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Geocache Types

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Traditional Cache

This is the original geocache type consisting of, at minimum, a container and a log book or logsheet. Larger containers generally include items for trade. “Nano” or “micro” caches are tiny containers that only hold a logsheet. The coordinates listed on the traditional cache page provide the geocache’s exact location.

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Multi-Cache (Offset Cache)

A Multi-Cache ("multiple") involves two or more locations. The final location is a physical container. There are many variations, but most Multi-Caches have a hint to find the second cache, and the second cache has a hint to the third, and so on. An offset cache (where you go to a location and get hints to the actual cache) is considered a Multi-Cache.

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Project A.P.E. Cache

In 2001, fourteen geocaches were placed in conjunction with 20th Century Fox to support the movie Planet of the Apes. Each cache represented a fictional story in which scientists revealed an Alternative Primate Evolution. These caches were made using specially marked ammo containers. Each cache had an original prop from the movie. Only one Project A.P.E. cache still exists today.

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Mystery or Puzzle Caches

The "catch-all" of cache types, this form of geocache may involve complicated puzzles that you will first need to solve to determine the coordinates. Mystery/Puzzle Caches often become the staging ground for new and unique geocaches that do not fit in another category.

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Letterbox Hybrid

Letterboxing is another form of treasure hunting using clues instead of coordinates. In some cases, the letterbox owner has made their container both a letterbox and a geocache and posted its coordinates on If there is a stamp inside a Letterbox Hybrid, it is not an item intended for trade; the stamp is meant to remain in the box so that visitors can use it to record their visit. To read more about letterboxing, visit the Letterboxing North America web site.

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Wherigo™ Cache

Wherigo is a toolset for creating and playing GPS-enabled adventures in the real world. By integrating a Wherigo experience, called a cartridge, with finding a cache, the geocaching hunt can be an even richer experience. Among other uses, Wherigo allows geocachers to interact with physical and virtual elements such as objects or characters while still finding a physical geocache container. A Wherigo-enabled GPS device is required to play a cartridge. Learn more at

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Event Cache

An Event Cache is a gathering of local geocachers or geocaching organizations to discuss geocaching. The Event Cache page specifies a time for the event and provides coordinates to its location. After the event, the cache is archived.

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Mega-Event Cache

A Mega-Event cache is an Event Cache that is attended by 500+ people. Mega-Events offer geocachers a day of planned activities. There are often several days of additional activities surrounding a Mega-Event. These large events attract geocachers from all over the world and are often held annually.

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Cache In Trash Out Event

Cache In Trash Out is an activity intimately tied to geocaching. While searching for caches, geocachers collect litter along the trails and properly dispose of it. Cache In Trash Out Events are larger gatherings of geocachers that focus on litter clean-up, removal of invasive species, revegetation efforts or trail building.

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An EarthCache is a special place that people can visit to learn about a unique geoscience feature of our Earth. EarthCache pages include a set of educational notes along with cache coordinates. Visitors to EarthCaches can see how our planet has been shaped by geological processes, how we manage its resources and how scientists gather evidence to learn about the Earth. For more information about EarthCaches, visit

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Groundspeak Headquarters Cache

The Headquarters Cache is located at Groundspeak HQ in Seattle, WA. Geocachers interested in visiting HQ to log the cache should send an email to

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GPS Adventures Maze Exhibit

A GPS Adventures Maze Cache represents attendance at the GPS Adventures Maze Exhibit or a regional variation of this Exhibit. GPS Adventures Mazes are designed to teach people of all ages about GPS technology and geocaching through interactive science experiences.

Geocaching Challenges

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Go somewhere, do something. That is the basic idea behind Geocaching Challenges. You might be challenged to hike the Inca Trail to Machu Picchu, sing a song in the middle of Times Square, or take a picture of yourself walking through the Brandenburg Gate in Berlin. Challenges are not technically geocaches, but you do earn a smiley for completing them. Read more in the Geocaching Challenges FAQ or learn about Challenge types.

Grandfathered Cache Types

These are cache types that are no longer available for creation on Visit the Waymarking web site for other GPS hunting activities.

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Virtual Cache

A Virtual Cache is about discovering a location rather than a container. The requirements for logging a Virtual Cache vary—you may be required to answer a question about the location, take a picture, complete a task, etc. In any case, you must visit the coordinates before you can post your log.

Although many locations are interesting, a Virtual Cache should be out of the ordinary enough to warrant logging a visit.

Virtuals are now considered waymarks on

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Webcam Cache

These are caches that use existing web cameras placed by individuals or agencies that monitor various areas like parks or business complexes. The idea is to get yourself in front of the camera to log your visit. The challenging part is that you need to call a friend to look up the web site that displays the camera shot. You will need to have them to save the picture in order to log the cache. If you’re a tech-head you could save the image yourself by using a wireless modem and a laptop.

Webcam caches are now in the Web Camera category on

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10 Years! Event Cache

A 10 Years! Event Cache is a special Event Cache type for events held April 30 - May 3, 2010 to celebrate 10 years of geocaching.

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Locationless (Reverse) Cache

A Locationless Cache could be considered the opposite of a Traditional Cache. Instead of finding a hidden container, you locate a specific object and log its coordinates.

Locationless caches have evolved into Waymarking.