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Observatory Campground
FSU.S. Forest Service — Palomar Mountain · California · Cleveland National Forest
| Agency | FSU.S. Forest Service |
|---|---|
| Area | Cleveland National Forest |
| Location | Palomar Mountain · California · Cleveland National Forest · 33.34167, -116.87861 · Map |
| Sites | 28 public sites counted from the federal listing — 28 standard nonelectric |
| Getting a site | Reservable — the federal listing marks this campground as taking reservations. Some sites or seasons may still be first-come; the listing’s own words are below. |
| Hookups | Electric at 0 of 28 sites Water hookups at 0 of 28 sites Sewer hookups at 0 of 28 sites Full hookups (all three at one site) at 0 of 28 sites Counted site by site from affirmative reports in the federal record. A site with no report is not counted either way. |
| Max RV length | Longest reported site fits 35 ft Sites that fit at least — 25 ft: 4 sites · 30 ft: 4 sites · 35 ft: 3 sites · 40 ft: 0 sites |
| Months open | Not in federal data — the federal listing does not publish a season for this campground. Check the official description below or Recreation.gov. |
| Fees | Not reported — the federal listing carries no fee description for this campground. |
| Check-in / out | In 2:00 PM · Out 12:00 PM (most common in the listing) |
| Pets | Allowed at 28 sites, as reported |
| Accessible sites | 3 marked accessible in the listing |
| Accessibility | N |
| Phone | 760-788-0250 |
Check availability & book on Recreation.gov →
This site takes no reservations and shows no live availability. Source: Recreation.gov (RIDB export pulled November 5, 2026); this listing was last updated in the federal record on 2026-02-25.
From the official listing
Overview Science buffs and families are drawn to Observatory Campground for its proximity to the Palomar Observatory, a world-class center of astronomy research operated by the California Institute of Technology. Just two miles from the observatory, the campground provides visitors with a unique learning experience in the great outdoors. The facility offers a variety of amenities for both tent and RV camping. Hiking, biking and picnicking can be found nearby. Recreation An exciting amateur astronomy project, Explore the Stars, occurs at the campground on several weekends each summer. A group of amateur astronomers from all across Southern California shares the beauty and awe of the night sky to more than a hundred non-astronomers at the campground. Visitors can also walk a 2.25-mile trail to the observatory itself.
Day hiking, biking, picnicking and scenic driving are available in the area. The campground makes a good base camp for visiting Palomar Mountain State Park and exploring the surrounding forest. Facilities The campground is organized around one large loop with parking spurs for each campsite. Several sites are equipped with level cement pads to allow campers to set up their telescopes. The sites can accommodate vehicles up to 32 feet in length.
Drinking water, coin-operated showers (peak season only), grills, trash cans, campfire rings, picnic tables, a flush toilet (peak season only) and two vault toilets are provided. Natural Features The campground sits at an elevation of 4,800 feet in the Palomar Mountains of Southern California. The site is forested with pine and oak trees, though several sites have been cleared to allow campers a wide view of the night sky. Nearby Attractions The campground is adjacent to Palomar Mountain State Park and under a two-hour drive from San Diego, California. A general store with basic necessities is down the road.
Directions, from the listing
The closest address to the campground is 35899 Canfield Road, Palomar Mountain, California. The campground is about 2 miles north of this address along Canfield Road.
From Los Angeles, California, drive south on I-15 to State Highway 76. Go east on 76 for approximately 20 miles and turn left onto South Grade Road (County Road S6). Follow to the top of Palomar Mountain. Once at the top, turn left to continue on South Grade Road/Canfield Road. Continue for approximately 2.5 miles and turn right into the campground.
Nearest federal campgrounds
0 mi straight-line · Palomar Mountain CaliforniaFSU.S. Forest ServiceCrestline Group Campground
2 mi straight-line · CaliforniaFSU.S. Forest ServiceOak Grove Campground
6 mi straight-line · Oak Grove CaliforniaFSU.S. Forest ServiceDripping Springs Campground (Ca)
10 mi straight-line · Aguanga CaliforniaFSU.S. Forest ServiceIndian Flats Campground
13 mi straight-line · California
Trip Card — Observatory Campground
Palomar Mountain · California · Cleveland National Forest
| Agency | FS · U.S. Forest Service |
|---|---|
| Location | Palomar Mountain · California · Cleveland National Forest |
| Fees | Not reported in the federal data |
| Getting a site | Reservable |
| Hookups | None reported |
| Max RV | Up to 35 ft |
| Months open | Not in federal data |
| Sites | 28 sites |
Book: recreation.gov/camping/campgrounds/233300 · Source: Recreation.gov, pulled November 5, 2026. Facility details come from federal recreation data and may be out of date — this site takes no reservations and shows no live availability; confirm details and book through Recreation.gov or the managing agency.