» Aconcagua Adventures    Aconcagua mountain climbing and logistical support for groups attempting to summit or trekking to its base camps. Schedules and tips.    http://www.aconcaguaadventures.com

» Aconcagua Expediciones    Guided expeditions to Mt. Aconcagua by Heber Orona. Trekking, advise, base camp services, guides, mules. Scheduled departures.    http://www.aconcagua.ws/

» Aconcagua Expeditions    Climbing and trekking expeditions and logistical support at Mt. Aconcagua. Information on statistics, routes, weather and medicines    http://www.aconcaguaexpeditions.com/

» Aconcagua Spirit    Expeditions and trekking in Aconcagua and other Andes mountains. Special programs. Expeditions support. All services: mules, guides, lodgings and transfers. Description and prices.    http://www.aconcaguaspirit.com.ar

» Alternativa Salta    Guide offering active tourism in the north of Argentina: Salta, Cachi, Antofagasta, Cafayate, Humahuaca, Iruya, Jujuy, Route 40 to Mendoza and Iguazu-Ibera. 4x4, overland, rafting, horseback riding and trekking. Trip descriptions.    http://www.alternativasalta.com

» Andes Off Road    4x4 travel in the Andean Puna, Northern Argentina. Expeditions in Mts. Pissis and Ojos del Salado, the highest volcanos in the world. Scheduled departures and services.    http://www.andesoffroad.com.ar/

» Andesport    Expedition, climbing and guide services in mount Aconcagua. Hotels, transportation, services at base camp, mules.    http://www.andesport.com

» Argentine Wonders    Describes places for adventure travel. Offers tours from two companies in Aconcagua and Perito Moreno.    http://argentineanwonders.netfirms.com

» Aventuras Patagonicas    Guided climbing expeditions to Mt. Aconcagua. Trekking trips at Patagonia: Torres del Paine and Mt. Fitz Roy. Trip descriptions, schedules and rates. Based in Boulder, CO, USA.    http://www.patagonicas.com

» Canal Fun    Adventure tours in Tierra del Fuego and Ushuaia. Rowing, sailing in zodiac, hiking, forest lunches, 4x4 tours. Tailor made and corporate trips. Requires Flash    http://www.canalfun.com/

» Condor Paragliding Adventure    Paragliding tours in Cordoba, La Rioja and San Luis. Includes transportation, accommodation, meals and guide. Scheduled departures and references. Based in Cordoba.    http://www.condorparagliding.com.ar/

» El Suri 4X4    4WD adventure and overland tours in the Northwest: Salta, Jujuy, Antofagasta, Tucuman, Cachi, Route 40. Mountain bike at Catamarca. Itinerary descriptions and services. Based in Tucuman.    http://www.noroesteaventuras.com.ar

» Inka Expeditions    Climbing and trekking guided trips at Mt. Aconcagua. Includes trip information, logistic services, guide biographies and customer comments. Based in Mendoza.    http://www.aconcagua.org.ar

» Karen Travel    Excursions and expeditions to caves (Caverna de Las Brujas) and volcanic zones (Payunia Reserve) in Malargüe, Mendoza. Ecological tourism. Trekking, climbing and horse riding.    http://www.karentravel.com.ar/

» Movitrack    Adventure safaris, 4WD trips, overland and rafting at Salta, Jujuy, Cachi, Cafayate, San Antonio de los Cobres, Humahuaca, Purmamarca and Valles Calchaquies. Schedules and prices. Private trips. Based in Salta.    http://www.movitrack.com.ar

» Norte Trekking    Local guide offering trekking, expeditions in 4x4, rafting and horseback riding in Argentina Northwest (Salta, Cachi, Cafayate, Antofagasta, San Antonio de los Cobres, Catamarca, Tucuman), Atacama Desert (Chile) and Uyuni (Bolivia). Based in Salta.    http://www.nortetrekking.com/

» Patagonia Adventure Trip    Offering trekking and discovery tours, with itineraries, online reservations, and testimonials. Offices in Buenos Aires and Chalten.    http://www.patagoniaadventuretrip.com

» Posada La Bonita    Lodge in the jungle of Misiones close to Mocona falls. Ecotourism, hiking, horseback riding, mountain biking, canoeing and fishing. Prices.    http://www.posadalabonita.com.ar/

» San Juan Adventure    Guided expeditions to mounts Aconcagua and Mercedario. Activities in San Juan, Argentina, including rafting, climbing, and mountain biking. Trip descriptions and schedules.    http://www.donmercedario.com.ar

» Socompa    4x4 overland guided tours in Northern Argentina: Salta, Cachi, San Antonio de los Cobres, Jujuy, Humahuaca, Purmamarca, Tilcara, Iruya, La Quiaca. Itinerary descriptions, departure dates, services and prices. Based in Salta.    http://www.socompa.com

» Stirtloe Adventure Treks    Independent UK based company with family ties in Argentina offering adventure trekking across the Andes with a historical focus. Itinerary description.    http://www.stirtloe-adventure-treks.com

» Trek Patagonia    Hiking and climbing in Northern Andes at Bariloche. Rock climbing lessons, programs with different difficulty levels. All year schedules and prices.    http://www.trekpatagonia.com/

» iExplore    Hiking, horseback riding, and mountaineering trips from different tour operators. Overview of Argentina, traveler stories, tips, custom built trips.    http://www.iexplore.com/qmap/Argentina