California trails · Bishop Pass
A 5.6-mile out-and-back in California, with 2,185 ft of climbing. Reaches Bishop Pass and other lake/pass destinations. Managed by the U.S. Forest Service.
The climbing is spread fairly evenly along the route. It climbs almost continuously, with little descent to recover on.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
SO LAKE, BISHOP PASS, TREASURE LAKES TH — parking nearby, restroom, water. About 1 h 28 min drive (59 mi) from Mammoth Lakes. 37.16930, -118.56580 · directions
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:34 a.m., the sun rises at 7:01 a.m. and sets at 6:18 p.m., and the last usable light fades about 6:45 p.m. (PDT) — 11 h 18 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 11.2-mile round trip takes roughly 6 h 21 min, so leaving the trailhead at sunrise puts you back around 1:21 p.m. — 4 h 57 min before sunset.