> Canonical: https://marylandparks.org/parks/rosaryville-state-park
> Content revision: 2026-10-15T16:51:33.114Z

[State parks](https://marylandparks.org/types/state-park)[Prince George’s](https://marylandparks.org/counties/prince-georges)

# Rosaryville State Park

Prince George’s · Maryland Department of Natural Resources

PLAN YOUR VISIT

## The practical details.

**Managing agency**: Maryland Department of Natural Resources

[Official park information](https://dnr.maryland.gov/publiclands/Pages/southern/rosaryville.aspx)

We have not yet verified hours, entry fees, accessibility details. Confirm these with the managing agency before traveling.

Check notice timestamps and official updates. Conditions can change between source checks.

## Weather & forecast

National Weather Service · [Official forecast ↗](https://forecast.weather.gov/MapClick.php?lat=38.76729&lon=-76.823015)

## About Rosaryville State Park

Rosaryville State Park7805 West Marlton Avenue Upper Marlboro, MD 20772Contact: Park Headquarters 301-888-1410Duty Ranger is 443-975-4358 Hours: Park is Open 8 a.m. to sunset. All vehicles must exit the park before the gate closes at sunset. If locked in, call Park Watch at 1- 800 825 7275. Rosaryville is a 1227 acre day-use park with miles of trails for hiking, biking and equestrians. To gain access to Rosaryville State Park, make a right turn into the entrance just south of Osborne Road while traveling south on U.S. 301.

## Find your way.

Map points represent park land, not verified visitor entrances. Follow the managing agency’s entrance directions. Tiles © OpenStreetMap contributors.

This point represents park land, and may not be a public entrance. Follow official entrance directions.

[Official visitor information & directions ↗](https://dnr.maryland.gov/publiclands/Pages/southern/rosaryville.aspx)

## Read before you roam.

[THE FIELD GUIDE

### 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](https://marylandparks.org/guides/understanding-park-notices)[THE FIELD GUIDE

### Pests, treatments & Maryland park visits

Understand pest notices, treatment schedules, and the difference between regional guidance and a documented park impact.

Read the guide](https://marylandparks.org/guides/pests-and-park-visits)[THE FIELD GUIDE

### Plan a Maryland park day

A practical sequence for choosing a park, checking access, reading the forecast, and finding official visitor information.

Read the guide](https://marylandparks.org/guides/planning-a-maryland-park-day)

## Sources & 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](https://dnr.maryland.gov/publiclands/Pages/parkmap.aspx) · Oct 15, 2026

- [Maryland DNR lands](https://mdgeodata.md.gov/imap/rest/services/Environment/MD_ProtectedLands/FeatureServer/0) · Oct 15, 2026

[Suggest a correction](https://marylandparks.org/about#corrections) · [Markdown version](https://marylandparks.org/parks/rosaryville-state-park.md)

## Nearby parks.

Within 35 miles in a straight line. Travel distances and entrances vary.

[All parks](https://marylandparks.org/parks)

[Prince George’s

### Cheltenham Wildlife Management Area

Maryland Department of Natural Resources](https://marylandparks.org/parks/cheltenham-wildlife-management-area)

[Prince George’s

### Croom Natural Resources Management Area

Maryland Department of Natural Resources](https://marylandparks.org/parks/croom-natural-resources-management-area)

[Prince George’s

### Billingsley Natural Resources Management Area

Maryland Department of Natural Resources](https://marylandparks.org/parks/billingsley-natural-resources-management-area)