Sibley Lake National Wildlife Refuge

Sibley Lake National Wildlife Refuge
IUCN category IV (habitat/species management area)
Location	Griggs County, North Dakota, United States
Nearest city	Cooperstown, ND
Coordinates
Area	1,077 acres (4.35 km2)
Governing body	U.S. Fish and Wildlife Service

The Sibley Lake National Wildlife Refuge is located in the U.S. state of North Dakota and consists of 1,077 acres (4.35 km²). Sibley Lake is a privately owned easement refuge, managed with by the U.S. Fish and Wildlife Service. The refuge was established to protect habitat for migratory bird species, white-tail deer and other mammals. Valley City Wetland Management District oversees the refuge, which in turn is a part of the Arrowwood National Wildlife Refuge Complex. Sibley Lake is a 525 acre (2.12 km²) fresh water marsh.