Prince George's County Department of Parks and Recreation
Mount Calvert Historical and Archaeological Park

Visitor Information

16801 Mount Calvert Road
Upper Marlboro, MD 20772
301-627-1286; TTY 301-699-2544

Admission is FREE

The grounds at Mount Calvert Historical and Archaeological Park are open every day from dawn until dusk for drive-in and walk-in visitors. The site is also accessible by water via canoe and kayak.

The house and museum exhibit are open April through October on Saturdays from 10 am to 4 pm, and on Sundays from 12 noon to 4 pm.

Archaeological excavations are open on most Saturdays from April through October.

School and group programs are by appointment; call 301-627-1286 or TTY 301-699-2544.


Located in Upper Marlboro.

From Route 301 in Upper Marlboro, turn onto Route 382 (Croom Road) Go 3 miles and turn left onto Mount Calvert Road and go 3 miles to park entrance.

Need a Ride?

Washington Metro Area Transit Authority (WMATA)