200. Bears are especially likely to congregate at the Brooks Falls viewing platform when the salmon are spawning, and many well known photographs of Alaskan brown bears, such as Thomas Mangelsen 's Catch of

897-493: Is between the sizes of Connecticut and New Jersey . Most of the national park is a designated wilderness area . The park is named after Mount Katmai , its centerpiece stratovolcano . The park is located on the Alaska Peninsula , across from Kodiak Island , with headquarters in nearby King Salmon , about 290 miles (470 km) southwest of Anchorage . The area was first designated a national monument in 1918 to protect

966-1113: Is composed of the Shelikof Strait coastline, about 10 miles (16 km) deep along the coast, the Aleutian Mountain zone, and the lake, or Hudsonian zone. Farther west the Nushagak-Bristol Bay Lowlands province is separated from the Aleutian zone by the Bruin Bay Fault, occupying a small corner of the park. The active volcanoes in the park are Mount Katmai , Novarupta , Trident Volcano , Mount Mageik , Mount Martin and Fourpeaked Mountain . Other volcanoes that have erupted in recent times in geological terms, but not in historical times, are Mount Douglas , Mount Griggs , Snowy Mountain , Mount Denison , Mount Kukak , Devils Desk , Mount Kaguyak , Mount Cerberus, Falling Mountain and Kejulik Volcano . Martin and Mageik produce steam that can be seen from King Salmon, while Trident

1035-497: Is deeply indented, running from the entrance to the Cook Inlet at Kamishak Bay south to Cape Kubugakli. The mountains run from southwest to northeast, about 15 miles (24 km) inland. The park abuts McNeil River State Game Sanctuary and Refuge on Kamishak Bay. The Alagnak River , designated a wild river , originates within the preserve at Kukaklek Lake . The Naknek River , which empties into Bristol Bay , originates within

1104-552: Is located on the lake's shore where the Brooks River enters the lake over rapids. Naknek Lake harbors a wide variety of life, typical of the Alaska Peninsula. Typically observed around the lake are Alaska moose , wolves , and occasionally wolverines . However, the lake is most famous for sockeye salmon and grizzly bears . The bears are often seen wandering around the lake or wading into it to catch fish, but they are found in

1173-481: Is second largest lake in Alaska and the largest in the entire National Wildlife Refuge System. The lake is fed by a number of rivers and streams, and contains some of the largest salmon populations in the world. The lake has the world's second largest run of sockeye salmon and estimates reveal that Becharof Lake and its tributaries provide the Bristol Bay fishery alone with six million adult salmon per year. Wildlife

1242-554: Is somewhat drier than the rest of the year, and warm days can occur year-round. Rainfall is heaviest near the coast, with up to 60 inches (150 cm), and lighter to the west. The park supports 29 mammal species, 137 bird species, 24 freshwater fish species and four anadromous fish species. Mammal species that inhabit Katmai include snowshoe hare , moose , timber wolf , brown bear , coyote , beaver , lynx , wolverine , river otter , mink , Arctic and red fox species, weasel , porcupine , and marten . Marine mammals include

1311-571: The Shelikof Strait . The park's chief features are its coast, the Aleutian Range with a chain of fifteen volcanic mountains across the coastal southeastern part of the park, and a series of large lakes in the flatter western part of the park. The closest significant town to the park is King Salmon , where the park's headquarters is located, about 5 miles (8.0 km) down the Naknek River from

1380-540: The United States Department of Agriculture , the Plant Hardiness zone at Brooks Falls at 92 feet (28 m) elevation is 3b with an average annual extreme minimum temperature of −30.9 °F (−34.9 °C). Weather at Katmai is variable, though reliably rainy or drizzly. Summer high temperatures average about 63 °F (17 °C) and winter lows are between −4 and 40 °F (−20 and 4 °C). Fall

1449-546: The harbor seal , sea lion , sea otter , beluga whale , killer whale and gray whale . Caribou are occasionally within the park during winter seasons. The most important fish in the park are sockeye salmon , which feed bears, bald eagles and others during their spawning runs in the park's rivers. Salmon enter the Naknek River drainage from Bristol Bay in June and July and spawn from August to October. The park also supports

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1518-465: The 1912 eruption, but have not been investigated in detail. The Amalik Bay Archeological District is a major area containing evidence of some of the earliest human activity in the area, with finds dating back more than 7,000 years. Inland, Brooks Camp is a significant archaeological site dating to about 4500 BP, listed on the National Register of Historic Places (NRHP) in 1977 and designated

1587-523: The 1950s. At the same time, the Park Service became aware that Katmai was among the best habitat for grizzlies in Alaska, and that the monument should be expanded to protect them and the prolific salmon spawning grounds. In 1931 President Herbert Hoover issued a proclamation expanding the monument under the Antiquities Act to 2,697,590 acres (1,091,680 ha), more than doubling it in size and creating

1656-500: The 1950s. The monument and surrounding lands became appreciated for their wide variety of wildlife, including an abundance of sockeye salmon and the brown bears that feed upon them. After a series of boundary expansions, the present national park and preserve were established in 1980 under the Alaska National Interest Lands Conservation Act . Katmai occupies the Pacific Ocean side of the Alaska Peninsula , opposite Kodiak Island on

1725-410: The Alaska Peninsula are divided by the Bruin Bay Fault into fossiliferous sedimentary rocks of Jurassic and Cretaceous age to the east and metamorphic and igneous rocks to the west. The granite Aleutian Range batholith has intruded through these rocks. The majority of the higher mountains in the park are of volcanic origin. The park has been extensively altered by glaciation, both in the high lands where

1794-458: The Alaskan mainland and eastwards as far as Puget Sound. Atmospheric haze was noted worldwide, and temperatures were depressed in the northern hemisphere during the second half of 1912. Initial reports pinpointed Mount Katmai as the center of eruption. Later reports cast doubt on Katmai's primary role, and it was not until 1954 that Novarupta was found to be the primary volcanic center. The region around

1863-617: The Brooks Lake outlet, having previously blasted out part of the falls in 1921. At about the same time the Park Service became concerned about illegal trapping in the monument, asking the Alaska Fish and Game Commission to send wardens to patrol the area. Several trappers were apprehended, and Park Service personnel visited the monument, sending back positive reports on the scenery and wildlife. These reports, and efforts to make poaching more difficult, led to another boundary adjustment that included

1932-625: The Day , have been taken there. The salmon arrive early at the falls compared to other streams. Between 43 and 70 individual bears have been documented there in July and in the lower river in September. The coastal areas such as Hallo Bay , Kukak Bay, Kuliak Bay, Kaflia Bay, Geographic Harbor and Chiniak Bay also host very high population densities of bears year-round, due to the availability of clams and edible coastal sedge as well as salmon and other fish. Other hotspots include Swikshak Lagoon, American Creek, and in

2001-902: The Fish and Wildlife Service undertook the responsibility to manage the Becharof Refuge, along with the Ugashik and Chignik units of the Alaska Peninsula National Wildlife Refuge . In 1989 the park areas was heavily affected by the Exxon Valdez Oil Spill which devastated the Alaska Peninsula. Puale Bay was the most heavily oiled bay outside of Prince William Sound . In an effort to determine species presence, distribution, habitat use, and migratory patterns, extensive land bird studies were conducted from 1995 through 1998 at various locations around Becharof Lake. Biologists continued

2070-506: The National Geographic Society. At this time legislation to establish Mount McKinley National Park (later renamed Denali National Park) was pending, and the idea of making Katmai a national park was discussed by National Park Service acting director Horace M. Albright and National Geographic Society president Gilbert Hovey Grosvenor . Albright advised that national park legislation was unlikely to pass, suggesting instead that

2139-892: The National Park Service. July and September are by far the best months for viewing brown bears in the Brooks Camp area. Lodging is available in the park at Brooks Camp and Grosvenor Lodge and at several other lodges scattered around the park on inholdings. According to the Köppen climate classification system, Katmai National Park and Preserve has a subarctic climate ( Dfc ) with cool summers and year around precipitation. Dfc climates are defined by their coldest month averaging below 32 °F (0 °C), 1–3 months averaging above 50 °F (10 °C), all months with average temperatures below 71.6 °F (22.0 °C) and no significant precipitation difference between seasons. According to

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2208-413: The Park Service to come up with a plan for future park units. The Park Service proposed 33,000,000 acres (13,000,000 ha) of new park lands, among them a 1,218,490-acre (493,110 ha) expansion of Katmai. Through the mid-1970s a variety of proposals were circulated for expansion and wilderness designation. At the same time, concerns were raised about the withdrawal of game lands from sport hunting, and

2277-511: The Valley of Ten Thousand Smokes and found Novarupta. The National Geographic Society, delighted with the discoveries, funded a larger expedition in 1917 to make a survey of the region. The subsequent articles published in National Geographic magazine brought the region to prominence in the public, and Griggs began to advocate for the protection of the area in the national park system, backed by

2346-420: The ability of local residents to continue to practice subsistence hunting. To address these concerns, legislation was proposed to create national preserve lands that would confer protection while allowing regulated sport hunting. Early versions of the Alaska National Interest Lands Conservation Act (ANILCA) proposed Katmai National Park and Preserve as a combination of park and preserve lands. This legislation

2415-399: The activity at the Valley of Ten Thousand Smokes had declined, and because the Park Service had made no effort to develop the monument for visitors. These proposals were turned aside, and in 1950 a seasonal ranger was assigned to Katmai. William Nancarrow built a small camp at Brooks River. By the mid-1950s the Park Service embarked on its Mission 66 program to expand visitor services. Katmai

2484-423: The area around the major 1912 volcanic eruption of Novarupta , which formed the Valley of Ten Thousand Smokes, a 40-square-mile (100 km ), 100-to-700-foot-deep (30 to 213 m) pyroclastic flow . The park includes as many as 18 individual volcanoes , seven of which have been active since 1900. Initially designated because of its volcanic history, the monument was left undeveloped and largely unvisited until

2553-582: The bear fishing grounds on the river, adjacent to Katmai. McNeil River was declared a National Natural Landmark in 1968. In the 1990s a state game refuge, with 120,000 acres (49,000 ha) was established to the north of the sanctuary to protect Chenik Lake, which supported a smaller fish run, attracting bears. The refuge and the expanded 128,000 acres (52,000 ha) sanctuary have remained closed to hunting, despite an unsuccessful 2005 attempt by Governor Frank Murkowski and again in 2007 by Sarah Palin 's Board of Game. Recently there have been proposals to merge

2622-408: The caldera is one of the few to have formed in historical times. The caldera floor is about 250 metres (820 ft) below the rim. The mountain stands on Jurassic sedimentary rocks, and its volcanic components are less than 1,500 feet (460 m) thick. Apart from the 1912 eruption, no significant activity has occurred in historical times. Novarupta is described as a Plinian pyroclastic vent with

2691-534: The coast at Douglas and Kukak. American traders operating for the Alaska Commercial Company took the place of the Russians. As sea otters became scarce the trade dried up, and Katmai and Douglas were abandoned in the early 20th century. In the 1890s the region was a route for travelers going to Nome for Nome's short-lived gold rush. Writer Rex Beach was one of these, writing about life on Bristol Bay during

2760-403: The early 1920s amounted to a few dozen. No National Park Service staff were assigned to the site, which was in theory administered by Mount McKinley. By 1928 more visitors arrived. The most prominent among them was Father Bernard R. Hubbard , an explorer of Alaska who gained fame as "The Glacier Priest". Hubbard documented the Valley of Ten Thousand Smokes in movies that he showed at lectures until

2829-632: The first Europeans to arrive in the area in significant numbers, trading in furs. They encountered the Aglegmuit Eskimos on the Bristol Bay side of the peninsula and the Koniag Eskino on the Shelikov Strait side. Katmai Village was the only location within the park where Europeans lived through the mid-19th century, though their numbers were always few. In the latter part of the 19th century a few villages were established inland at Severnosky and along

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2898-410: The following week. In early May, a variety of dredges and skimmer vessels were working in the Shelikof Strait, but 90% of the Katmai coastline was oiled. The worst-hit areas were Cape Chiniak and Chiniak Lagoon, Hallo Bay Beach and its lagoon, Cape Gull and Kaflia Bay, and Cape Douglas. Casualties in birds alone were estimated at 8,400 dead birds. Work resumed in 1990, with smaller efforts in 1991 to catch

2967-414: The islands in the Shelikof Strait and Cook Inlet within 5 miles (8.0 km) of the old boundary, signed by President Franklin D. Roosevelt on August 4, 1941, which increased the monument's area by several thousand acres. Poaching increased after World War II. At the same time, Alaskan territorial interests sought to have the monument disestablished or reduced in size to allow mining and fishing, because

3036-454: The lake Lake Walker, for Francis Amasa Walker , Superintendent of the 1880 United States census. The lake is famous for its sport fishing , supporting one of the largest king salmon fisheries in southwestern Alaska, though the king salmon are greatly outnumbered by sockeye salmon as well as pink and chum salmon. Large rainbow trout are also common around the lake, along with northern pike , lake trout and Arctic char . Brooks Camp

3105-525: The largest single Park Service unit. Crucially, the expanded monument included the falls at Brooks Camp, while avoiding lands along the coast thought to have potential oil deposits. In 1937 a ranger was finally assigned to Katmai, seconded to the monument from Mount McKinley, spending most of June trying to get there and one day in the monument before returning to Mount McKinley. In 1939 the United States Bureau of Fisheries established an encampment at

3174-471: The last oil. The superintendent of Katmai is also responsible for Aniakchak National Monument and Preserve and Alagnak Wild River . Naknek Lake Naknek Lake is a lake in southern Alaska , near the base of the Alaska Peninsula . Located in Katmai National Park and Preserve , the lake is 40 miles (64 km) long and three to eight miles (4.8 to 12.9 km) wide, the largest lake in

3243-626: The legislation for Katmai did not grant subsistence hunting access to national park lands, only to the preserve. Sport and subsistence hunting is prohibited in Katmai National Park but allowed in the preserve. The grounding of the oil tanker Exxon Valdez in Prince William Sound on March 24, 1989, produced extensive contamination of the Katmai coastline. By early April, oil had reached Kenai Fjords National Park . Oil reached Cape Douglas in Katmai on April 26 and points southwards in

3312-683: The monitoring work in the park 2001 through 2003 using the same methods, paying notable attention to seabird activity, along with caribou and Alaskan moose populations. The refuge is affiliated with the Alaska Fish and Wildlife Cooperative Research Unit at the University of Alaska Fairbanks to conduct research into the drainage basin east of the Ugashik Lakes on the Alaska Peninsula to monitor moose activity. The Becharof National Wildlife Refuge covers an area of 1,200,000 acres (4,900 km). It lies on

3381-427: The mountain to fill the upper part of Angle Creek's valley with about five cubic kilometers of material. There have been no significant eruptions from Martin, but the summit emits steam and the volcano is the site of earthquake swarms. Mageik stands on the same sedimentary rocks as Martin. The composite structure has four vents, the highest at 7,103 feet (2,165 m) and three subsidiary vent cones. A small crater hold

3450-420: The mountain. Roughly a third to half of the mountain has been eroded by glacial action. The volcano has two vents about 4 kilometres (2.5 mi) apart, and active fumaroles at the tallest summit. Mount Denison is a 7,605-foot (2,318 m) peak with four related vents at the head of three glaciers, the tallest point in the park. Mount Kukak is another ice-covered volcano, 6,693 feet (2,040 m) tall. It has

3519-426: The mountains have been sculpted by glaciers, and in the lowlands where lakes have been excavated. Outwash plains and terminal moraines are also featured in the park. Soil types vary from rock or volcanic ash of vary depth to deep, wet soils overlain with peat . Although permafrost exists at higher elevations, it is not present in the lowlands. Two physiographic provinces cover the park. The Aleutian Range province

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3588-399: The mountains, which had received heavy ashfall, was devastated. The National Geographic Society backed five expeditions to Katmai, beginning in 1915 with a trip to Kodiak Island and a short stay on the mainland. The expedition, led by Robert Fiske Griggs , a botanist who was initially interested in the study of plant recolonization. Griggs' follow-up expedition in 1916 discovered and named

3657-449: The mouth of Naknek Lake to Kvichak Bay in Naknek and register the waterfowl by species approximately four times a week. During winter populations of red-breasted merganser, common goldeneye, bald eagle, willow ptarmigan , glaucous-winged gull, Canada jay , black-billed magpie , common raven , chickadee , northern shrike , and the common redpoll amongst other birds can be spotted in

3726-421: The name " Valley of Ten Thousand Smokes ". As heat has dissipated from the deposits the steam vents have subsided and the valley has been eroded. At present streams have cut canyons as much as 100 feet (30 m) deep, but only 5 to 10 feet (1.5 to 3.0 m) wide. Katmai is a stratovolcano , 6,716 feet (2,047 m) in height, with a large summit caldera. Several glaciers originate from the mountain, and one in

3795-495: The park entrance. The Alaska Peninsula Highway connects Naknek Lake near the entrance to King Salmon, continuing to the mouth of the river at Naknek . The road is not connected to the Alaska road system. Access to the park's interior is by boat on Naknek Lake. Another road runs from Brooks Camp to Three Forks, which overlooks the Valley of Ten Thousand Smokes . The 497-mile (800 km) long coastline (however, see coastline paradox )

3864-544: The park, connecting to King Salmon. The Park Service was opposed. The 1964 Alaska earthquake stalled the proposal for several years, resurfacing in 1968 with local support. However, the Park Service opposed the plans and the road project was set aside. In the meantime headquarters facilities were developed at King Salmon. In 1967 the state of Alaska set aside the McNeil River State Game Sanctuary with 85,000 acres (34,000 ha) under protection to safeguard

3933-431: The park. 58°00′N 156°15′W  /  58.000°N 156.250°W  / 58.000; -156.250 Katmai Wilderness Katmai National Park and Preserve is a United States national park and preserve in southwest Alaska , notable for the Valley of Ten Thousand Smokes and for its brown bears . The park and preserve encompass 4,093,077 acres (6,395.43 sq mi; 16,564.09 km ), which

4002-411: The park. The lake drains west into Bristol Bay through the Naknek River . The elevation of the lake has lowered over the past 5,000 years as it has cut through a glacial moraine , separating Naknek Lake and Brooks Lake and creating Brooks Falls about 3500 years ago. The earliest Russian explorer reported the lake's name as Naknek , but a later one said its name was "Akulogak". Ivan Petrof named

4071-562: The park. The park adjoins Becharof National Wildlife Refuge to the south. Of the park and preserve's acres, 3,922,529 acres (1,587,391 ha) are in the national park where all sport and subsistence hunting is prohibited. 418,548 acres (169,380 ha) are preserve lands, where both sport and subsistence hunting are permitted. The most commonly hunted species in the preserve includes the brown bear, which has led to some problems about bear hunting due to small preserve population sizes and stalking bears to close limits. The foundation rocks on

4140-673: The park. The river provides habitat for thousands of ducks, geese and swans that will later populate breeding lakes and ponds on the Alaska Peninsula and the area is closely monitored by biologists and ornithologists. The area contains notable populations of common merganser , common goldeneye , American green-winged teal , Canada goose , greater scaup , tundra swan , greater white-fronted goose , mallard , northern pintail , American and Eurasian wigeon , northern shoveler , red-breasted merganser , black scoter , and long-tailed duck . From mid-March through to mid-May, refuge biologists monitor waterfowl from established points that extend from

4209-414: The present park and preserve, the monument was nevertheless half the size of Yellowstone National Park from the outset. President Woodrow Wilson signed the proclamation of Katmai National Monument on September 24, 1918. The proclamation had little immediate effect, other than grumbling from territorial officials. A 1923 expedition found that the region had little exploitable mineral potential. Tourists in

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4278-692: The preserve, Moraine Creek and Funnel Creek. The vast majority of Katmai visitors come to Brooks Camp , one of the only developed areas of the park, and few venture further than the bear viewing platforms and the adjacent Brooks Camp area. Rangers at the park are extremely careful not to allow bears to obtain human food or get into confrontations with humans. As a result, bears in Katmai Park are uniquely unafraid of and uninterested in humans, and will allow people to approach (and photograph) much more closely than bears elsewhere. The bears of Brooks Camp can be seen on computers and smartphones via webcams pioneered by

4347-518: The region be protected as a national monument by the President, using the Antiquities Act of 1906. After some negotiation, and after a 1918 expedition opined that the Valley of Ten Thousand Smokes was a permanent feature, a proclamation was prepared to protect 1,080,000 acres (440,000 ha) around Mount Katmai, the valley, and the most of Iliuk Arm of Naknek Lake. Although only a third the area of

4416-757: The salmon run in The Silver Horde . Prospects for oil, gold and coal received brief attention, then died out by 1912. By 1898 there were reports of frequent earthquakes in the vicinity of Katmai Pass. These intensified around June 1, 1912, inducing the few local residents to leave. Katmai and Novarupta erupted on June 6 with a noise heard in Fairbanks, 500 miles (800 km) away, and Juneau, 750 miles (1,210 km) distant. Heavy eruptions continued through June 7, then gradually declined from June 8 onwards. Ash fell 6 to 12 inches (15 to 30 cm) deep in Kodiak, and ash fell on

4485-420: The sanctuary and refuge into Katmai. When George B. Hartzog Jr. became director of the National Park Service in 1964 he commissioned a report on Alaskan public lands, entitled Operation Great Land . The study identified 39 site that might become preserves or recreation lands, and it recommended that Katmai be expanded somewhat to the west and substantially to the north. The boundary adjustments were amended to

4554-451: Was active in 1957–1965 and 1968. The most significant volcanic event in historical times was the simultaneous eruption of Mount Katmai and Novarupta in June 1912. Novarupta's eruption produced a pyroclastic flow that covered a nearby valley with ash as much as 300 feet (91 m) thick. At the same time the summit of Katmai collapsed into a caldera. As the valley deposits cooled, they emitted steam from fissures and fumaroles, earning

4623-419: Was erupted to form a new peak called Southwest Trident from the former site of a large fumarolic pit. Mount Martin is 6,102 feet (1,860 m) high, standing on a 1,400-metre (4,600 ft) high ridge near Mount Mageik, partly overlapping the much older Alagogshak volcano. The summit has a 300-metre (980 ft) diameter crater, containing fumaroles and sometimes a crater lake. A large lava flow extends from

4692-754: Was stalled in Congress by 1978. Because a deadline was approaching for state selection of public lands, President Jimmy Carter used his authority under the Antiquities Act to expand Katmai by 1,370,000 acres (550,000 ha) on December 1, 1978, mainly on the northern side of the monument. It took two more years for Congress to act on a final ANILCA bill. On December 2, 1980, the final bill established Katmai National Park and Preserve with 1,037,000 acres (420,000 ha) of additional park, bringing it to 3,674,529.33 acres (1,487,029.26 ha) and 308,000 acres (125,000 ha) of preserve, with 3,384,358 acres (1,369,601 ha) of wilderness lands . Unlike most ANILCA parks,

4761-407: Was to receive a headquarters at King Salmon, a visitor center at Valley Junction in the Valley of Ten Thousand Smokes, ranger stations, campgrounds, modest roads and dock facilities on the lakes. An airstrip was also proposed for Brooks Camp. The airstrip was not built, but a road from Brooks Camp to the valley was built. In the early 1960s a road was proposed that would run across the peninsula through

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