Lake Koshkonong Boat Ramps

6 boat launches are mapped on Lake Koshkonong in Jefferson County, Rock County, Wisconsin.

4 of these launches include facility details from Wisconsin Department of Natural Resources.

Lake Koshkonong facts

Surface area10,602 acres
TypeLake/Pond
Average depthabout 25 ft (modelled estimate)
Water volumeabout 266,230 acre-feet (modelled)
Shoreline lengthabout 24.5 miles
Surface elevation771 ft above sea level

Sources: USGS National Hydrography Dataset (public domain); HydroLAKES v1.0 (Messager et al. 2016, CC BY 4.0). Matched to this page by name and location; modelled values are approximate. See all sources.

Lake Koshkonong water level & temperature

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