Geocaching

2000hobby / online communityclassic

Geocaching is a GPS-powered outdoor treasure hunt where players hide waterproof containers called caches and share coordinates online for others to track down. Launched in May 2000 after the U.S. military unscrambled civilian GPS signals, it grew from a Usenet experiment in Oregon into a worldwide hobby coordinated through Geocaching.com.

Overview

Geocaching is an outdoor scavenger hunt built on consumer GPS receivers and a shared online database of hiding spots1. Players called geocachers use an app or handheld GPS unit to hike to a set of coordinates, locate a waterproof container, sign the paper logbook inside, and often swap a small trinket before putting the cache back exactly where they found it1.

The caches themselves range from film canisters magnetically clipped under park benches to five-gallon buckets buried in the woods, and each hide is logged online with clues, difficulty ratings and terrain scores5. The commemorative plaque at the original hide site sums up the etiquette that shaped the hobby, asking finders to sign the logbook and record their visit as Dave Ulmer originally proposed5. Urban Dictionary has captured the mix of earnest fandom and self-deprecating humor around geocaching, describing it as using a multi-billion dollar satellite system to find plastic boxes in the forest6.

How It Spread

Geocaching.com quickly turned a Usenet thread into a coordinated hobby, offering searchable maps, cache-hide instructions and player profiles under Groundspeak's stewardship2. Groundspeak, headquartered in Seattle, still frames its mission as inspiring outdoor adventure, exploration and community around the game7. The site adds a free account requirement and encourages new players to download the official app or bring a GPS device and a pen before heading out to sign logs1.

The hobby drew comparisons to letterboxing, a 19th century British tradition where hiker James Perrott left a bottle with his calling card at Cranmere Pool in Dartmoor in 1854 and later travelers stashed rubber-stamped boxes along the moors3. Letterboxing had barely reached the United States before geocaching arrived, though Fox News covered how a New England educator introduced it to schoolchildren in the 1990s and about 1,500 boxes were hidden across American wilderness by the early 2000s8. GPS gave the same idea a digital backbone, and cachers marked the original Oregon site in 2006 with the Original Stash Tribute Plaque maintained by volunteer sonorazark on land owned by Port Blakely Tree Farms5.

By 2012, geocaching was a fixture on Instagram, YouTube, Twitter and Tumblr, with the official Facebook fan page passing 205,000 likes and a community wiki called Cacheopedia hosting player-written guides since May 20053. Official iPhone and Android apps replaced dedicated GPS units for most casual players, and Groundspeak added logging, trackables and premium memberships to keep the game funded3.

How to Use This Meme

To play geocaching, sign up for a free account on Geocaching.com or in the official Geocaching app, then browse a map of nearby caches1. Users typically pick a cache by difficulty and terrain rating, hike to the listed coordinates, and search the immediate area, since GPS accuracy still leaves several meters of guesswork1. When you find the container, sign and date the paper logbook, optionally swap a small item of equal value, hide it again exactly as you found it, and post an online log with photos back on the site1.

Frequently Asked Questions