Adams County Parks
 The hub of summer activity can be found at Castle Rock and Petenwell County Parks, located on the respective flowages of the Wisconsin River. Both offer camping complete with electrical and water hookups, showers, flush toilets, and dump station. Semi-primitive tent sites are also available.
For rates and other information - "Click Here"
The large, clean beaches, boat landings and visitor hospitality have people coming back year after year. Both Castle Rock and Petenwell Lake can accommodate all types of watercraft, while the river below Castle Rock Dam makes for a most enjoyable canoe trip.
Wintertime is snowmobiling season, currently over 230 miles of state funded, well groomed trails twist through forest and farmland. Afterward, cozy accommodations and dining top off a perfect outing.
For further information contact the Adams County Parks/Recreation and Snowmobile Trails Department. Call (608) 339-4230 for 24-hour snowmobile trail reports.
"Click Here" for current snowmobile trail reports & info for Adams County Wisconsin
"Click Here" for current fishing report for Petenwell Flowage
"Click Here" for current fishing report for Castle Rock Lake
Petenwell Park Renovation and Expansion Project Completed!
Adams County Parks, Recreation and Snowmobile Trails Department has completed a $1.8 million expansion at Petenwell County Park.
This included a Harbor Refuge for 90 watercrafts, 1/2 for seasonal use, 1/4 for monthly use, and 1/4 for weekly and /or day use, new heated shower/restroom facility; new visitor/registration station with concession/game room; added paved parking lots with more space. Additional campsites currently being added, most with electricity. Petenwell County Park generates the most camper revenue of any county park in the State of Wisconsin.
 Castle Rock and Petenwell County Parks are undergoing new campsite design & restoration. Park stickers are required for day use of parks, not for campers. They have monthly rates for camping and boat slips. Access to sanitary dump station for watercraft is also available.
Petenwell County Park is open year-round with heated shower/restroom facilities. Lake Petenwell is the 2nd largest body of water in Wisconsin. This 431 acre park is on a beautiful lake, game room, designated swimming area, boat launch, playground equipment and hiking trails, heated showers and restroom facilities. Seasonal boat slip reservations will be accepted on a first come basis annually beginning January 1, by calling the Administration Office at 608-339-4230. Monthly, weekly, and daily boat slip rentals will only be accepted at the park, at the time of use. New at Petenwell Park: 115 newly developed campsites.
The park is located 17 miles northwest of Friendship. To get there, go nine miles north of Friendship on Highway 13, west 6.5 miles on County Trunk C, turn north on Country Trunk Z for 1/4 mile, and turn left and go 1/2 mile on Bighorn Drive. 2004 Bighorn Drive, Arkdale, WI 54613. (608) 564-7513.
Castle Rock County Park is open year-round. This 141 acre park is on the 4th largest body of water in Wisconsin. The park also includes a designated swimming area, boat launch, game room, playground equipment, heated showers and restroom facilities. Seasonal boat slip reservations will be accepted on a first come basis annually beginning January 1, by calling the Administration Office at 608-339-4230. Monthly, weekly, and daily boat slip rentals will only be accepted at the park at the time of use. New at Castle Rock Park: Office/Visitor Registration Building with Game Room, Heated Shower/Restroom Facility.
The park is located 11 miles southwest of Friendship. To get there, go 3 miles south of Friendship on Highway 13, west 7 miles on County Trunk F, and south 1 mile on County Trunk Z. 2397 Hwy. Z, Rt. 2, Friendship, WI 53934. (608) 339-7713.
Both of the above parks are designated unload/load areas for snowmobiles.
Outlying County Parks include: Easton Pond County Park, Lake Arrowhead County Park, Lake Camelot County Park, Lake Mason County Park, and Patrick Lake County Park. Shelter rentals available at Lake Arrowhead and Patrick Lake County Parks. These County Parks are open May 1 till November 1.
All other Public Water Accesses are open all year round! | 
