California trails · Isberg
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.
Elevation profile
The climbing is spread fairly evenly along the route. It climbs almost continuously, with little descent to recover on.
3-D terrain
USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Reaches
- The Niche (pass)
- Isberg Pass (pass)
- Isberg Lakes (lake)
- Cora Lakes (lake)
- Sadler Lake (lake)
Getting there
Isberg access. About 2 h 59 min drive (87 mi, 13 of them unpaved) from Clovis. 37.54305, -119.26776 · directions
Daylight at the trailhead
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:37 a.m., the sun rises at 7:04 a.m. and sets at 6:21 p.m., and the last usable light fades about 6:47 p.m. (PDT) — 11 h 17 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 23.8-mile round trip works out to roughly 12 h 23 min of walking — more than a single day of daylight here, so plan it as an overnight or hike it in sections.
Loop options
- Isberg + Cora Spur + Chetwood Cabin — 9.1 mi loop, 878 ft gain
Nearby trails
- Red Peak Pass — 11.2 mi
- John Muir — 11.6 mi
- Alger Lakes — 16.0 mi
- Minnow Creek — 18.9 mi