Geo-caching is an international activity. There are caches currently located in our Lake County Parks. If you would like to know more, go to www.geocaching.com. Type in the Crown Point zip code (46307) into the "locate" box and you will see these caches and more. Each cache has been placed with the approval from the property manager. Oak Ridge Prairie, Stoney Run, Buckley Homestead and Erie lackawanna Bike Trail.