Gambrill State Park - United States
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About Gambrill State Park
RV quick facts for Gambrill State Park
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Best time to visit Gambrill State Park
Late spring through early fall, roughly May to October, is the best window for RV travel to Gambrill State Park, when the campground is open and daytime highs are comfortable for hiking and biking. Early October is a highlight for fall foliage across the Catoctin ridge, and shoulder months of April and November bring quieter trails but cooler nights and the risk of frost. Summer weekends can fill quickly, so reservations are recommended. Winter visits are limited to day-use only, as the campground closes during the cold season.
Campground closed, day-use only
Campground closed, day-use only
Campground closed, day-use only
Campground typically opens for the season
Mild spring weather, trails in bloom
Peak-season weekends fill quickly
Hot and humid, thunderstorms common
Peak summer, reserve ahead
Comfortable shoulder-season travel
Fall foliage peak on Catoctin Mountain
Campground typically closes late in the month
Campground closed, day-use only
Things to do at Gambrill State Park
- High Knob Overlooks EasyRV parking available
The High Knob area features three stone scenic overlooks built by the Civilian Conservation Corps, offering panoramic views west across the Middletown Valley. Paved parking and nearby picnic pavilions make this the most accessible destination for RV visitors. The overlooks sit near the top of Gambrill Park Road at roughly 1,600 feet of elevation.
- Catoctin Trail StrenuousRV parking available
The Catoctin Trail is a long-distance backcountry route that begins at Gambrill State Park and traverses the Catoctin ridge north into Cunningham Falls State Park and Catoctin Mountain Park. The route runs roughly 27 miles end to end, and day hikers can sample short sections from the Gambrill trailheads without committing to the full distance. nps.gov/articles/000/exploring-cunningham-falls-state-park.htm
- Black Locust Trail (Mountain Biking) ModerateRV parking available
The Black Locust Trail is a roughly 7-mile loop that is the centerpiece of Gambrill's mountain biking network, popular with riders from across the mid-Atlantic. The route combines rocky technical sections with flowing singletrack through hardwood forest. Trailhead parking near the High Knob area can accommodate vehicles with bike racks.
- Yellow Poplar Trail EasyRV parking available
The Yellow Poplar Trail is a shorter hiking-only loop that winds through mature forest near the High Knob picnic areas. It offers a quieter, foot-traffic-only alternative to the shared-use mountain biking trails. The path is well-marked and a good option for a post-dinner walk from the campground area.
- Rock Run Area Picnicking and FishingRV parking available
The Rock Run Area at the base of the mountain holds the family campground, a picnic shelter, and Rock Run itself, a small mountain stream. Maryland fishing regulations apply, and a state license is required. This lower-elevation area is easier to reach with larger RVs than the High Knob summit.
- Tea Room and Picnic Pavilions at High Knob EasyRV parking available
The historic stone Tea Room at High Knob is a CCC-era structure available for group rental, set among picnic pavilions with views toward the Middletown Valley. The site is a popular spot for day-use gatherings and quiet overlook visits. Parking is paved and suitable for most tow vehicles and motorhomes.
- Monocacy National Battlefield Day Trip EasyRV parking available
Monocacy National Battlefield sits just south of Frederick and preserves the site of an 1864 Civil War engagement, with driving tour stops and walking trails. The battlefield offers auto-accessible tour stops with parking suitable for most tow vehicles and smaller motorhomes, making it a convenient day trip from Gambrill. nps.gov/mono/
Top Hosts near MD, United States
I recommend this RV, driving this rig was simple and comfortable. The layout and design of the interior space was perfect and roomy. The dining set makes into a very nice long bed. I will rent this one again.
Deborah F. - Aug 2025
This was our first time renting an RV. Bert and Spencer made the process seamless and easy. They were extremely flexible with pick-up and drop-off, went over the full operation of the RV, and made us feel comfortable and confident. The description, booking booking process, pick-up and return went perfectly. We will definitely be renting this RV again.
Gary G. - Aug 2024
Wendy’s trailer was just as advertised and the perfect size for four people over a rainy Memorial Day weekend.
Jason H. - May 2026
Wendy's RV was perfect for the needs of our family of 5! This was our fist ti.e ever renting a camper and she could not have been more helpful!
Derek J. - Jul 2025
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RV Rentals Gambrill State Park
Gambrill State Park, MD, United States
How to get to Gambrill State Park
Gambrill State Park is reached via Gambrill Park Road off U.S. Route 40 (Baltimore National Pike), about 6 miles northwest of downtown Frederick, Maryland. Frederick is roughly a 50-minute drive from Washington, D.C. and about 1 hour 15 minutes from Baltimore via I-70. RV drivers should note that the climb up Catoctin Mountain includes steep grades and tight switchbacks on Gambrill Park Road, so larger rigs should travel slowly and use lower gears. The nearest major airport for fly-and-rent travelers is Washington Dulles International (IAD), approximately 45 miles southeast, with Baltimore/Washington International (BWI) a similar distance to the east.
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