Merkle Wildlife Sanctuary and Visitor's Center

Scenic wetland in Merkle Wildlife SanctuaryPark Reservations

Contact: 443-510-9920​​

​Prince George's County

Merkle Wildlife Sanctuary
11704 Fenno Road
Upper Marlboro, MD 20772


Grounds open Sunrise to Sunset

Frank Oslislo Visitor Center: Weekends - 10 a.m. - 4 p.m.

As the wintering ground for the largest concentration of Canada geese on the Chesapeake Bay's western shore, Merkle Wildlife Sanctuary is one of Maryland's most unique Natural Resource Management areas.

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