|Location||Otter Tail County, Minnesota|
|Basin countries||United States|
|Surface area||5,338 acres (21.60 km2)|
|Max. depth||68 ft (21 m)|
Rush lake is in the general shape of a gourd, covering an area of 5,338 acres (21.60 km2) and reaching a maximum depth of 68 feet (21 m). Despite the said maximum depth, most of the lake is rather shallow with 62 percent of the lake less than 15 feet (4.6 m) in depth.