Campsite Sniper
California · Recreation.gov

Crestline Group Campground

33.3126° N / 116.8636° W · Data Nov 2 2026, checked hourly
Next open date Nov 10Next open weekend Nov 132 detected openings this week1 monitored site

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Every site at Crestline Group Campground, colored by availability across the tracked window. Tap a site for its calendar.
Crestline Group Campground

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Booking reality
Campsite Sniper detected 2 site openings here in the last 7 days
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01 · Detected Opening History · the openings record · file CS-231949

When Crestline Group Campground reopens

Crestline Group Campground's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 7 days
2
Openings · last 30 days
5
Openings · last 90 days
10

Only 10 openings in the last 90 days: not enough recent activity for a reliable pattern. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.

02 · Availability Outlook · Nov 2 – Nov 30, 2026 · of 1 monitored site

Of the 29 tracked site-nights (Nov 2 – Nov 30, 2026): 18 open for online reservation · 5 reserved · 6 on sites not offered for online reservation (first-come, first-served or administrative).

Where the open windows are

37.9% of tracked site-nights are not currently open for online reservation. 18 of 29 remain open; here is where they are.

Load status

Nov 2 – Nov 30, 2026
Not open online37.9%
Open site-nights18 / 29
Reserved (of online inventory)5 / 23
Weekday openings12
Weekend openings6

Of the open site-nights on mapped sites, 12 fall on weekdays and 6 on weekends (Fri–Sun).

Open dates by month

Nov 2026 – Nov 2026
010203018NOVSOLID = OPEN SITE-NIGHTS · DASHED OUTLINE = TOTAL BOOKABLE

November holds the most room. 18 of 29 site-nights are still open there.

Holiday windows

Sites open per night · of 1 site
WindowNightSites openStatus
ThanksgivingTHU Nov 261Open
FRI Nov 271Open
SAT Nov 281Open

Thanksgiving: 1 site is available for the complete three-night stay.

Availability

Most open site-nights · tracked window
SiteOpen site-nights
1  18

This site currently has 18 site-nights available.

Next windows

As of Nov 2, 2026 snapshot
Next open dateTue · Nov 10
Next open weekendFri · Nov 13

The next bookable night is Nov 10; the first open weekend starts Nov 13. Campsite Sniper can watch later dates for you.

Stays and site detail

18 open site-nights across 1 site at Crestline Group Campground, from the same hourly snapshot as everything above.

Multi-night stays. 3 2-night, 3 3-night, 1 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Nov 10 at site 1.

All 1 site with current availability
SiteMax RVHookupsOpen site-nightsLongest runDates
1Not recordedNone189 nightsNov 10, Nov 11, Nov 12, Nov 13, Nov 15, Nov 16, Nov 17, Nov 18, Nov 19, Nov 22, Nov 23, Nov 24 +6 more

About Crestline Group Campground

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.

1 monitored siteNo hookups1 shadedPets OKMax party 50

Getting there

From San Diego, California, follow U.S. Highway 15 north to State Highway 76. Proceed east to County Road S6. Take S6 north to the top of Palomar Mountain. Group campground is at the junction of County Roads S6 and S7.

Ramona, CA
BikingCampingHikingInterpretive Programs

View on Recreation.gov ↗   Get directions ↗

FAQ

How do I get a reservation at Crestline Group Campground?

Reservations for Crestline Group Campground are made through Recreation.gov. 18 of 29 tracked site-nights are currently open (62.1%). Campsite Sniper has also detected 10 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.

Does Campsite Sniper book this campground for me?

No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.

How current is this availability data?

Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Nov 2, 2026 18:20 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.

How often do new openings appear at Crestline Group Campground?

Campsite Sniper detected 2 site-date openings at Crestline Group Campground in the last 7 days, 5 over 30 days and 10 over the last 90.

Can I get a multi-night stay at Crestline Group Campground?

3 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Nov 10 at site 1. Confirm and book on Recreation.gov.

Which month has the most availability at Crestline Group Campground?

November 2026, with 18 open site-nights in the current snapshot of 29.

When is the next open date at Crestline Group Campground?

As of the Nov 2, 2026 snapshot: the next open date is Tue, Nov 10 and the next open weekend starts Fri, Nov 13. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.

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