Greenbrier State Park

Quick Facts

• Location: Boonsboro, Washington County, Maryland
• Address: 21843 National Pike, Boonsboro, MD 21713
• Water Type: Freshwater (Greenbrier Lake)
• Beach Type: State park lake beach
• Sand Type: Sandy lake shoreline
• Water Conditions: Calm freshwater lake
• Best For: Families, swimming, picnics
• Best Time to Visit: May–September
• Best Time of Day: Morning for parking; afternoon for swimming
• Beach Hours: Seasonal operating hours
• Pet Policy: Pets allowed in park; restricted in swim areas
• Beach Cleanliness: Well maintained
• Average Rating: ⭐ 4.6
• Pricing: State park entrance fee
• Parking: Large on-site lot
• Accessibility: Easy shoreline access
• Restrooms: Yes
• Showers: Bathhouse facilities available
• Lifeguards: Seasonal
• Crowd Level: Moderate to high in summer
• Safety Notes: Swim only in designated areas

Overview

Greenbrier State Park features a large freshwater swim beach at Greenbrier Lake in Western Maryland. It offers sandy shoreline, designated swimming areas, and strong family-friendly amenities.

Unlike Bay beaches, Greenbrier provides calm lake swimming in a forested mountain setting.

Amenities & Access

• Large sandy swim area
• Bathhouse facilities
• Picnic areas
• Boat rentals
• Campgrounds

Water & Safety Conditions

• Calm freshwater lake
• Seasonal lifeguards
• Clearly marked swim zones
• Follow posted rules

Things to Do

• Swimming
• Paddle boating
• Fishing
• Hiking
• Picnicking

Nearby Attractions

• Appalachian Trail access
• Antietam National Battlefield
• Western Maryland scenic routes

Where to Stay

• Park campgrounds
• Boonsboro lodging
• Mountain vacation rentals

Rules & Tips

• Arrive early during peak season
• Check entrance fees before arrival
• Swim only in marked areas
• Bring shade and hydration

Best Time to Visit

Late Spring through Early Fall offers the best lake conditions.

Who It’s Best For

✔ Families
✔ Freshwater swimmers
✔ Campers
✔ Western Maryland visitors

Less ideal for those seeking coastal beaches.

Bottom Line

Greenbrier State Park delivers one of Maryland’s most accessible and family-friendly freshwater lake beach experiences.