The Black Mountains of northwest Arizona are an extensive, mostly linear, north-south trending 75 miles (121 km) long mountain range . It forms the north-south border of southwest Mohave County as it borders the eastern shore of the south-flowing Colorado River from Hoover Dam .
5-719: Boundary Cone is a geologic promontory located in the western foothills of the Black Mountains in Mohave County, Arizona . The peak is to the east of the Mohave Valley , northeast of Needles, California , and southeast of Bullhead City . The peak is about 4 miles (6 km) southwest of the mountain community of Oatman and 12 miles (19 km) east of the Colorado River . Several Indigenous peoples attach religious and cultural significance to Boundary Cone as well as much of
10-525: The Sacramento Valley (Arizona) southeast. The Cerbat Mountains border eastwards. Mount Perkins, in the center-north of the range, is located at 35°34′12″N 114°30′31″W / 35.56999°N 114.50858°W / 35.56999; -114.50858 ( Mount Perkins ) . The Black Mountains are in four watersheds. The north and northeast contain the Lake Mead Watershed , and
15-552: The Detrital Valley northeast. The southern end of the range with the two wilderness areas is a larger block and the Warm Springs Wilderness is made of a mountain section called Black Mesa, separated from the north section by Sitgreaves Pass , on the route to Oatman, Arizona. The high point of the range is Mount Perkins at 5,456 feet (1,663 m), located west of the water divide of the Detrital Valley northeast, and
20-741: The surrounding landscape. In March 2006, the Bureau of Land Management determined and the Arizona State Historic Preservation Office concurred that Boundary Cone is eligible for inclusion on the National Register of Historic Places as a property of traditional, religious, and cultural importance to several Indigenous tribes. Boundary Cone was a prominent landmark for early travelers in this region. [REDACTED] Media related to Boundary Cone at Wikimedia Commons Black Mountains (Arizona) The northwest and part of
25-538: The western areas of the range are located within the Lake Mead National Recreation Area . Three wilderness areas are within the range. The historic mining site of Oatman , 4 miles north of Boundary Cone , is nestled in the southern portion of the range between the Mount Nutt and Warm Springs wildernesses. The mountain range is generally 10-15 mi wide, narrower in the north, and west of
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