Geocaching is a relatively new outdoor activity, geochaching is a search for small, waterproof containers full of "treasures". What makes the search unique is that the containers, called "caches", are found using the Global Positioning System, "GPS". Caches are placed anywhere in the world by participants and their exact geographic coordinates are published on the Internet. Other participants obtain the coordinates and other information from the internet and, using handheld GPS receivers, the find the caches, write in a logbook contained therein. Geocachers and are free to take objects from the cache, in exchange for leaving something in return.
Geocaching is growing rapidly all over the world.
See also: letterboxing