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California
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Cleveland National Forest
2 managing-area boundaries mapped — agency alerts for them feed this page automatically.
Boundary data
What's missing
No access route mapped
We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.
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Crestline Group Campground
AI-suggested draft · review before you go
Overview Crestline Group Campground is located in a wooded area on Palomar Mountain, at approximately 5,390 feet in elevation. Many trees including Black Oak, Cedar, White Fir and Live Oak surround the site. Crestline Group Campground is a convenient place for large families, church groups and other social gatherings of up to 50 people. The facility is a popular recreation site for visitors going to the Palomar Observatory, a world-class center of astronomical research by the California Institute of Technology in North San Diego County. Hiking, biking and picnicking are available nearby. Recreation The campground makes a good base camp for visiting the Palomar Observatory Visitor Center and Palomar Mountain State Park or exploring the surrounding forest. Day hiking, backpacking, biking, picnicking and scenic driving are available in the area. Facilities The accessible site is equipped with several picnic tables in the campground and cooking area, as well as an accessible vault toilet. RVs with a maximum length of 27 feet can be accommodated. No electricity. Natural Features The campground sits at an elevation of 5,390 feet in the Palomar Mountains of Southern California. The site is forested but has plenty of open space for star gazing and playing. Nearby Attractions The campground is adjacent to Palomar Mountain State Park and less than a two-hour drive from San Diego, California.

OBSERVATORY CAMPGROUND
~4 min drive
A worthwhile stop near California.

FRY CREEK CAMPGROUND
~4 min drive
A worthwhile stop near California.
Crestline
~0 min drive
A worthwhile stop near California.
Observatory Campground - USFS
~4 min drive
A worthwhile stop near California.
Oak Knoll Campground
~4 min drive
A worthwhile stop near California.
Fry Creek Campground
~4 min drive
A worthwhile stop near California.
Fry Creek Campground
~4 min drive
A worthwhile stop near California.
Doane valley camp ground
~5 min drive
A worthwhile stop near California.
Harrison Serenity Ranch
~8 min drive
A worthwhile stop near California.
OAK GROVE CAMPGROUND
~11 min drive
A worthwhile stop near California.