Lake Redstone is a man-made lake located in Northwest Sauk County, approximately 7 miles northwest of Reedsburg and 2 miles northeast of LaValle.  

It consists of 2,450 total acres including developement area and the Lake.  Construction of the lake started in 1964.  

Lake Redstone’s lake surface is approximately 612 acres, with 17 ½ miles of shoreline.  

Lake Redstone is approximately 3 miles long and approximately 36 feet deep in front of the dam.

Lake Redstone has 19,200 acre water shed to the north is mostly from Juneau County that fills the lake. In addition Sauk County has a share of the water shed.

The dam, located on the South end of the lake, has a top draw spillway; all excess water creates a cascading waterfall and flows into the Baraboo River.