Rosaryville State Park
Nature area · Upper Marlboro, MD
Good to know
- Address
- 7805 West Marlton Avenue, Upper Marlboro, MD 20735
- Hours
- sunrise-sunset as listed on OpenStreetMap
- Phone
- +1 301 888 1410
- Area
- Prince George's County, Maryland
- Maps
- Apple Maps · OpenStreetMap
More nearby
Source and freshness
- Place details come from OpenStreetMap (relation/4234082), © OpenStreetMap contributors, under the Open Database License (ODbL) 1.0.
- Last checked against the source on Nov 13, 2026.
- The adrenaline level and audience are our editorial rating for this type of activity, not a measurement. Confirm hours, prices and age limits with the venue before you go.
- Spotted a mistake? Fix it on OpenStreetMap and it will flow here on the next refresh.
Cite this page: ActivityPlaces, “Rosaryville State Park, Upper Marlboro, MD”, https://www.activityplaces.com/place/rosaryville-state-park-upper-marlboro-md (data checked Nov 13, 2026).