The Sanel Valley in Mendocino County, California , is a valley along the Russian River containing the town of Hopland . The river flows through the valley for approximately 6 miles (9.7 km) from the northeast (where it connects from its headwaters and the Ukiah Valley through a rocky constriction) to the southwest, and it is met near Hopland by two tributaries, Feliz Creek on the west side of the river and McDowell Creek on the east. The valley is approximately 2 miles (3.2 km) wide, and covers an area of 8.4 square miles (22 km).
6-525: The valley is served by U.S. Route 101 , which passes through the valley near the west bank of the river, and by California State Route 175 , which connects Hopland through the Mayacamas Mountains to Lakeport and Clear Lake to the east. The name Sanel comes from a Pomo language word for a sweat lodge . A village of the Hopland Pomo was located at what is now Old Hopland and gave its name to
12-582: Is also known locally as the "Hopland Grade", or "Hopland Pass." Except for the portion on SR 29, SR 175 is not part of the National Highway System , a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration . Originally constructed in the early 1920s, it is one of the steepest and most difficult to drive of any California state highway. Until recently it
18-637: The Mayacamas Mountains , connecting U.S. Route 101 in Hopland in Mendocino County with State Route 29 in Middletown in Lake County . SR 175 connects U.S. Route 101 at Hopland to State Route 29 near Lakeport through the Mayacamas Mountains . From there it joins SR 29 until Kelseyville , where it loops out until meeting SR 29 again at its end at Middletown . The section between Hopland and Lakeport
24-449: The route since then, M indicates a second realignment, L refers to an overlap due to a correction or change, and T indicates postmiles classified as temporary ( for a full list of prefixes, see California postmile § Official postmile definitions ). Segments that remain unconstructed or have been relinquished to local control may be omitted. The numbers reset at county lines; the start and end postmiles in each county are given in
30-483: The valley and the Rancho Sanel that encompassed it. 38°59′59″N 123°06′34″W / 38.99972°N 123.10944°W / 38.99972; -123.10944 This Mendocino County, California –related article is a stub . You can help Misplaced Pages by expanding it . California State Route 175 State Route 175 ( SR 175 ) is a state highway in the U.S. state of California that runs through
36-520: Was called the "crookedest road in California". Vehicles more than 39 feet (12 m) in length are banned from the Hopland Grade, due to its many tight hairpin turns and curves. Except where prefixed with a letter, postmiles were measured on the road as it was in 1964 , based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in
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