California trails · John Muir Trail
A 6.2-mile out-and-back in California, with 2,961 ft of climbing. Reaches Clark Point and other summit/viewpoint/waterfall destinations.
The climbing is spread fairly evenly along the route. It climbs almost continuously, with little descent to recover on.
Happy Isles Trailhead. 37.73284, -119.55779 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:00 a.m., the sun rises at 6:27 a.m. and sets at 7:29 p.m., and the last usable light fades about 7:55 p.m. (PDT) — 13 h 02 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 12.5-mile round trip takes roughly 7 h 35 min, so leaving the trailhead at sunrise puts you back around 2:01 p.m. — 5 h 27 min before sunset.