| United States|| 22 ft (6.7 m)|
| Fairview Township, Cass County, north of Pillager, Minnesota|Rock Lake (Minnesota) Wikipedia
Rock Lake is a lake located in Cass County, Minnesota, USA. The lake has an area of 240 acres (0.97 km2) and a water clarity of 3.5 ft (1.1 m) with a maximum depth of 22 feet (6.7 m).
Rock Lake has a smaller lake branching off it, with a smaller stream flowing into it. The lake is weedy and is a habitat for Northern Pike and Large Mouth Bass. It is available for recreational activities such as swimming, boating and fishing.