The 1,888-acre (7.64 km2) Florence Lake National Wildlife Refuge, in Burleigh County, North Dakota, United States, has almost 1,000 acres (4.0 km2) of virgin native mixed-grass prairie and a 132-acre (0.53 km2) lake. This high quality prairie habitat attracts grassland birds including grasslandpasserines that are sought by birders visiting the region. Florence Lake National Wildlife Refuge is administered by Long Lake National Wildlife Refuge as an unstaffed satellite refuge.