ACCA is a nonprofit environmental organization whose members, activities and proceeds are dedicated to the conservation of caves and related resources across the nation and around the world.
Bureau of Land Management
A sister Department of Interior agency, the BLM manages cave and karst resources within eleven states. Information on their cave and karst program can be found at this website.
Cave Research Foundation
A private, non-profit organization dedicated to facilitating research, management and interpretation of caves and karst resources forming partnerships to study, protect and preserve cave resources and karst areas promoting the long term conservation of caves and karst ecosystems
CaverNet is a privately maintained web-site which includes many cave, karst and caving links from all over the United States and other countries. It is dedicated to advancement and enjoyment of cavers throughout the world.
Caver's Multi-Lingual Dictionary
This is the International Union of Speleology on-line multi-lingual dictionary of caving and speleological terms. It is a living dictionary that is constantly being added to and tuned as an International joint effort among cavers. Everyone is invited to participate - this could range from just correcting a misspelling to contributing a whole new language.
An all-inclusive site for Canadian caving, karst and bats, which includes links such as: What is Karst?, Caving Groups in Canada, Canada's Longest and Deepest caves, Cave Science, Cave Rescue, Tourist Resources, Caving Publications, Cave Related Art and other Cave Related Documents
Hidden River Cave and American Cave Museum
Kentucky's official karst museum showcases the natural history of caves.
International Union of Speleology
The Union Internationale de Spéléologie (UIS) is the international body for caving and speleology. Formed in 1965, its voting members consist of a delegate from each member country. This delegate represents the country's cavers and speleologists, rather than its national body(s). An elected Bureau runs the affairs of UIS between the 4-yearly General Assemblies held at the International Congresses. The actual speleological work of UIS is done by the members of its Commissions and Working Groups, which are open to everyone who is interested.
Karst Information Portal
The Karst Information Portal is an open-access digital library linking scientists, managers, and explorers to quality information resources in order to inform research, to enhance collaboration, and to address policy decisions concerning karst environments.
Karst Waters Institute
The Karst Waters Institute (KWI) is a 501 (c)(3) non-profit institution whose mission is to improve the fundamental understanding of karst water systems through sound scientific research and the education of professionals and the public.
Long and Deep Caves Lists
This site is home to regularly maintained lists of the longest and deepest caves in the USA and world.
National Cave and Karst Research Institute (NCKRI)
The National Cave and Karst Research Institute (NCKRI) is a non-profit government-supported institute headquartered in the City of Carlsbad, New Mexico. Its goals are to conduct, support, facilitate, and promote programs in cave and karst research, education, environmental management, and data acquisition and sharing.
National Caves Association
This site provides a directory of caves open to the public.
National Speleological Society
Welcome to the National Speleological Society (NSS)! With over 10,000 members and 250 grottos, the National Speleological Society does more than any other organization to study, explore, and conserve cave and karst resources;protect access to caves;encourage responsible management of caves and their unique environments;and promote responsible caving.
A scientific network promoting scientific research and cooperation in karst hydrogeology with a special emphasis on speleogenesis.
US Forest Service Cave and Karst Resources
An agency within the Department of Agriculture, the US Forest Service manages cave and karst resources in over 100 national forests. Information on their cave and karst program can be found at this website.
The central location where the North American interagency response to White-Nose Syndrome (WNS) posts the most up-to-date WNS decontamination procedures.
Wild Places Publishing (Caving and cavers in the U.K.)
An all inclusive site for the United Kingdom which includes: Descent magazine, links to Caving Clubs, Caver Directory, Caving Diary, UK Caving Shops, Cave Photography, UK Weather, Cave Art, UK Showcaves, Caving Notice Board, Cave Rescue, Cave Conservation, Caver Pubs, Caving Links, Caver Accommodation, and a section for caving novices.