Canyons Worldwide: Earth's Mystical Grand Canyons: Mexico, Tibet, USA, Australia, Greece, Bolivia. We explore, document, and publish information on canyons worldwide. We specialize in Mexico's Copper Canyon; the Yarlung Tsangpo in Tibet, the earth's deepest valley; canyons of Australia, Europe, France, Spain Greece, Bolivia, China; and extensive coverage of canyons in the USA.

Information on canyoneering and canyons in the Colorado Plateau. Promoting the the sport of canyoneering and keeping it safe with guidebook updates, gear and book reviews, current canyon weather conditions and news, canyon ecology and biology, and an open-forum discussion group. Canyoneering.com promotes environmentally sound canyoneering practices.

The official web site of the American Canyoneering Association. A non-profit organization established to promote safety, responsibility and ethics in American canyoneering, and to promote constructive communication among an international community of canyoneering, canyoning and slot canyon enthusiasts.

One week or longer cost-shared whitewater rafting, backpacking, and foreign trips organized by Phoenix couple and their network of self-reliant friends.

Discover Bolivia. Tupiza. Near Uyuni salt lakes and Potosi. Ideal for backpackers, adventurous travellers, ecotourism. Photos, pictures and information about travelling in Bolivia.