Events. Geocaching. Geocaching /ˈdʒiːəˌkæʃɪŋ/ is an outdoor recreational activity, in which the participants use a Global Positioning System (GPS) receiver or mobile device and other navigational techniques to hide and seek containers, called "geocaches" or "caches", anywhere in the world.
History This is where the very first Geocache was placed by Dave Ulmer, 360° panorama view WikiMiniAtlas 45°17.460′N 122°24.800′W / 45.291000°N 122.413333°W / 45.291000; -122.413333. Houston GeoCaching Society. Geocaching - The Official Global GPS Cache Hunt Site.