Prince George's County
Merkle Wildlife Sanctuary
11704 Fenno Road
Upper Marlboro, MD 20772
Contact: 443-510-9920
Hours:
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.