campgrounds.fyiIndependent · federal campgrounds · no paid placements
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USFSSan Bernardino National Forest · California

Pinyon Flat Campground

Pinyon Flat is an 18-site first-come first-served campground located within the Santa Rosa and San Jacinto Mountains National Monument.
Sites0all reservable
Elev.4,012ft
Comf.Jan-Dec10 months
Max rigtents
Electricnonesites
From San Diego2h05real road time
The honest read
Synthesized from
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27

At 4,012 ft, Pinyon Flat Campground has a 10-month comfortable window (Jan-Dec). Winter nights average around 41°F, so the shoulder seasons turn cold fast. Within about 4 miles: 4 peaks.

The campground at a glance

01 · CHARACTER
QuietCoolRoomyShadeRV-fitReserv.

Reads strongest on cool nights and quiet. Softest on quiet.

Six axes, each scored relative to every other federal campground in the region: quiet (miles to a major road), cool (elevation), roomy (average site spacing), shade, RV-fit (longest rig), and how reservable it is. All six come from data, nothing hand-tuned.

When to go

02 · CLIMATE
JFMAMJJASOND
avg highavg lowfrost-freedriest · Jun
Jan-Dec
Comfortable window: nights stay above 35°F, days below 90°F.
88%
Of summer weekend-days are dry.
Mar 11
Last spring frost; first fall frost Dec 15.
70°F
Average July low. Bring a fleece.

Getting there

03 · ACCESS
01
San Diego
94 mi
2h05
02
Los Angeles
140 mi
3h07
03
Fresno
374 mi
8h19
04
San Francisco
575 mi
12h47
05
Sacramento
579 mi
12h52
By drive time
San Diego · 2h05Los Angeles · 3h07Fresno · 8h19San Francisco · 12h47Sacramento · 12h52Camp

Routed road time (OSRM). Nearest major highway 0.1 mi away.

What's within four miles

05 · TRAILS · PEAKS · WATER

Trails & Peaks

Trail segments
27
Peaks
4
Viewpoints
3

Water & Access

To nearest major road
0.1 mi
Method

We synthesize public data layers: RIDB and Recreation.gov facility and site records, Open-Meteo climate normals, OpenStreetMap roads, trails, and water, OSRM drive times, and USGS elevation. We take no bookings, no ads, and no paid placements. Independence is the entire point.

Check availability on Recreation.gov →