Prince George's County Department of Parks and Recreation
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Visitor Information

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

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-4 pm, and on Sundays from 12 noon-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. Admission is free.


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.

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