Lake Onalaska is a 8,391 acre lake located in La Crosse County. It has a maximum depth of 40 feet. Visitors have access to the lake from many public boat landings. Fish include largemouth bass, smallmouth bass, northern pike, walleye and panfish. According to the DNR, panfish are abundant in the lake while largemouth bass and northern pike are considered common. Smallmouth bass and walleye are listed as present.
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- Featured Destinations
- Large Lakes
- Beaver Dam Lake
- Buffalo Lake
- Castle Rock Lake
- Cedar Lake
- Crystal Lake
- Fox Lake
- Grand River Marsh
- Green Lake
- Lake Butte des Morts
- Lake Onalaska
- Lake Poygan
- Lake Redstone
- Lake Winnebago
- Lake Winneconne
- Lake Winneshiek
- Little Lake Butte Des Morts
- Mud Lake
- Petenwell Lake
- Puckaway Lake
- Rush Lake
- Rynearson Flowage No. 1
- Shawano Lake
- Sheboygan Lake
- Sinissippi Lake (Hustisford)
- Wigwam Slough
- Smaller Lakes
- Big Roche a Cri
- Camelot Lake
- Crystal Lake
- Crystal Lake
- Decorah Lake
- Dutch Hollow Lake
- Eagle Nest Flowage
- Elkhart Lake
- French Lake
- Grand Lake (Millpond)
- Gremore Lake
- Harris Pond (Harrisville)
- Jordan Lake
- Kettle Moraine Lake
- Lake Arrowhead
- Lake Columbia
- Lake Emily
- Lake Montello
- Lake Sherwood
- Lake Tomah
- Lawrence Pond
- Lazy Lake (Fall R Millpond)
- Little Cedar Lake
- Little Green Lake
- Long Lake
- Marais Lake
- McGregor Lake
- Meadow Valley Flowage
- Monroe County Flowage
- Neshkoro Millpond
- Neshonoc Lake
- New Lisbon Lake
- North Flowage
- Number Two Pool
- Park Lake
- Pike Lake
- Random Lake
- Swan Lake
- The Fish