The Trinity Alps are a rugged mountain range in Northern California, offering alpine hiking, high-country lakes, and access to trailhead circuits. Famous peaks like Mt. Dyer and Mt. Drake rise above glacial cirques, while carved valleys and wilderness areas are interconnected by multi-day routes and isolated campsites.

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Geography

ContinentNorth America
RegionNorthern California
SubregionPacific Northwest
CountryUnited States
StateCalifornia
CountySiskiyou County
DistrictTrinity County
TimezoneAmericaLos Angeles
Latitude40.683
Longitude-123.1
Maps
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The Trinity Alps span roughly 2,100 square kilometers in northwestern California, north of Weaverville and east of the Pacific Ocean. Characterized by steep summit slopes, glacial cirques, and pristine high-mountain lakes, this range provides year-round opportunities for backcountry hiking, peak scrambling, and multi-day trail journeys. Key access points start from trailheads on Highway 3, which traces the range’s southern and eastern flanks, and from smaller routes near Hayfork and Trinity Lake. Notable peaks include Mt. Dyer (3,030m), Mt. Drake, and Gibney Stream basin, while routes often ascend via rugged passes, forested valleys, or glacially-formed basins. Trails are typically remote and require navigation skills; camping is permitted in designated areas and on established trail systems. Nearby towns such as Weaverville, Trinity Center, and Hayfork serve as gateways for supplies and guide services. Whether you're seeking summit crossings, alpine lake swims, or isolated overnight trips, the Trinity Alps reward those prepared for variable weather and high-elevation travel.

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