AbseilUK.com
Offers a range of abseiling into the 120ft Devil's Gorge, in the Loggerheads Country Park in the Clwydian Hills; includes details of sessions and tuition, prices, booking, and contacts.
Basejumper.org
Offering a UK forum for discussion dedicated to base jumping enthusiasts.
BBC: Red Bull Cliff Diving
Providing official reports, images and an explanation of the sport of cliff diving with details of the 2012 Pembrokeshire world championshipss.
ExElement
Offers gift vouchers for extreme sports courses and outdoor activities in the UK.
Extreme Dreams
A collection of resources on extreme sports, based around the adventures of a registered blind enthusiast and adventurer. Includes a directory of links.
Extreme Sports Channel
Official site of the UK based Extreme Sports Channel. Site offers event coverage, a schedule of programming, video clips, and message boards.
Huck Magazine
Bi-monthly lifestyle magazine rooted in surf, skate and snowboarding.
May Contain Nuts
Social networking site for extreme sports participants and fans.
Questars Adventure Race Series
Organises a programme of events covering trail running, mountain biking and optional kayaking stages; includes a schedule, news and results, and how to enter.
Street Luge UK
Governing body of UK streetluging. Contains background information on the sport, which involves lying on a luge board on a downhill track. Also includes photos and video and information on a long established UK series at Gurston Down, Wiltshire.
TMBS
Forum for all mountain boarders and bikers based in the UK.