Big Sandy Lake Association (BSLA)

Big Sandy Lake near McGregor, Aitkin County, Minnesota

Big Sandy Lake Association (BSLA) is a non-profit lake association for Big Sandy Lake in Aitkin County, Minnesota, just north of the town of McGregor on THW65.


Big Sandy Lake is a reservoir fed by the Sandy River from the south, Aitkin Lake and Van Dusch Creek from the north, and the Prairie River from the east.  Water flows out of the lake and into the Mississippi through a dam in the northwest corner of the lake that is managed by the Army Corps of Engineers.  

Big Sandy Lake is 6125 acres in size, with 57 miles of shoreline and a maximum depth of 84 feet.  Big Sandy Lake has numerous islands and bays. 

topographical map of Big Sandy Lake
Big Sandy Lake located in Aitkin County, Minnesota