Welcome to UNDERGROUNDSPEAK (UGS) the official underground cache hunt site. UGS is the documented exploration of things afield, mostly geocaches, using location based mobile applications. Primary exploration is conducted with Groundspeaks Geocaching.Com Application on an Android 2. To view team UNDERGROUNDSPEAK’s latest discoveries and topics of interest to the geocaching community, navigate to the Cache Afield section of our site.
Disclaimer: Documented discoveries may include spoiler images. Care is taken not to photograph tracking numbers on traveling items/geocoins.
