HOME
LAKES
REPORTS
FORUMS
TRAVEL
DEALS
SEARCH
MORE
Not to be used for Navigation

Lake Koshkonong

Jefferson County, Wisconsin

moon phase
Sun times displayed in .
Lake Koshkonong is a 10595 acre lake located in Jefferson, Dane, Rock Counties. It has a maximum depth of 7 feet. Visitors have access to the lake from public boat landings, public beaches. Fish include Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye and Catfish. The lake's water clarity is very low.

Each week we're giving away a $25 Kiwk Trip gift card to one lucky angler. All you need to do is upload a pic of your catch for a chance to win! Click here to see last week's winner.
Caught by Tom Biga
Caught by Greg Wendt
Caught by Jeff Patrick
Caught by Jason Kline
Caught by Jeff Patrick
Caught by Jason Weckerle
Caught by Nate Kostos
Caught by Jason  Weckerle
Caught by Greg Dempsey
Caught by Michael Davenport
Caught by Jeff Patrick
Caught by Kevin Tomczak

Frequently Asked Questions About Lake Koshkonong, WI


How big is Lake Koshkonong?
Lake Koshkonong is approximately 10,595 sq acres (42.9 sq km) in size.

How deep is Lake Koshkonong?
Lake Koshkonong is approximately 7 feet (2.1 m) at its deepest point with an average depth of 5 feet (1.5 m).

What kind of fish can you catch in Lake Koshkonong?
Although thery may be others but anglers can expect to find a variety of fish including Channel Catfish, Largemouth Bass, Muskie, Northern Pike, Panfish, Smallmouth Bass and Walleye in Lake Koshkonong.


What are the closest cities to Lake Koshkonong?
Nearby cities and towns include Lake Koshkonong, WI, Edgerton, WI and Milton, WI.

Are there places to stay in the Lake Koshkonong area?
Are you craving a weekend escape from the hustle and bustle of city life? Or maybe you're an avid angler in search of the perfect fishing spot? Look no further! Lake Koshkonong and its surrounding area offer an abundance of options to suit your needs. If you're in need of accommodation, check out our area map which highlights some of the best places to stay. And if you're looking for even more options, head on over to our Travel section. But why settle for a traditional hotel or resort when you can take your adventure to the next level by renting a RV? The open road awaits you!
More Lodging Options

Are there bait or tackle shops near Lake Koshkonong?
Yes, there are some nearby bait or tackle shops in the vacinity of Lake Koshkonong.
Business Card: Rock River Bait Box
Rock River Bait Box
Fort Atkinson, WI
(920) 691-2602
about 7 miles away

Are there topographical lake maps available Lake Koshkonong?
We have an topograpical map for online viewing near the top of this page. Lake-Link Pro users can download an print a topograpical map of Lake Koshkonong (.pdf format) along with 2,700 more lake maps. For more information on all the benefits of Lake-Link Pro click here.

Are there boat launches on Lake Koshkonong?
We know of 4 public boat launches on Lake Koshkonong. Please observe any specific lake regulations posted by the boat launch and please help keep the launch area free of litter.

Lake Koshkonong area businesses:
Please check out these local businesses in the Lake Koshkonong area:
Business Card: Rock River Bait Box
Rock River Bait Box
Fort Atkinson, WI
(920) 691-2602
about 7 miles away

Are there places to eat and drink near Lake Koshkonong?
Yes, you can find numerous options in the area. Click the button below to see what's nearby.

What are the fishing regulations for Lake Koshkonong?
Wisconsin Department of Natural Resources There are specific fishing regulations Lake Koshkonong that you need to know. For complete fishing regulations visit the Wisconsin Department of Natural Resources. To report a violation call (800) 847-9367 or cell #367. Need a Wisconsin fishing license?

General Restrictions
  • Catch and release fishing for largemouth and smallmouth bass is open year round unless otherwise noted.
  • Hook and line fishing is open all year for fish species except muskellunge, lake sturgeon, trout, paddlefish and threatened or endangered species.
  • Motor Trolling is allowed with up to 3 hooks, baits, or lures, per angler.

What is the bottom composition of Lake Koshkonong?
Lake Koshkonong's bottom composition is comprised of muck (80%), gravel (10%) and sand (10%).

Explore the Lake Koshkonong area in a RV
Are you looking for an adventurous vacation option that won't break the bank? Look no further than renting an RV! Contrary to popular belief, the process is much simpler than you might imagine. With just a few easy steps, you'll soon be experiencing the ultimate freedom and convenience of exploring the open road in your very own recreational vehicle. And the best part? RV travel can save you up to 60% compared to other types of vacations! With the money you'll save, you'll be able to travel even more and create unforgettable memories along the way. So why wait? Start planning your next adventure today with an RV rental. Learn more about renting a RV.

2025 Salem Cruise Lite
2025 Salem Cruise Lite
33 ftSleeps 8
Cottage Grove, WI
$150/nightMORE
2022 Salem Cruise Lite
2022 Salem Cruise Lite
33 ftSleeps 9
Milton, WI
$165/nightMORE
2019 Forest River Rockwood Mini Lite
2019 Forest River Rockwood Mini Lite
25 ftSleeps 6
Reeseville, WI
$130/nightMORE
2022 Keystone RV Springdale
2022 Keystone RV Springdale
32 ftSleeps 7
Cambridge, Wisconsin, United States, WI
$150/nightMORE
More RV Options
What aquatic invasive species are found in Lake Koshkonong?
There are some aquatic invasive species found in Lake Koshkonong including Curly-Leaf Pondweed and Zebra Mussel.

Join us in the fight to prevent the spread of invasive species These sneaky creatures can hitch a ride on boats, clinging onto propellers, anchor lines, and trailers. They can even survive in hidden places like bilge water and ballast tanks, or disguise themselves in dirt and sand that sticks to nets, buckets, anchors, and waders. But don't worry, we have the power to stop them in their tracks with just a few simple steps. So let's do our part and protect our waters from these unwanted invaders.



What is the average air temp for Lake Koshkonong?
Looking forward to your next adventure at Lake Koshkonong? Don't forget to plan ahead! Weather can be unpredictable, but we've got you covered. On average, air temperatures during this time of year range from a high around 79°F (26°C) to a low around 57°F (14°C). Of course, these are just historical averages, so be prepared for anything Mother Nature throws your way. For the most up-to-date weather information, be sure to check out our Weather Bar located at the top of this page.

Are there any state parks near Lake Koshkonong?
Enjoy more of the outdoors with a visit to an area state park. There are 1 state park in the vacinity of Lake Koshkonong.

For more Wisconsin State Park information see our State Park Guide.

More Nearby Lakes To Explore
There's more lake's to explore around Lake Koshkonong...
DISTANCE ACRES MAX DEPTH
Turtle Lake 3.7 mi 15 4 ft
Mud Lake 3.8 mi 185
Sweet Lake 3.9 mi 12 4 ft
Rice Lake 4.1 mi 117 8 ft
Grass Lake 4.4 mi 70 3 ft
Clear Lake 5.1 mi 77 12 ft
Storrs Lake 7.1 mi 20 25 ft
Rose Lake 7.4 mi 49 10 ft
Red Cedar Lake 7.6 mi 344 6 ft
Rockdale Millpond (Camrock) 8.1 mi 72 5 ft
DISCLAIMER: Lake-Link Inc assumes no responsibility or liability for any errors or omissions of the information for Lake Koshkonong. Although we strive to provide the most accurate information as we can the information contained in this page is provided on an "as is" basis with no guarantees of completeness, accuracy, usefulness or timeliness.

MINN KOTA - Ulterra Trolling Motors
Ulterra Trolling Motors
Ulterra’s Auto Stow/Deploy and Power Trim has been helping anglers make more out of their days on the water for years. Now this easy to use motor has been completely re-imagined to handle even tougher abuse. PRODUCT SPOTLIGHT: MINN KOTA - Ulterra Trolling Motors Advertisement

HUMMINBIRD - XPLORE Fish Finders
XPLORE Fish Finders
The XPLORE Series is lightning-quick and laser-focused on anglers’ favorite features. Find your fishing spots faster with included LakeMaster and CoastMaster charts. PRODUCT SPOTLIGHT: HUMMINBIRD - XPLORE Fish Finders Advertisement

Copyright © 2001-2026 Lake-Link Inc. All rights reserved.
No portion of this website can be used or distributed without prior written consent of Lake-Link, Inc.
This website may contain affiliate links, meaning when you click the links and make a purchase, we may receive a small commission.
Lake-Link Home
fish seduced by
MENU
MORE TO EXPLORE