Geocaching is a type of scavenger hunt for waterproof containers bearing treasure using the containers' exact geographic coordinates and Global Positioning System devices.

The Rules

This growing outdoor sport has a simple set of rules, making it easy for anyone to play. The challenging part is finding the cache. Some caches have even been planted on mountainsides and underwater!
Once geocachers find a cache, they follow these basic rules:
  1. fill out the logbook
  2. take something out of the cache
  3. put something in the cache
  4. return the cache to the exact position and condition in which it was found
Caches typically consist of a waterproof container discreetly placed within the local terrain. The container will include a logbook and any number of more or less valuable items such as toys, books, money, jewelry, trinkets, etc. You never know what the founder or other visitors of the cache may have left for you to enjoy. Be sure to fill out the logbook with the date and time you visit the cache and leave something in return.



Traditional Caches

This is the original cache type consisting of (at a bare minimum) a container and a logbook. The cache may be filled with objects for trade. Normally you'll find a Tupperware-style container, ammo box, or bucket filled with goodies, or smaller container ("microcache") too small to contain items except for a logbook. The coordinates listed on the traditional cache page are the exact location of the cache. A container with just an object or codeword for verification, and no logbook, generally, does not qualify as a traditional cache. Caches that require the geocacher to do something beyond finding the container and signing the logbook generally do not qualify as traditional caches.

Mystery or Puzzle Caches

The "catch-all" of cache types, this form of cache often involves complicated puzzles that you will first need to solve in order to determine the coordinates. The information needed to solve the puzzle must be available to the general caching community and the puzzle should be solvable from the information provided on the cache page. For example, a puzzle that requires research on public websites in order to determine the coordinates may be acceptable, while a puzzle that requires sending an e-mail to the cache owner with the solution in order to obtain the coordinates may not be. For many caches of this type, the coordinates listed are not of the actual cache location but a general reference point, such as a nearby parking location. Unless a good reason otherwise can be provided, the posted coordinates should be no more than 1-2 miles (2-3 kilometres) away from the true cache location. This allows the cache to show up on the proper vicinity searches and to keep the mileage of Trackables that find their way into the cache reasonably correct.

Event Caches

Event caches are gatherings that are open to all geocachers and which are organized by geocachers. While a music concert, a garage sale, an organized sporting event, a ham radio field day or a town’s fireworks display might be of interest to a large percentage of geocachers, such events are not suitable for submission as event caches because the organizers and the primary attendees are not geocachers. In addition, an event cache should not be set up for the sole purpose of drawing together cachers for an organized hunt of another cache or caches. Such group hunts are best organized using the forums or an email distribution list.

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