California trails · Isberg
A 11.9-mile out-and-back in California, with 3,566 ft of climbing. Reaches The Niche 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.
Isberg access. 37.54305, -119.26776 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:59 a.m., the sun rises at 6:26 a.m. and sets at 7:27 p.m., and the last usable light fades about 7:54 p.m. (PDT) — 13 h 01 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 23.8-mile round trip takes roughly 12 h 23 min, so leaving the trailhead at sunrise puts you back around 6:49 p.m. — 39 min before sunset.