Mt. Aconcagua Nature Reserve - Official site for the park includes camping, climbing, environmental and rescue information, plus listings for guides and mule services. - http://www.aconcagua.mendoza.gov.ar
Claude Seebach's Chile Climbing Page - Guide to sport climbing and mountaineering in Chile, including the volcanos and the Andes. List of gear shops. (Chile) - http://www2.ing.puc.cl/~cseebach/mountain/andes.en.html
Go Chile Activities - Background information and history on sport climbing in Chile. List of areas. (Chile) - http://www.gochile.cl/Activ/escalada.asp
Mount Aconcagua - Records and statistics. Advice on climbing the mountain. Route information in Spanish only. Photos. (Aconcagua, Argentina) - http://www.aconcagua.org/
Climbing in Chile - New route information. Information with directions and photos for rock, ice, and alpine areas, plus the volcanoes. General information on climbing in Chile with overview maps. - http://www.escalando.cl/pag.htm