Here's some pictures from past visits
http://milwaukeesketchclub.
http://milwaukeesketchclub.
http://milwaukeesketchclub.
http://milwaukeesketchclub.
Here's the directions:
Phantom Glen Park From hwy I43, take 83N, Left at Front St., Right onto ES (Main St.), 1 block to Left on Andrew St. Follow to end. Park is on your left.
http://www.villageofmukwonago.
Park not on google so here's a Link to Andrews Street, Mukwonago https://www.google.com/maps/place/Andrews+St,+Mukwonago,+WI+53149/@42.8581355,-88.3366991,17z/data=!4m2!3m1!1s0x8805bd5a76b17fb5:0x49ce0c00c62716fd