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Guide To Fishing At Lake Koshkonong

AKA: Koshkonong Lake

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Lake Koshkonong, WI

Trolling for walleye and white bass is very popular at Lake Koshkonong. Other species residing here include largemouth and smallmouth bass, pike, crappie, musky, perch, catfish and sunfish.

There are more than 20 miles of shoreline, yet the lake is relatively shallow, with a maximum depth of 7 feet. However, this 10,500-acre body of water offers plenty of room for boating and fishing. Located in the southeast part of the state, it has easy access from Interstate 90 on the west and Highway 26 on the east side. Access for fishing from the bank is limited, but there are rental boats available in season, and boat launch ramps open to the public.

Fishing Boats For Rent In WI

What to fish for...

Fishing for largemouth bass, smallmouth bass, channel catfish, black crappie, white crappie, walleye, bluegill, pumpkinseed sunfish, rock bass, yellow perch, musky, northern pike and tiger musky at Lake Koshkonong in Wisconsin.

Primary fish species residing in Lake Koshkonong

Click images for fishing tips and details about each species.

Largemouth bass Smallmouth bass Channel catfish Black crappie White Crappie Walleye Bluegill Pumpkinseed Sunfish Rock Bass Yellow Perch Muskie Northern Pike Tiger Muskie

Lake Koshkonong Amenities

Marina: YES
Boat Rental: YES
Boat Launch Ramp: YES
Campgrounds: YES
RV Hookups: YES
Lodging: YES
Convenience Store: YES
Bait & Tackle: YES
Restaurant: YES

Today's Weather & Forecast

Fishing Boat Rentals

Floating Toy Boat Rentals
Rentals: Pontoon boats
608 921-9453

Public Boat Launch Ramps & Landings

Groeler Road Boat Launch Ramp
Located mid lake, east side, at the south end of the Highway 26 Bridge, this is a one-lane, concrete ramp with a dock and paved parking.

Newville Public Boat Launch Ramp
Located in the southwest corner of the lake, on the Rock River, off E Ellendale Road, this is a one-lane, concrete ramp with docks and paved parking.

Royce-Dalman Park Boat Launch Ramp
Located in the southwest section of the lake, south side, off N Charley Bluff Road, this is a two-lane, concrete ramp with a dock and paved parking.

Click here for a Wisconsin Fishing License.

Campgrounds & RV Parks Nearby

Lakeland RV Campground - 608 868-4700

Hidden Valley RV Resort-Campground - 608 868-4141

Pettit's Lakeview Campground & Bar - 608 868-7800

Blackhawk Club Campground - 920 563-3178

Hickory Hills Campground - 608 884-6327

Milton KOA - 800 469-5515

Lake Koshkonong WI Map - Fishing & Camping Areas

Lake Video

Contact Information

Lake Koshkonong
Rock River Marina
520 E Richardson Springs Rd
Edgerton, WI 53534
608 884-9415


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Lake Koshkonong in WI

Fishing for walleye and white bass in southeast WI.

Lake Koshkonong, in Wisconsin.