Representing cavers from around the world with working groups devoted to protection and management, research, documentation, exploration and education. Includes calendar, abstracts, vacancies, history, guidelines and standards.

Crew is dedicated to exploration, surveying and preservation. Includes trip reports, field notes, databases, photos and contacts.

Located in Ankara, Turkey and a member of the Union of International Speleology. Promotes exploration and conservation. Includes meeting and contact information. [Turkish and English].

Encourages and facilitates the systematic collection and use of karst and related data on an international basis with working groups devoted to survey and mapping, caver's dictionary and data exchange format. Includes calendar, newsletter, software, d...

ISSA's aim is to promote the artistic interpretation of caves and karst landscape. Membership, galleries, contact, activity and background information.