The Red River Gorge Climbers CoalitionAdvocacy group for the Red River Gorge, Kentucky. Includes access updates, event listing, area information, and classic routes.
http://www.verticaledgeclimbing.com/
Eight foot and twenty-four foot high portable climbing walls you can rent for parties, picnics, and other special occasions. Located in Durham, North Carolina.
http://www.toptotop.org
About an international, multidisciplinary group founded in Switzerland which plans expeditions to the seven summits, travelling between the summits by human-powered means including biking and sailing.
http://www.touchstoneclimbing.com/
Runs Ironworks in Berkley, Mission Cliffs in San Francisco, Pipeworks in Sacramento, and Class 5 in Marin and Touchstone locations in both Concord and San Jose. Offers full services rock climbing and fitness centers. Reciprocal membership agreements.
http://www.trainingforclimbing.com/
About the training and performance books by Eric J. Horst, including some additional material. Reviews.
http://www.treeclimbing.com/
Articles on tree care, equipment use, cat rescue, and other tree climbing issues. Discussion forum. Photos.