Formerly known as Sanidumps.
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RV Dump Stations

Gambrill State Park

4.7(1338 reviews)
8602 Gambrill Park Road, Middletown, Maryland, 21702, United States

About

Water is available at the RV dump station.

Amenities & Services

Water

Rinse Water Available (Non-Potable)

Reviews

4.7

Based on 1,338 reviews

PB
Oct 25, 2025

Great park with nice trails for every level of hiker. Overlooks were nice and right by parking so you don't have to walk far to see them if you don't want to really hike. Lots of picnic tables and grills to cookout. Green trail was nice but had some steep inclines and declines, definitely not dog friendly. Area was nice and quiet and a good escape for the day. It took us about 2 1/2 hours to do the green trail loop. White trail is stated good for families and is only a mile. Few players areas for kids including some swings and a seesaw.

J
Oct 16, 2025

There are multiple parking lot areas. Don't just stop at the camping area, drive up the mountain a bit, find the higher lots and see the awesome sights.

JC
Aug 31, 2025

Took my dogs here recently and they had a blast. So many easy to follow hiking trails for them to explore. The overlooks are beautiful. Really worth taking your dogs there for some much need exercise and fun time. Great place to release some stress and enjoy the out doors.

JJ
May 11, 2025

Gambrill State Park is an absolute gem nestled in the mountains just outside Frederick, Maryland. From the moment you drive up the winding road to the top, you’re treated to breathtaking scenic views that make you feel worlds away from the hustle and bustle of daily life. Whether you’re a seasoned hiker or just looking for a peaceful stroll, the park offers an excellent variety of trails for all skill levels. The well-marked paths wind through lush forests, rocky overlooks, and quiet, shaded areas that are perfect for soaking in nature. The scenic overlooks—especially the one at High Knob—are a must-see. On a clear day, the panoramic views stretch for miles, offering some of the most stunning vistas in the region. It’s a fantastic spot for photography, a picnic, or just sitting quietly with your thoughts. The park is beautifully maintained, with clean restrooms, picnic areas, and well-kept facilities. It’s also a great place for families, with plenty of space for kids to explore and enjoy the outdoors. We loved the peaceful atmosphere and the chance to reconnect with nature. Highly recommend for a weekend getaway or a day trip—Gambrill State Park is a true Maryland treasure!

DR
Mar 11, 2025

We recently hiked Black Locust Trail (3 miles) at Gambrill State Park with our kids (8 and 6). The trail is rated difficult, and I’d say that’s accurate—especially for younger kids—but it was a great adventure! Scenic Views – The overlooks were stunning, and the forest was beautiful. Good Challenge – It pushed the kids but in a rewarding way. They felt proud of finishing! Well-Marked Trail – Clear blazes helped us stay on track. Rocky and Steep in Sections, Not Stroller-Friendly but definitely a hike where kids need to walk on their own. A great hike if your kids are up for a challenge! If they’re used to easier trails, I’d recommend trying a shorter loop first. But for families who love hiking, this was a fun and rewarding experience.

Includes reviews from Google

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