Crestline Group Campground
Cleveland National Forest — hiking
Location: Palomar Mountain, CA, CA
Price: From $75 per night
Rating: 4 out of 5 (0 reviews)
Season: May through October
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.
Cell coverage (FCC estimate): strong signal. Actual signal may vary in remote areas. Best carrier: T-Mobile. Verizon 4G: 100%. AT&T 4G: 100%. T-Mobile 4G: 100%.
Amenities: Fire Rings, Picnic Tables, Vault Toilets, Electric Hookups
Availability alerts: Set a free cancellation alert at camperwatch.org/campground/crestline-group-campground to be notified when sites open up.
Crestline Group Campground is a wooded facility at 5,390 feet on Palomar Mountain, ideal for large groups of up to 50 people and convenient for visitors to the Palomar Observatory. Activities include biking, hiking, and interpretive programs.
Wildlife alert: American Black Bear, Bobcat, Great Horned Owl, Northern Saw-whet Owl, Western Screech-Owl, and San Diegan Legless Lizard present in the area.
Insider tips for Crestline Group Campground: Book early—this is a federal campground with high demand. Plan nighttime activities to avoid daytime insect activity, which multiple reviewers noted as problematic. Bring insect netting or bug spray; multiple campers reported significant gnat and biting insect issues.
Skip Crestline Group Campground if: You require full hookups—no hookups available at most sites.. You are sensitive to insects—multiple reviews report heavy gnat activity and biting insects causing visible welts..
Best time to visit Crestline Group Campground: May-October — Official operating season per verified data..
Nearby campgrounds: Observatory Campground (Palomar Mountain, CA), Oak Grove Campground (Oak Grove, CA), Dripping Springs Campground (Ca) (Aguanga, CA), Ribbonwood Equestrian Cg (IDYLLWILD, CA).
Cell Phone Coverage at Crestline Group Campground
Cell signal at Crestline Group Campground (Palomar Mountain, CA): strong overall signal based on FCC broadband data. Best carrier: T-Mobile.
- Verizon 4G LTE: 100% coverage
- AT&T 4G LTE: 100% coverage · AT&T 5G: 100%
- T-Mobile 4G LTE: 100% coverage · T-Mobile 5G: 100%
Coverage data source: FCC Broadband Data Collection (BDC). Actual signal may vary due to terrain, tree cover, and distance from towers. Camper reports are more reliable than coverage maps in remote areas.
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.
Verified facts
RIDB / Recreation.gov official databaseAmenities
RIDB /facilities /campsites · owner-verifiedStraight talk
CamperWatch intel · curated from camper reportsKnown issues, each with the workaround. Read before you book.
Insider tips & when to go
CamperWatch intel · hand-curated entryBook early
this is a federal campground with high demand.
Plan nighttime activities to avoid daytime insect activity, which multiple reviewers noted as problematic.
Bring insect netting or bug spray; multiple campers reported significant gnat and biting insect issues.
Official operating season per verified data.
Things to do nearby
RIDB /activities /recareas + intelConditions today
LiveCell signal
FCC BDC · quarterly datasetFCC maps are theoretical — camper reports confirm signal. Best carrier: T-Mobile.
Wildlife nearby
iNaturalist · research-grade · 8 kmLocation
Leaflet · OpenStreetMap tiles
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.
Campground entrance
Google Maps APICommunity
#community · posts, photos & Q&A · AI-moderated (Claude Vision)Pro tips
- Book on recreation.gov exactly 6 months ahead at 10am ET — Cleveland National Forest fills fast in peak season.
- Check current road conditions at Cleveland National Forest before arrival — seasonal closures common.
Frequently asked questions
RIDB facts + intel · FAQPage schema, speakableHow much does Crestline Group Campground cost per night?+
What season is Crestline Group Campground open?+
Does Crestline Group Campground have hookups?+
What is the maximum RV length at Crestline Group Campground?+
How do I make reservations at Crestline Group Campground?+
What is the cell service like at Crestline Group Campground?+
What season is Crestline Group Campground open, and what are check-in times?+
●Data sources on this page
CamperWatch never fabricates data. Where data is unavailable, it is not shown.
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