Free of charge.
Wikipedia https://en.wikipedia.org/wiki/Lincoln_Park#North_Pond
Official website http://www.lincolnparkconservancy.org/about_the_north_pond.html
Facebook https://www.facebook.com/pages/North-Pond-Nature-Sanctuary/102649893115836?sk=timeline
Phone +1 (773) 883-PARK
Address (Unnamed Road), Chicago 60614, United States
Coordinates 41°55'40.859" N -87°38'10.692" E