Gathland State Park
Frederick · Washington · Maryland Department of Natural Resources
A place to get outside.
HeadquartersGreenbrier State Park21843 National PikeBoonsboro MD 21713Hours of Operation: April through September: 8 a.m. to sunset; October through March: 10 a.m. to sunset.
Official park informationFind your way.
Locations represent park land, not necessarily an entrance. Follow official entrance directions. Map tiles © OpenStreetMap contributors.
This map represents park land. Use the official park map and entrance directions for your journey.
Read before you roam.
How to read park closures & visitor notices
Check the affected area, source, dates, and last verification before planning a Maryland park visit.
Read the guide THE FIELD GUIDEPests, treatments & Maryland park visits
Understand pest notices, treatment schedules, and the difference between regional guidance and a documented park impact.
Read the guide THE FIELD GUIDEPlan a Maryland park day
A practical sequence for choosing a park, checking access, reading the forecast, and finding official visitor information.
Read the guideSources & verification
Park facts and notices are checked separately. Missing facility information does not mean a facility is absent. Official visitor page checked Oct 15, 2026.
- Maryland state park directory · Oct 15, 2026
- Maryland DNR lands · Oct 15, 2026