Petenwell Lake Information

Lake Info:

  • Petenwell Dam - is a hydro dam creating electricity from the flow of the Wisconsin River but power was not the only thing create by the dam but also Petenwell Lake which is Wisconsin's 2nd Largest inland body of water...
  • Swimming - the lake is mostly a sand bottom and has plenty of spots along the shoreline that are about 3 to 5 feet deep.  Adams County & Petenwell Wilderness Park which is open to the Public has...
  • Welcome to - This website is LOADED with useful information including maps, photos, videos, a fishing report forum and much more...

Types of Fish in Lake Petenwell, WI.


There is wide variety of fishing in Petenwell Flowage, Wisconsin but here’s a list of the most common species.  Checkout the Lake Petenwell Fishing Forum and the Fishing Home Page.

Musky, Muskie, & Muskellunge - Clear Muskie, Barred Muskie, Spotted Muskie, and Tiger Muskie.
Northern Pike
Walleye & Sauger
Largemouth Bass
Smallmouth Bass
Strip Bass aka Strippers
Black Crappie & White Crappie,

Panfish including; Bluegill, Rock Bass, Pumpkinseed, Yellow perch, Yellow Bullhead and tons more…
White Sucker


The DNR and Local organization also do stock fish in Lake Petenwell.

Check the Wisconsin Department of Natural Resources for Bag Limits, Fishing Rules & Regulations for Lake Petenwell Flowage and other Wisconsin Lakes. 

External Fish & Fishing links!
WI DNR Fishing Rules & Regulations -
Wisconsin Musky Lakes -
Massive Wisconsin Musky - Photo on the Right -
Wisconsin Musky Fact Sheet -
Musky Fishing Information -



Lake Petenwell WI

Lake Petenwell is Wisconsin’s second largest body of water (23,000+ Acres), created by Wisconsin River Power Company in the 1940s by building a Hydroelectric Dam on the Wisconsin River. Lake Petenwell is also known as Petenwell flowage. It has plenty of fine waterfront real estate around Petenwell County Park which is one of Central Wisconsin’s most popular parks. Just south of the Petenwell Dam, is Castle Rock Lake, which is WI 4th largest lake. Theses two lakes, along with the Wisconsin, River separate Adams County & Juneau Cty. Today Lake Petenwell is one of Central Wisconsin biggest attractions along with Wisconsin Dells, which is only about 30 minutes directly south.

Lake Petenwell Property for Sale

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Petenwell Lake Pictures and Photos

Also Checkout Real Estate for Sale - Castle Rock Lake | Rome WI | Tri-Lakes | Lake Arrowhead | Lake Camelot | Lake Sherwood | Twin Lakes | Petenwell Lake

Website Features:

  • Petenwell Flowage Fishing Forum

  • Real Estate; Lakefront, Deeded Access & Log Cabins
  • Area information
  • Local Events Calendar
  • Description, Locations & Photos of Public Access Points on the Lake.
  • Photo Gallery

For More information about Wisconsin Wolf including photos - &

Petenwell Lake offers GREAT fishing which attracts several LARGE fishing tournaments throughout the year including the spring Musky Tournament and a Walleye Tournament. You can find a wide variety of fish in Petenwell including Musky, Walleye, Largemouth Bass, Smallmouth Bass, Channel CatfishBigmouth Buffalo, Northern Pike and plenty of panfish.  Boating is great for most recreational or fishing boats. Sailing Regattas are popular as is swimming and camping. Many full time and part time people enjoy the beautiful wooded shoreline and the peace and quiet of all the public lands. Whether you have Deeded Access or actual Lakefront, your Waterfront Property or Log Cabin, is sure to provide you with years of enjoyment along both the Adams County or Juneau County sides of the lake.


Petenwell Flowage Pictures Northend & Southend


Petenwell Flowage Photo_______

Petenwell Lake Quick Specs:

  • Size 23,040 acres
  • Size with Islands 23,218 acres
  • Max Depth 44 feet deep
  • Average Depth Not Determined but the old river bed is about 44 feet deep, several 20 – 25 foot pockets and most of the shoreline is 3 – 5 feet.
  • Bottom of Petenwell. Mostly Sand & Rock


    Petenwell Lake WI Map

    View Petenwell Lake, WI. in a larger map

    Adams County | Waushara County | Wisconsin | Public Land

    Lake Petenwell Wisconsin