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How to Use a GPS to Find a Geocache

A Global Positioning System (GPS) is a navigation aid used by people all over the world to get accurate, up-to-date maps and surveys. The invention of personal GPS units in 1996 spawned the creation of one of the latest outdoor sports, geocaching. In geocaching, participants are encouraged to use GPS devices to locate the coordinates of hidden caches, both for the challenge of the hunt and the possibility of prizes at the end of the game.

Things You'll Need

GPS unit
Conventional map

Instructions

- 1
  Start by reading the owner's manual for the GPS unit (bring it along with you when you go geocaching), and get some practice using it. A local park you've visited before is a great place to practice your GPS skills without making you feel disoriented or pressured.
- 2
  Download or input the coordinates of the geocache into the GPS unit. You can get coordinates from a geocaching website like Geocaching.com (see Resources below).
- 3
  Use the GPS to get a route to the cache location. Once you get to the general location, the GPS can usually guide you to within about 50 feet of the actual cache. From that point, you'll set out on foot to physically explore the location until you find the cache.
- 4
  Use your GPS alongside a conventional map for increased effectiveness during the hunt. On occasion, your GPS may not bring you any closer than 1,000 feet from the object of your search. In that case, or if the batteries in your GPS unit fail or satellite communication becomes scrambled, you'll still have your map to rely on.
- 5
  Take a minute to program the coordinates of a familiar landmark before you set off on foot in search of a cache. Once you've found the cache, you can use the programmed coordinates in the GPS unit to guide you back to your campsite or car.

Geocaching