A Connecting Thread
Offers theme-based activity retreats and sports outings, including hiking, skiing, and cycling, and canoeing in Virginia and surrounding areas.
http://www.aconnectingthread.com

Adventure Training Consultants
Provides camps for women in outdoor skills, mountain climbing in Southern California, corporate team building, surf camps and land navigation. Free newsletter.
http://www.adventuretrain.com/

Adventure Travel Base Camp
The internet basecamp for adventure travel. Find discount tickets and gear. Get travel ideas, comments, reviews.
http://www.eKibo.com

Alacran Surf Tours
Specializing in surf travel in Costa Rica. Also offers eco-tours of sportfishing, jungle canopy, river rafting, kayaking, snorkeling, scuba diving, horseback riding. Includes photo gallery and destination information.
http://www.alacransurf.com

Alpine Adventure Sports
Offers programs in paragliding, white water rafting, rock climbing and mountain biking. Summer and winter programs available. Offers free brochures, accommodation information and photo gallery. Located in Annecy, France.
http://www.paraglidingholidays.com/

Eastern Outdoors
Summer tour operator offering whale watching, sea kayaking, canoeing and biking. Describes all activities and locations.
http://www.easternoutdoors.com/

Evolution 2
Adventures schools located in Tignes, Val d'Isere, Montchavin La Plagne, Chamonix, La Rosiere, Cote d'Azur and Pays Basque. Skiing, canyoning, rafting, tubing. Free brochures. In English and French.
http://www.evolution2.com

Intrepid Travel
Offers a variety of active tours to Asia, Africa, Antarctica, Australasia, Europe, the Middle East, Latin America and North America, including expeditions.
http://www.intrepidtravel.com/

Jeju Eco Travel
Provides walking, scuba, golfing and multi-sport tours of Jeju Island in South Korea.
http://jejueco.com/

Jeju Island Eco-Tourism Project
Eco-tourism operator on Jeju, also providing a wealth of information about the island and its attractions. [Korean, English, Japanese, Russian]
http://jejueco.com/

Kanata Adventure Specialists
Authentic and natural Canadian wilderness adventures that include canoeing, sea kayaking, hiking, mountain biking and whale watching. Located in Clearwater, British Columbia. Virtual tour, free brochures and photos.
http://www.canadian-adventures.com

Kepplewray Centre - Cumbria
An outdoor activity centre in the heart of the English Lake District. Kepplewray specialises in inclusive holidays and field study courses (catering for groups and families where some of the members have disabilities)
http://www.kepplewray.org.uk

Lewis and Clark Trail Adventures
Offers a variety of guided interpretive trips along the Lewis and Clark Trail in both Montana and Idaho. Canoe the Upper Missouri, hike or bike the Lolo Trail and raft the Main Salmon, Lochsa or Clark Fork Rivers.
http://www.trailadventures.com/

Rugged Elegance
Information and upcoming events from this agency offering educational, outdoor adventures.
http://www.ruggedelegancetours.com

Space Adventures
Space, and space-related adventure travel and tourism: from space camps and astronaut training to actual flights into space.
http://www.spaceadventures.com

The Argonauts
Offers real-time expedition information, a travelogue section, and other facts for planning adventures.
http://www.theargonauts.com

TrekAmerica
Offers camping, walking and lodging tours.
http://www.trekamerica.com/

TrekAmerica Adventure Travel and Tours
Offers year-round programmes and tours including adventure camping, lodging and hiking tours in the USA, Canada, Alaska, Mexico, Guatemala and Belize.
http://www.trekamerica.com/