Lake Koshkonong
Lake Koshkonong covers about 10,460 acres of the Rock River in Wisconsin. The lake is in Jefferson County. Rock-Koshkonong Lake…
Reservoir
Janesville, WI · population 66,428
Lakes and swimming beaches near Janesville
Janesville sits within reach of 8 lakes in this guide and 14 mapped swimming spots. The closest is Lake Koshkonong, about 13 miles out. Every page carries the water level where an agency publishes one, the current weather and the access points.
Lakes near Janesville (8) Swimming beaches near Janesville (14)
Water near Janesville
Lakes and swimming spots within reach.
Closest lakes to Janesville
Ordered by distance from the city center.
Delavan Lake
At roughly 1,906 acres, Delavan Lake is one of the lakes covered in Wisconsin. Its shoreline falls inside Walworth County. WI DNR…
Natural lake
Lake Geneva
Fed by the White River, Lake Geneva holds roughly 5,189 acres of water in Wisconsin. It lies in Walworth County. WI DNR / local…
Natural lake
Lake Monona
Fed by the Yahara River, Lake Monona holds roughly 3,212 acres of water in Wisconsin. The lake is in Dane County. WI DNR / Dane…
Natural lake9 beaches
Lake Mendota
Lake Mendota covers about 9,736 acres of the Yahara River in Wisconsin. Its shoreline falls inside Dane County. WI DNR / Dane…
Natural lake3 beaches
Lac La Belle
Fed by the Oconomowoc River, Lac La Belle holds roughly 1,154 acres of water in Wisconsin. You will find it in Waukesha County.…
Natural lake2 beaches
Okauchee Lake
Okauchee Lake is a reservoir of some 1,210 acres on the Oconomowoc River, in Wisconsin. It lies in Waukesha County. It is managed…
Reservoir
Nagawicka Lake
Nagawicka Lake covers about 981 acres in Wisconsin. The lake is in Waukesha County. Management is in the hands of Waukesha County…
Natural lake