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Geocaching is a widely popular, high-tech game of outdoor treasure hunting in which participants use a Global Positioning System (GPS) receiver or other navigational techniques to hide and seek containers called "geocaches" or "caches." A typical cache is a small waterproof container containing a logbook and "treasure," usually toys or trinkets of little value.

It's important that geocachers respect property rights and seek permission where appropriate. Some public land agencies, including Montana Fish, Wildlife & Parks, require that geocachers obtain a permit before placing a cache on agency-managed land.

Other reminders for geocachers:

  • Minimize impact on the environment, including wildlife nesting and breeding areas.
  • Don't put yourself or others at risk by placing a cache in a dangerous location.
  • Observe all laws and rules of the area.

The Official Global GPS Cache Hunt Site

Learn about the history of geocaching, how to hide a cache, how to find a cache, terminology, buying a GPS unit, and much more. Learn more