Is Greenbrier State Park first-come first-served or reservation?

Greenbrier State Park accepts online reservations. We recommend booking in advance, especially during peak season (typically summer weekends). Use campsite alerts to get notified when spots become available.

Can I see photos of campsites at Greenbrier State Park before I book?

Yes! Greenbrier State Park has 12 campsite photos on Outdoorithm, contributed by campers who've stayed there. Browse real photos of individual sites to see what to expect before you reserve. You can also add your own photos after your trip to help the next family plan theirs.

What is the best time to visit Greenbrier State Park?

Greenbrier State Park is open 2026 Reservable Dates All Campsites: April 3, 2026-October 31, 2026. The best time to visit depends on your preferences—summer offers the warmest weather and most activities, while spring and fall provide fewer crowds and milder temperatures. Check current conditions before your trip.

Are there showers at Greenbrier State Park?

Yes, Greenbrier State Park has shower facilities available for campers. Check the amenities section for details on hours and any fees.

Can I have a campfire at Greenbrier State Park?

Fire policies at Greenbrier State Park: Sites have fire pits and visitors report that firewood is sold at the camp office; reviews note that charcoal/wood fires may be prohibited during dry hazard closures.. Always check current fire restrictions before your trip, as conditions change seasonally.

Is there cell service at Greenbrier State Park?

Cell phone service at Greenbrier State Park is generally available. Cell service is available. Coverage may vary by carrier and exact location within the campground.

How many campsites does Greenbrier State Park have?

Greenbrier State Park has 169 campsites. Sites vary in size, privacy, and amenities. Check availability online to find the best site for your needs.

Are dogs allowed at Greenbrier State Park?

Yes, pets are allowed at Greenbrier State Park. Dogs must typically be kept on a leash (usually 6 feet or shorter) and under control at all times. Be sure to clean up after your pet and check for any breed or size restrictions.

What amenities are available at Greenbrier State Park?

Greenbrier State Park offers: Restrooms, Showers, Potable Water, Dump Station, Electrical Hookups, Pets Allowed. See our detailed campground page for the full list of facilities and features.

What activities can I do at Greenbrier State Park?

Popular activities at Greenbrier State Park include Hiking, Fishing, Swimming, Boating, Wildlife Viewing. The surrounding area offers plenty of outdoor recreation opportunities for all skill levels.

Greenbrier State Park

4.36

110 reviews

B-Report Card

SwimmingSummer Destination

Quick Facts

974 ft

Price

Varies

Booking

Reservable

Sites

169 campsites

Season

2026 Reservable Date...

Cell

Has Service

Pets

Very Pet Friendly

ElectricShowers

Book on Maryland DNR Official Website

Get Directions

Quick Facts

974 ft

Price

Varies

Booking

Reservable

Sites

169 campsites

Season

2026 Reservable Date...

Cell

Has Service

Pets

Very Pet Friendly

ElectricShowers

Book on Maryland DNR Official Website

Get Directions

Greenbrier State Park

No fees available

Campsite Fees

Peak Season Apr 03 2026 - Oct 31 2026 Picnic Shelter $101.00-$102.00 Campsite Non-Electric $21.50-$22.50 Campsite...

No paid fee categories listed.

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Provider

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Campground Map

Greenbrier State Park

39.5378, -77.6218

Nearby places

Nearby state park locations: South Mountain State Park (3 miles)

Washington Monument State Park (5.4 miles)

South Mountain State Battlefield (5.5 miles)

Gambrill State Park (10 miles)

Cunningham Falls State Park (14 miles)

Gathland State Park (15 miles)

Monocacy NRMA (38 miles).

Nearby supplies

Review reports indicate stores (e.g., Home Depot and Giant) are fairly close to the park (unspecified distance).

Weather at Greenbrier State Park

Best Time to Camp at Greenbrier State Park

Summer is the best time to visit for reliably warm weather and full access to the park's main attraction: the man-made lake and lifeguarded sandy beach. Expect daytime highs in the mid-70s to low-90s°F (24–33°C) with humid conditions ideal for swimming, boating, and lakeside picnics; lifeguards are on duty 11 a.m.–6 p.m. from Memorial Day through Labor Day. Weekends are busy. Arrive early or reserve a campsite to secure a spot near the water. The swim season officially runs from the first weekend of May through the last weekend of September.

Best

Summer(Jun-Aug)

4.0 / 5

Best season: lifeguards, full lake access and warm weather, but busy on weekends.

Planning Tips

Operating Season: 2026 Reservable Dates All Campsites: April 3, 2026-October 31, 2026

About Greenbrier State Park

Greenbrier State Park centers around a man-made lake with a lifeguarded sandy beach, drawing families who want easy swimming and boating access. The park has 169 campsites spread across multiple loops, plus hiking trails that connect the campground to the lake and surrounding hills. Summer weekends get crowded. Lines at the entrance can stretch long, and beachgoers compete for space on the sand.

Developed state park campground with multiple loops offering tent and RV sites; some sites offer electrical hookups (Cedar loop).

Weather and SeasonsSummer is the best time to visit for reliably warm weather and full access to the park's main attraction: the man-made lake and lifeguarded sandy beach. Expect daytime highs in the mid-70s to low-90s°F (24–33°C) with humid conditions ideal for swimming, boating, and lakeside picnics; lifeguards are on duty 11 a.m.–6 p.m. from Memorial Day through Labor Day. Weekends are busy. Arrive early or reserve a campsite to secure a spot near the water. The swim season officially runs from the first weekend of May through the last weekend of September.

Natural Features and SceneryThe man-made lake anchors the park, its sandy beach bordered by roped swim areas. Wooded camping loops sit beneath a canopy of mid-Atlantic hardwoods, offering shade on hot afternoons. Trails wind through the forest and climb into nearby ridges, where hikers spot salamanders on damp mornings, chorus frogs in the wetlands, and songbirds year-round. The elevation sits at 974 feet, keeping temperatures slightly cooler than the lowlands.

Scenic ViewsViews primarily include the lake/beach and tree‑shaded campsites; wooded ridge and creek views along nearby trails.

Best Campsites

Curated by campers, for campers

Reveal picks

Reserving a campsite

Tents

Tents are allowed

RV vehicles

RV vehicles are allowed

Primitive

Primitive camping is not allowed

Reservable

Reservations are allowed

Reservation PlatformsGoingToCamp; Maryland reservations site: https://parkreservations.maryland.gov

Total Campsites169 campsites

Best CampsitesReviewers recommend the Ash loop for proximity to the lake. Cedar loop offers electric hookups; one visitor mentioned site 103 as a good option. Reserve in advance for holidays and summer weekends, when sites near the water fill fast.

Need help booking Greenbrier State Park?

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GoingToCamp Guide

Booking tips & windows

When to Book

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Cancellation Alerts

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Amenities available

Park campground with multiple loops (Ash, Birch, Cedar, Dogwood). Amenities reported by visitors include bathhouses with showers and flush toilets, picnic tables and grills, a small camp store/camp office that sells firewood and ice, and a water station near the campground entrance. Cedar loop is noted as the loop with electrical hookups; fire pits are provided at sites and camp hosts maintain sites.

Showers

Potable water

Electricity hookups

Flush toilets

Dump station

Fire rings

I manage this campground

RV details

Activities you can enjoy

Lake-centered recreation with trails and day-use beach area. Commonly used for swimming, boating, fishing, picnicking and hiking; wildlife viewing and family-friendly beach activities are frequent.

Hiking

Fishing

Swimming

Boating

Wildlife viewing

Planning your trip?Check out our camping packing checklist

Policies & Safety

Hazards & AlertsCommon issues reported by visitors include heavy weekend crowds and long entrance/parking lines, biting insects, and occasional night noises from wildlife. Review reports indicate fire/charcoal restrictions may be enforced during dry hazard conditions.

Trip Planning Tools

Set an AlertGet notified when sites open up Check WeatherHistorical weather data Gear for This TripMatched gear recommendations Packing ListCustomizable checklist

Questions & answers

Researching this campground? Ask anything — other campers and our team will weigh in. No visit required.

Tips from campers

Short heads-ups about the road in, gear quirks, timing, and more. You don't have to have been here to share what you know.

Reviews

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From Booking Sources

4.4

110 reviews

Recommended

Greenbrier State Park is recommended, placing it in the top 40% of campgrounds based on reviews

Visitors consistently praise Greenbrier State Park for its clean, well‑maintained campground and family‑friendly lake/beach. Camp hosts and park staff are described as helpful; trails, beach and lake recreation are major draws.

Review Summaries

Based on 110 reviews

What Campers Love

Well‑maintained campsites with level gravel pads; clean bathhouses and showers; friendly camp hosts; family‑friendly sandy beach with lifeguards in season; good hiking trails and opportunities for...

Based on 110 reviews

Common Concerns

Lake crowded and loud on weekends with music; limited showers (only 2 stalls for men's side in some loops); dated bathroom facilities; bugs; changes in camper demographics.[2][4]

Based on 110 reviews

Pro Tips & Recommendations

Reserve campsites in advance for holidays and summer weekends; arrive early on busy days to avoid entrance lines; bring trash bags and plan to pack out garbage; buy firewood at camp office (reviewers...

Based on 110 reviews

Camper Quotes

"Campsites are very clean and flat"; "This is a beautiful and peaceful place"; "The bath houses were neat and clean."

Based on 110 reviews

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Greenbrier State Park

No fees available

Campsite Fees

Peak Season Apr 03 2026 - Oct 31 2026 Picnic Shelter $101.00-$102.00 Campsite Non-Electric $21.50-$22.50 Campsite...

No paid fee categories listed.

Get Notified When Available

We'll monitor this campground and alert you the moment sites become available.

Free to start · paid plans add 2-min scans

256,000+ sites monitored · Email alerts to start; SMS and in-app with an account

Learn more about alerts →

Share this campground

Going To Camp

Provider

Go if

Families who want a real sandy beach within walking distance of their campsite. Lifeguards run 11am-6pm Memorial Day through Labor Day, Cedar loop has electric hookups, and trails connect directly to Annapolis Rock and the Appalachian Trail.

Skip if

Crowds and noise are the consistent complaint. Summer weekends bring entrance lines, a packed beach, and loud music across the water. Solo campers or anyone after quiet should aim for a weeknight or look at a different park entirely.

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Greenbrier State Park

B-

Camper Report Card

How campers graded it

Rated higher than 55% of graded campgrounds

Graded on what 88 campers actually wrote - graded on 14 things that make or break a trip. Each topic is graded against every other campground on it - A is among the best, C about average. No star ratings.

Strengths

Grade A+.Value
Grade A.Things to do
Grade B+.Facilities

Watch-outs

Grade D.Booking
Grade C-.Campsites
Grade C.Crowds & noise

Every grade - tap to see what campers said

Each topic is graded against every other campground on it; a topic campers liked never grades below C−. ± shows the 95% confidence range from the sample size.

How we grade →See how Maryland grades overall

About Shadow Mountain Lake

Context for the broader area surrounding Greenbrier State Park, sourced from the federal Recreation.gov rec-area record.

<A HREF="http://www.usbr.gov/dataweb/dams/co01666.htm">Shadow Mountain Dam</a> and Reservoir, <A HREF="http://www.usbr.gov/dataweb/html/cbt.html">Colorado-Big Thompson Project</a>, are on the Colorado River below its confluence with the Grand Lake outlet. Developments include 1 campground with 80 campsites and 2 boat-launch ramps. Good access exists. Total water surface available for recreation is approximately 1,346 surface acres and 8 miles of shoreline. Primary recreational activities are camping, fishing, and power boating. Primary sport fish are bown trout, rainbow trout, and salmon. Facilities closed in winter due to ice and snow conditions. <A HREF="http://www.usbr.gov/gp-bin/arcweb_sharesco.pl">Current Reservoir Levels</a>.

Directions

North from Granby, Colorado on U.S. 34.