Castle Rock Lake
 Castle Rock Lake is a man-made lake located in central Wisconsin in Adams County and Juneau County. It connects to Petenwell Lake. It covers 16640 acres (67.3 km2) and reaches 30 feet (9.1 m) deep. Construction of the Castle Rock Dam was started in 1947 and completed 4 years later. The dam is 38 feet high 18700 feet long at is crest with a maximum water capacity of 175000 acre feet.