Grinnell Mountain
About
Grinnell Mountain is a summit of 10,283 feet in the San Gorgonio Wilderness, part of the Front Country Ranger District of San Bernardino National Forest in California. The nearest town is Big Bear City, about 9 miles away. The peak sits within designated wilderness, so plan on a trip that stays on the forest's backcountry routes. Two trails start close by: Lodgepole Trail and Sky High, each about a mile away. Skyline campground is about 2.4 miles off, and Wild Horse Equestrian Family campground is about 2.6 miles away.
Summit Facts
Summit elevation
10,283 ft
Elevation from USGS 3D Elevation Program terrain data (about 10 m resolution).
Location
Grinnell Mountain
California
Name and location: U.S. Geological Survey, Geographic Names Information System (GNIS). Elevation: USGS 3D Elevation Program. View the GNIS record.
Facts about this place
Where it is
- San Gorgonio Wilderness · Wilderness
- Front Country Ranger District · Ranger district
- San Bernardino National Forest · National forest
- Nearest town
- Big Bear City, California · 8.9 mi
Source: Wilderness.net boundaries; USFS EDW boundaries; USGS GNIS populated places
Conditions
Active alerts for Front Country Ranger District as of Oct 9, 2026:
Applewhite Picnic Area Closure
caution · posted Aug 24, 2026
caution · posted Aug 24, 2026
information · posted Aug 24, 2026
Source: USFS forest alerts
Nearby
- Lodgepole TrailHiking1.2 mi
- Sky HighHiking1.2 mi
- SkylineCamping2.4 mi
- Wild Horse Equestrian FamilyCamping2.6 mi
- Oso GroupSaltwater fishing4.6 mi
- San GorgonioSaltwater fishing4.7 mi
- Right SideRock climbing6.2 mi
- Left SideRock climbing6.2 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)