• K-Bear River Adventures Offers guided white water rafting on the Salmon River in Idaho.

• K-Trekking Tour Offers adventure and trekking tours including cultural and motor trail biking in the Chiang-Mai area of Thailand.

• K2 Aviation and Adventures Climbing expedition information, flightseeing tours-including glacier landings, and adventure packages.

• Kahurangi Guided Walks Guided wilderness treks in Kahurangi and Abel Tasman National Parks for all levels of fitness and experience.

• Kai Nalu Surf Tours Excursions encompassing the islands of Maui and Oahu.

• Kai Travels Conducts cultural and adventure tours throughout India and the Himalayan region.

• Kaibab Mountain/Desert Bike Tours Mountain biking in Moab, Canyon Country, National Parks, and other destinations.

• Kakadu Australia Offers 4WD camping safaris in Australia's Kakadu National Park.

• Kakadu Down Under Safari Tours Offers four-wheel drive camping safaris in Kakadu National Park.

• Kalahari Safaris Offers game viewing safaris in the Kalahari of one to nine day durations.

• Kalifonsky Lodge & Guide Service Alaska king and silver salmon sportfishing, lodging, and guide service for the Kenai and Kasilof River.

• Kalinga Travel Adventure (KTA) Offers adventure, outdoor, and eco-travel expeditions in the Luzon, Visayas, Palawan, and Mindanao regions of the Philippines.

• Kalypso Adventures Features trekking, biking, canoeing, wildlife tours, and other outdoor adventures in Kerala, India.

• Kamanu Sailing snorkel tour on a custom designed catamaran off the Kona Coast of the Big Island of Hawaii.

• Kanata Adventure Specialists Offers journeys throughout British Columbia and the Yukon featuring horseback riding, canoeing, sea kayaking, dogsledding, snowshoeing, and more.

• Kanguk Caribou Outfitters Offering guided caribou hunting and arctic char fishing on Deception Bay in Northern Quebec.

• Kansas Trophy Whitetails, L.L.C. Offers turkey and deer hunts in Kansas and Nebraska.

• Kantishna Air Taxi Alaska aircraft charter operator based within Denali National Park offering flightseeing tours plus custom air charter flights throughout the state.

• Kapil Tours & Travels Offers Palace on Wheels tours from Delhi to Rajasthan, India.

• Karakorum Explorers Offers trekking, jeep safari, mountain climbing, and cultural tours in Hindukush and Himalaya.