Greenbrier State Park
Notice: Greenbrier State Park: OPEN — details
- Status
- Open (per official listing)Daily 8 a.m. – sunset (Apr 1 – Sep 30)
- Entrance fee
- $5 per person ($7 nonresident)Annual pass available
- Day-use reservations
- Required
- Dogs
- Dogs allowed, with restrictions
- Camping
- Yes
- Official site
- dnr.maryland.gov
Official page last checked Oct 29, 2026. How we keep this current
Current alerts 1
Closure Greenbrier State Park: OPENNew electronic entry gate in use. Starting Friday, May 1, 2026, the new electronic entry gate at Greenbrier State Park will be in use. Visitors will… (more)
New electronic entry gate in use. Starting Friday, May 1, 2026, the new electronic entry gate at Greenbrier State Park will be in use. Visitors will use this gate when the toll booth is unmanned. The gate only accepts credit card. If you currently hold a Maryland Annual State Park and Trail Passport, a Maryland Golden Age Pass, or a Maryland Universal Disability Pass or are in the military or a veteran, please reach out to the park for instructions on how to receive a gate pass. Campers will receive gate instructions upon checking in for their reservation. A temporary closure is now in effect for a portion of the Big Red Trail on the west side of Greenbrier Lake due to dam infrastructure improvements. The section of trail along the backside of the lake will be closed for walking and the dam area will be inaccessible for boating and fishing. Visitors should follow posted signage and use alternate trail routes until work is complete.
Posted by the park. Official alert
Overview

Greenbrier State Park is a park in Washington County, about 3 miles northeast of Boonsboro.
Overnight options include campsites, with tent sites.
Hours
Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.
| Facility | Days | Hours | Season |
|---|---|---|---|
| Park | Daily | 8 a.m. – sunset | Apr 1 – Sep 30 |
| Daily | 10 a.m. – sunset | Oct 1 – Mar 31 |
Official wording
April through September: 8 a.m. to sunset; October through March: 10 a.m. to sunset.
Source: official park page, checked Oct 29, 2026. Times are local to the park (America/New York).
Fees and passes
| Item | Amount |
|---|---|
| Day-use Admission Fee: Memorial Day weekend to Labor Day: Weekends and holidays: Maryland residents (resident) | $5 · person |
| Day-use Admission Fee: Memorial Day weekend to Labor Day: Weekends and holidays: Maryland residents (nonresident) | $7 · person |
| Weekdays: Maryland residents (resident) | $3 · person |
| Weekdays: Maryland residents (nonresident) | $5 · person |
| Labor Day to Memorial Day: Maryland residents (resident) | $3 · vehicle |
| Labor Day to Memorial Day: Maryland residents (nonresident) | $5 · vehicle |
| Weekends in May and September: Maryland residents (resident) | $3 · person |
| Weekends in May and September: Maryland residents (nonresident) | $5 · person |
| Campsite | $21.50 · night |
| Campsite with electric | $27.50 · night |
| Youth group campsites | Free · child |
| Charge: (Base rate does not include transaction or other applicable fees) | $100 |
| Bus Reservations | $11.75 |
Official wording
Hours of Operations: April through September: 8 a.m. to sunset; October through March: 10 a.m. to sunset. Day-use Admission Fee: Memorial Day weekend to Labor Day: • Weekends and holidays: Maryland residents $5/person; out-of-state residents $7/person • Weekdays: Maryland residents $3/person; out-of-state residents $5/person Labor Day to Memorial Day: • Maryland residents $3/vehicle: out-of-state residents $5/vehicle • Weekends in May and September: Maryland residents $3/person; out-of-state residents $5/person Day Use reservations required on weekends and holidays from Memorial Day Weekend through Labor Day. An additional surcharge applies. *Note: Service fees apply. Camping: Gazebos: Charges: (Base rate does not include transaction or other applicable fees) • Campsite: $21.50 • Campsite with electric: $27.50 • Youth group campsites: $0 with the Maryland Park Service youth group pass (required) Shelters: Capacity: 32 people Charge: (Base rate does not include transaction or other applicable fees) $100 Bus Reservations: • $11.75 non-refundable reservation charge, plus day-use admission fee • No buses are permitted on summer weekends or holidays • Bus reservations: Wed May 1, 2024 - Mon Sept 30, 2024 and Fri May 1, 2025 - Wed Sept 30, 2025.
Maryland park passes
- Maryland State Park and Trail Passport (annual) — $75 resident / $100 non-resident. Unlimited day-use entry for everyone in the vehicle (up to 10 people), unlimited boat launching, 10% concession discount Details
- Golden Age Pass (62+) — $10 processing fee, lifetime. Free day-use entry, half-price camping Sun–Thu, waived boat launch fees Details
- Universal Disability Pass. Free lifetime entrance to DNR public lands for holder + one person Details
- Youth Group Pass. Youth-group day use (not peak weekends) and youth group camping; valid two years Details
From the Maryland state guide. Confirm which passes this park accepts.
Reservations
- Day use
- Required
- Booking system
- Maryland State Park Reservation Service (parkreservations.maryland.gov); day use via parkdayuse.maryland.gov
- Phone
- 888-432-2267
Day use reservations are REQUIRED!
We link to the official booking system rather than showing live availability, which changes minute to minute.
Pets
Dogs allowed, with restrictions
Not allowed in or on: the sandy portion of the beach or in the water.
Suited for a variety of campers, the park offers two pet-friendly camping loops, one electric camping loop and tent and RV sites. Pets are allowed in Greenbrier State Park in the following areas: • Pets are allowed in the Cedar and Dogwood camp loops • Pets are allowed on trails outside day-use area (access from outlying parking areas) • When the swim ropes are in the water, pets are not permitted on the sandy portion of the beach or in the water.
Service animals are generally permitted where pets are not. Check with the park for specific areas.
Camping
| Campground or site type | Sites | Hookups / features | Price |
|---|---|---|---|
| Click here for the Campground Map See https://dnr.maryland.gov/publiclands/documents/GBSP_campgroundmap.pdf | — | — |
Camping details from the park
Gazebos:
- Campsite: $21.50
- Campsite with electric: $27.50
- Youth group campsites: $0 with the Maryland Park Service youth group pass (required)
From the official park page, checked Oct 29, 2026. Site counts and prices can change; confirm when booking.
Things to do
Camping
Swimming
The 42-acre man-made freshwater lake and white sandy beach draw many visitors who enjoy swimming, canoeing, boating and fishing. • When the swim ropes are in the water, pets are not permitted on the sandy portion of the beach or in the water. Swimming is permitted only when swim ropes are in place from mid-May through mid-September. Lifeguards are on duty at the swimming area of the lake from 11 a. Swimming is permitted at your own risk when lifeguards are not on duty and swim ropes are in place. Greenbrier State Park: A recreational park featuring swimming beaches, picnic sites, gazebos, hiking trails, camping and nature exploration. Swimming is permitted only when swim ropes are in place from the first weekend of May through the last weekend of September.
Amenities
Camping
- Tent camping
✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.
Getting there
- Address
- 21843 National Pike
Boonsboro, MD 21713 - Nearest town
- Boonsboro — about 3 mi northeast (straight line)
- Coordinates
- 39.5361, -77.6236 (from Wikidata)
- greenbrier.statepark@maryland.gov
Nearby state parks
Sources and freshness
- Maryland State Parks — park page — last checked Oct 29, 2026
- Maryland Park Service 'Find a State Park' directory (SharePoint HTML, links to /publiclands/Pages/{region}/{park}.aspx)
- Wikidata
- USGS PAD-US 4.1 (boundary and acreage)
- Photo: Greenbrier-state-park.jpg — CC0 1.0 (public domain dedication), Clarissajoy
“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology