Greenbrier State Park RV & Campground Guide


In the heart of the Appalachian Mountains, Greenbrier State Park is a multi-use park that allows guests to try many outdoor activities. Swim in the lake, go canoeing, try boating or fishing. The visitor center is open year-round, and hiking trails wind through the park (including the Appalachian Trail). 

Weather at the park is on the cooler side - the average high in July is just 85°F. Winters can be cold, with a January average low of 21°F. The park gets a good amount of precipitation...between 7-12 days a month, with May being the rainiest month of the year.

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Spring 28-71 F
Summer 58-85 F
Fall 32-77 F
Winter 21-42 F
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RV Resorts & Campsites in Greenbrier State Park

Camping is available at 165 sites in the park, some with electric hookups. There are also hot showers available at the campground. If you choose to rent an RV, consider renting with RVshare. Each rental vehicle comes with nationwide insurance coverage, 24/7 roadside assistance, and a dedicated team that will work to make sure you have the perfect RV for your travel plans and unique needs.   

There are also several nearby campgrounds where you can stay while you visit the park:

Yogi Bear’s Jellystone Park

Jellystone Park near Williamsport is close to Antietam National Battlefield, and the Appalachian Trail. Let the kids splash in the Water Zone or try the ninja course, mini golf, jumping pillow, or laser tag. 

  • Water hookup: yes

  • Electrical hookup: yes 

  • Sewer hookup: yes

  • Wi-Fi: yes

  • Pet friendly: yes

  • Other amenities: waterslides, mini golf, laser tag, restaurant

Brunswick Family Campground

Brunswick Family Campground is in a secluded area between the Potomac River and the C&O Canal National Historical Park. Guests can camp in shady spots along the river and enjoy beautiful views of Short Hill Mountain and the Potomac, and watch for great blue herons and eagles.

  • Water hookup: yes

  • Electrical hookup: yes

  • Sewer hookup: yes

  • Wi-Fi: yes

  • Pet friendly: yes

  • Other amenities: showers, playground, trails, camp store, dump station

RV Rentals Near Greenbrier State Park

Nearby RV Rentals


What to Do at
Greenbrier State Park

Inside Greenbrier State Park

There are a number of things to do at Greenbrier State Park.

Hiking: Eleven miles of trails snake through a variety of habitats in the park, and allow hikers to get an idea of the area’s geologic history as well. Most of the trails are moderate to strenuous, so be ready for a workout! Part of the Appalachian Trail also goes through the park, so you can hike that as well. 

Swimming: There is a swimming area of the lake, and lifeguards are on duty during the summer.

Boating: You can bring your own boat (electric trolling motors only) or rent a rowboat or paddleboat at the lake.

Fishing: The lake is stocked with trout, largemouth bass, and bluegill. Anglers 16 and older are required to have a state fishing license.

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How to Get to
Greenbrier State Park

From the east: Take I-70 west to exit 35. Turn left onto Rt. 66. Go straight to the stoplight at the intersection of Rt. 40. Turn left onto Rt. 40 east. Follow for two miles and the park is on the right.

From the west: Take I-70 east to exit 35. Bear right onto Rt. 66 (follow signs). Go straight to the stoplight at the intersection of Rt. 40. Turn left onto Rt. 40 east. Follow for two miles and the park is on the right.

The address for the park is 21843 National Pike, Boonsboro, MD.

Entering Greenbrier State Park

Entrance fees for the park are as follows:

Memorial Day Weekend - Labor Day: $3 per person/weekdays; $5 per person/weekends and holidays

May and Sept Weekends: $3 per person

Out of state residents: Add $2 to all fees

What better way to make memories that last a lifetime than by heading out on a road trip! Renting an RV with RVshare takes a lot of stress off of you and makes the trip easier to plan. Whether you choose to rent an RV near your home and drive, or fly into Maryland and rent an RV, you’re sure to have a trip you won’t soon forget! We would love to see pictures of your travels - be sure to send us photos of your trip to [email protected] and tag us on social media. Your memories could be featured on our blog, Facebook, Instagram or Twitter page!

Frequently Asked Questions About Greenbrier State Park

What is the climate of Greenbrier State Park?

The climate of Greenbrier State Park is humid continental, with warm summers and cold winters. The park experiences four distinct seasons, and precipitation is distributed evenly throughout the year. Snowfall is regular in the winter.

What is the best time of year to visit Greenbrier State Park?

The best time of year to visit Greenbrier State Park is during the summer when the weather is warm and the days are long. However, the park is open year-round, and each season has its own unique beauty.

Do you have to reserve a camping spot at Greenbrier State Park and what is the cost?

You must reserve a camping spot at Greenbrier State Park in advance. The cost is $22 per night for Maryland residents and $27 per night for non-residents. There is a $5 reservation fee for all campsites.

Are pets allowed at Greenbrier State Park?

Yes, pets are allowed at Greenbrier State Park, but they must be leashed at all times. Additionally, pets are forbidden in park buildings and on the beach. There is a $3 per day fee for each pet.

Are there designated RV camping spots in Greenbrier State Park?

Yes, there are approximately 30 designated RV camping spots in Greenbrier State Park. These sites have water and electrical hookups. Early reservation is recommended as these spots fill up quickly.