Geocaching - The Official Global GPS Cache Hunt Site ( Click on link at top of the page)
Caches range from just hidden behind a tree on a bridleway to ones requiring specialist knowledge or skills e.g Rockclimbing or even Scuba Diving , Every 'Cache' has a difficulty rating set by its owner determined from a question sheet about the cache and its location.
Its great fun give it a go !!!!
Garmin Venture 10000+ waypoints plus info
