Geohikes - For geocachers who hike. Detailed routes and route guideline, all of various lengths so there should be something for everyone. - http://www.geohikes.co.uk/
Hillscape: Geocaching & GPS - Explanation and details of three geocache locations in Mid Wales. - http://www.wales-walking.co.uk/geocaching.htm
Chris n Marias Geocaching Homepage - Includes a guide to caching in London, cache camera galleries and a section on London Coal Tax posts. - http://www.fabalou2dsl.clara.net/
Geocaching in the UK and Ireland - Statistics and chat, trigpointing section and interactive cache map of the UK. - http://geocache.co.uk/