Cucamonga Wilderness
Cucamonga Wilderness is a 13,007-acre wilderness area in San Bernardino County, California. It rises from about 4,249 to 8,961 ft. The nearest town is Lytle Creek, 3 miles away in a straight line.
Cucamonga Wilderness map
Cucamonga Wilderness boundary from USGS PAD-US or the managing agency, simplified for display. Not for navigation or legal boundaries.
Fire restrictions
Fire restriction orders for this unit are not tracked here yet. Restrictions change with the season, so check the current orders before any campfire, stove or target shooting.
Common questions
- Camping in Cucamonga Wilderness is limited to 21 days.
- The maximum group size at Cucamonga Wilderness is 12.
- Campfires are prohibited.
- Lytle Creek, CA is the nearest town, 3 miles in a straight line from the boundary (not a driving distance).
- The highest ground in Cucamonga Wilderness is about 8,961 ft, and its lowest about 4,249 ft (USGS 3DEP elevation model). Its highest named summit is Telegraph Peak, about 8,961 ft.
Who manages Cucamonga Wilderness
| Agency | Acres | Permit | Group size | Stay limit | Office |
|---|---|---|---|---|---|
| Forest Service | 13,007 | Not on record | 12 | 21 days | San Gabriel Mountains National Monument Office |
Getting to Cucamonga Wilderness
- Lytle Creek, CA is the nearest town, 3 miles in a straight line from the boundary (not a driving distance). (US Census places, accessed 2026-09-29)
Trailheads at Cucamonga Wilderness
- Icehouse Trailhead (0.33 mi outside the boundary, 4,998 ft), at 34.2500, -117.6364
- San Antonio Falls Trailhead (0.39 mi outside the boundary, 6,250 ft), at 34.2661, -117.6253
- Baldy Bowl Trail (0.64 mi outside the boundary, 6,627 ft), at 34.2681, -117.6295 (mapped on OpenStreetMap)
- Sunset Peak Trailhead (0.73 mi outside the boundary, 4,535 ft), at 34.2281, -117.6706 (mapped on OpenStreetMap)
Trailhead locations: Forest Service recreation sites layer , accessed 2026-09-29. Elevations from USGS 3DEP.
Trailheads mapped on OpenStreetMap: © OpenStreetMap contributors, available under the Open Database License , accessed 2026-09-29. The extract used here, with distances from the boundary: osm-trailheads-ca.json. Where an agency layer lists the same trailhead, the agency's point is shown instead.
Named summits, canyons, and springs in Cucamonga Wilderness
- Telegraph Peak summit
- Cucamonga Peak summit
- Ontario Peak summit
- Cherry Canyon canyon
- Delker Canyon canyon
- Columbine Spring spring
Features whose official location is inside the boundary, from the USGS Geographic Names Information System, accessed 2026-09-29. Summit elevations measured on the USGS 3DEP elevation model, which can read a few feet under a surveyed summit height.
Public lands next to Cucamonga Wilderness
- National forest Most of Cucamonga Wilderness lies inside San Bernardino National Forest.
- National forestCucamonga Wilderness borders Angeles National Forest.
- Wilderness areaSheep Mountain Wilderness is 0.9 miles away, straight line between the two boundaries.
Measured between the units' boundaries as mapped in USGS PAD-US. Distances are straight line, not driving.
Other wilderness areas in California
- https://wilderness.net/visit-wilderness/?ID=144 (accessed 2026-09-29)
- https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1/TIFF/current/n35w118/USGS_1_n35w118.tif (accessed 2026-09-29)
- https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames_CA_Text.zip (accessed 2026-09-29)
- https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2025_Gazetteer/2025_gaz_place_06.txt (accessed 2026-09-29)
- https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_InfraRecreationSites_01/MapServer/0 (accessed 2026-09-29)
- https://www.openstreetmap.org/copyright (accessed 2026-09-29)