Red Lake (South Dakota)

LocationBrule County, South Dakota

Coordinates43°43′35″N 99°13′31″W / 43.7264°N 99.2252°W / 43.7264; -99.2252

BasincountriesUnited States

Surface area3,951 acres (15.99 km²)^[1]

Red Lake
Red Lake Show map of South Dakota Red Lake Show map of the United States
Location	Brule County, South Dakota
Coordinates	43°43′35″N 99°13′31″W / 43.7264°N 99.2252°W / 43.7264; -99.2252
Basin countries	United States
Surface area	3,951 acres (15.99 km2)[1]
U.S. National Natural Landmark
Designated	1975

Red Lake is a body of water in Brule County, South Dakota, United States. It is defined as a prairie pothole. The pothole is located east of the Missouri River, near the population center of Pukwana. Owned by the State of South Dakota, the body of water was listed as a National Natural Landmark in 1975.