Crestline Group Campground
October 2026
About
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.
Amenities
Is Crestline Group Campground fully booked?
A campground showing no availability is almost never full for good. People cancel — plans change, weather turns, someone books three weekends and keeps one — and the site goes straight back into the booking system, usually without warning and often at odd hours. The reason sold-out campgrounds feel impossible is not that sites never free up; it is that nobody is watching at the moment they do.
CampHawk watches Crestline Group Campground in CA for you. We recheck it every 15 seconds, around the clock, and the moment a site opens we send a text, an email and a push notification — and on Recreation.gov we can put the site straight into your cart, so it is held while you get to your phone.
Searching is free and needs no account — the calendar above is live right now. Watching Crestline Group Campground for cancellations is the paid part.