Facility · California ·
Managed by the USDA Forest Service
San Bernardino National Forest (NF) · Open Access
Baldy Mesa OHV Road 3N21 runs from the Baldy Mesa (Trestles) OHV Staging Area to the Desert Front OHV Road 3N24 which heads west to Baldy Mesa in the west Cajon valley.
Important Note: 3N21 south towards State Highway 138 from the staging area is open to street-legal vehicles only, all haul vehicles must transport non-street legal vehicles to the staging area.
All roads heading east from the staging area are restricted to street legal vehicles - non-street legal vehicles can only travel approx 2.2 miles north to 3N24, then west on 3N24.
When in doubt, call ahead to the local Ranger Station.
This route is rated "Green Circle" easiest
34.33310, -117.47813 · 34°19'59.1"N 117°28'41.3"W
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | — | — | — | — | — | — | — | — | — | — | — | — |
| Low °F | — | — | — | — | — | — | — | — | — | — | — | — |
| Precip in | 2.4 | 2.5 | 1.4 | 0.8 | 0.2 | 0.1 | 0.2 | 0.1 | 0.2 | 0.6 | 0.6 | 2.0 |
1991–2020 averages from the nearest NOAA station, 8.3 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
Recreation.gov last updated this record on 2026-02-25.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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