Geocaching is an outdoor treasure hunt using GPS or mobile phones.
Links to national and international organisations promoting geocaching and supporting people to get involved.
CITO Cache In Trash Out
Annual weekend promoting environmental respect & litter picking while geocaching – removal of invasive species, re-vegetation & building trails. By Groundspeak (Geocaching HQ).
An Earthcache is a virtual cache designed to draw attention to and explain an interesting or significant geological feature. From the Geological Society of America.
Geocaching Association of GB
UK point of contact for geocachers, landowners, the media and others with an interest in geocaching. Codes of conduct, help & support etc.
The starting point for GPS-guided treasure hunts: log in, seek and find a cache near you, sign the log book, maybe find or leave a trinket.
Aims to improve the accessibility of geocaching for disabled people all over the world by rating caches on their accessibility.
Physical locations marked by coordinates (latitude/longitude) with interesting information available online. Log your visits/create your own scavenger hunts. From Groundspeak (Geocaching HQ).