Cass Lake is a glacially-formed lake that is located within the Chippewa National Forest and the Leech Lake Indian Reservation in north central Minnesota. The lake is a part of the Cass Lake Chain of Lakes which consists of 9 different lakes, two river flowages and approximately 26,000 acres of water. Cass Lake is a popular vacation destination for swimming, boating and fishing. The chain of lakes are known for its excellent walleye and muskie fishing. Trophy walleye and muskie can be caught regularly if you know where to locate them. Northern pike, bass, perch and other panfish are also available.
MN DNR Lake Information Report