Rock Lake is a 1365 acre lake located in Jefferson County. It has a maximum depth of 60 feet. Visitors have access to the lake from public boat landings, public beaches. Fish include Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike and Walleye. The lake's water is moderately clear.
** About Boating Ordinances: Before boating on an unfamiliar Wisconsin waterways check for a sign at the public boat landing to determine if there are local regulations (more restrictive than state law) which may apply on that waterbody. Also be sure to review the document Wisconsin Boating Regulations to learn about statewide regulations. There may be a delay between the time an ordinance is passed and the time it gets into our database. Therefore, the only way to know for sure if a water body has an ordinance in effect is to look for a sign posted at a public boat landing.