Openings · last 7 days
4
Booking reality
Campsite Sniper detected 4 site openings here in the last 7 days
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 30 days
4
Openings · last 90 days
5
Only 5 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 · Sep 18 – Nov 30, 2026 · of 1 monitored site
Of the 74 tracked site-nights (Sep 18 – Nov 30, 2026): 51 open for online reservation · 19 reserved · 4 on sites not offered for online reservation (first-come, first-served or administrative).
Where the open windows are
31.1% of tracked site-nights are not currently open for online reservation. 51 of 74 remain open; here is where they are.
Load status
Sep 18 – Nov 30, 2026Not open online31.1%
Open site-nights51 / 74
Reserved (of online inventory)19 / 70
Weekday openings36
Weekend openings15
Of the open site-nights on mapped sites, 36 fall on weekdays and 15 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Nov 2026November holds the most room. 24 of 30 site-nights are still open there.
Holiday windows
Sites open per night · of 1 site| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 0 | None open |
| SUN Sep 6 | 0 | None open | |
| MON Sep 7 | 0 | None open | |
| Thanksgiving | THU Nov 26 | 1 | Open |
| FRI Nov 27 | 0 | None open | |
| SAT Nov 28 | 0 | None open |
Labor Day: no online availability on any tracked night. Thanksgiving: no site is currently available for the complete three-night stay. Friday and Saturday have no online availability; individual Thursday night remains open.
Availability
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 1 | 51 |
This site currently has 51 site-nights available.
Next windows
As of Sep 18, 2026 snapshotNext open dateSun · Sep 27
Next open weekendFri · Oct 9
The next bookable night is Sep 27; the first open weekend starts Oct 9. Campsite Sniper can watch later dates for you.
Stays and site detail
51 open site-nights across 1 site at Crestline Group Campground, from the same hourly snapshot as everything above.
Multi-night stays. 8 2-night, 7 3-night, 1 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 27 at site 1.
All 1 site with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 1 | Not recorded | None | 51 | 20 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9, Oct 11 +39 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 ↗
03 · Field Photos · roll CS-231949 · facility
Photo gallery
Roll CS-231949 · Crestline Group Campground · CA12 frames · facility
FAQ
How do I get a reservation at Crestline Group Campground?
Reservations for Crestline Group Campground are made through Recreation.gov. 51 of 74 tracked site-nights are currently open (68.9%). Campsite Sniper has also detected 5 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 Sep 18, 2026 16:19 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 4 site-date openings at Crestline Group Campground in the last 7 days, 4 over 30 days and 5 over the last 90.
Can I get a multi-night stay at Crestline Group Campground?
7 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 27 at site 1. Confirm and book on Recreation.gov.
Which month has the most availability at Crestline Group Campground?
November 2026, with 24 open site-nights in the current snapshot of 30.
When is the next open date at Crestline Group Campground?
As of the Sep 18, 2026 snapshot: the next open date is Sun, Sep 27 and the next open weekend starts Fri, Oct 9. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
Stop refreshing. Let the app watch it.
Filter
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
Watch
We run paced availability checks for Crestline Group Campground. One watch covers every matching site.
Get the ping
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.