Camp Greentop
Federal campground in Catoctin Mountain Park
Location: Thurmont, MD, MD
Price: From $1000 per night
Rating: 4 out of 5 (0 reviews)
Season: Memorial Day through Labor Day
Located on the National Register of Historic Places, Camp Greentop is a perfect location for organized groups to hold large events, retreats, or conferences. The camp has space for 150 people to sleep on twin beds. There are 12 cabins that sleep 10 each, one lodge that sleeps 12, and three smaller cabins.Camp Greentop will accommodate up to 150 overnight guests in a variety of cabins.
Cell coverage (FCC estimate): moderate signal. Actual signal may vary in remote areas. Best carrier: AT&T. Verizon 4G: 100%. AT&T 4G: 100%. T-Mobile 4G: 0%.
Amenities: Fire Rings, Picnic Tables, Flush Toilets, Showers, Electric Hookups, Firewood for Sale
Availability alerts: Set a free cancellation alert at camperwatch.org/campground/camp-greentop to be notified when sites open up.
Camp Greentop is an excellent facility for organized groups and retreats, with a large kitchen, lodge, and specialized programming. Google reviews highlight amazing staff, safe accommodations for special needs populations, and numerous daily activities.
Wildlife alert: Timber Rattlesnake, Eastern Hognose Snake, and Common Five-lined Skink present in the area. Also groundhogs, eastern chipmunks, and various bird species including cerulean warblers.
Insider tips for Camp Greentop: Book early — this is a federal campground with high demand Best suited for organized groups and retreats rather than individual campers Use GPS address 15001 Park Central Road, Thurmont, MD, 21788 for navigation; this is not the mailing address
Skip Camp Greentop if: Seeking full hookups — no hookups available at most sites. Planning to camp outside Memorial Day through Labor Day — seasonal operations only. Looking for a traditional private campground experience — this is a federal facility designed for group events.
Best time to visit Camp Greentop: Memorial Day through Labor Day — Campground operates seasonally during this period only; swimming pool is open during this timeframe.
Nearby campgrounds: Adirondack Shelters (Thurmont, MD), Poplar Grove Youth Group Campground (Thurmont, MD), Owens Creek Campground (Thurmont, MD), Camp Misty Mount (THURMONT , MD).
Cell Phone Coverage at Camp Greentop
Cell signal at Camp Greentop (Thurmont, MD): moderate overall signal based on FCC broadband data. Best carrier: AT&T.
- Verizon 4G LTE: 100% coverage
- AT&T 4G LTE: 100% coverage · AT&T 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.
Located on the National Register of Historic Places, Camp Greentop is a perfect location for organized groups to hold large events, retreats, or conferences. The camp has space for 150 people to sleep on twin beds. There are 12 cabins that sleep 10 each, one lodge that sleeps 12, and three smaller cabins.Camp Greentop will accommodate up to 150 overnight guests in a variety of cabins.
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
Best suited for organized groups and retreats rather than individual campers
Use GPS address 15001 Park Central Road, Thurmont, MD, 21788 for navigation; this is not the mailing address
Campground operates seasonally during this period only; swimming pool is open during this timeframe
Things to do nearby
RIDB /activities /recareas + intelConditions today
LiveCell signal
FCC BDC · quarterly datasetFCC maps are theoretical — camper reports confirm signal. Best carrier: AT&T.
Wildlife nearby
iNaturalist · research-grade · 8 kmLocation
Leaflet · OpenStreetMap tiles
Getting there →
For GPS Use Only: The street address is 15001 Park Central Road, Thurmont, MD, 21788. This is NOT a mailing address. The mailing address for Camp Greentop is: Catoctin Mountain Park, Camp Greentop, 6602 Foxville Road, Thurmont, MD 21788 (coordinates: 39° 38' 43.9908" N 77° 28' 34.2588" W) From Washington, DC: Take the George Washington Memorial Parkway north to I-495 to I-270 north 27 miles (43.5 km) to Frederick, MD. Take Route 15 for 17 miles (27 km) north to Thurmont, MD. Take Route 77 West (
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 — Catoctin Mountain Park fills fast in peak season.
- Check current road conditions at Catoctin Mountain Park before arrival — seasonal closures common.
Frequently asked questions
RIDB facts + intel · FAQPage schema, speakableHow much does Camp Greentop cost per night?+
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Does Camp Greentop have hookups?+
What is the maximum RV length at Camp Greentop?+
How do I make reservations at Camp Greentop?+
What is the cell service like at Camp Greentop?+
What season is Camp Greentop open, and what are check-in times?+
●Data sources on this page
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