Castle Rock County Park 0 By Anonymous Event Submission on January 4, 2017 Loading Map.... Castle Rock County ParkN6700 22nd Ave - MaustonEvents 43.8876135 -89.97551279999999 Address N6700 22nd Ave Mauston Juneau County WI 53948 United States Upcoming Events No events in this location Share. Twitter Facebook Pinterest LinkedIn Tumblr Email