Photographs of and information about this system in West Virginia.

Details of the Imperial College Caving Club expedition to the Bougoumez Valley, High Atlas Mountains, Morocco

Information about caving expeditions by BUSS. Includes sections on Slovenia, Pierre Saint-Martin and the UK.

An alliance of experienced cavers and cave divers dedicated to exploring and documenting caves in the Yucatan. Gallery, papers, training, safety, equipment guides, projects and cave formations.

Information on the Trieste caving region spanning Italy, Slovenia and Croatia.

Information about caves and caving areas across Sweden.

An extensive to the caves of Jamaica. Geography, geology, photos, descriptions and a downloadable caves database.

This site describes some of the better routes through some of the more complex caves in the Yorkshire Dales, UK and is intended for the guidance of experienced cavers.

Maps, pictures and information on the Kern extension

Information about closed and limited access caves in Tennessee, Alabama, and Georgia, USA

Descriptions, classification, and photos of caves, speleothemes, concretions, root forms and root stalagmites, and underground archaeological features in Galicia, Spain.

Interactive tour of Chiquibul, Central America by National Geographic photographer Stephen Alvarez.

Detailed survey of Lechuguilla Cave, New Mexico, USA with linked photos and 3D animation.

Expedition and location reports from Lancaster Caving Club

Mine exploration around Nenthead, Cumbria. Advice, contacts, equipment, glossary and trip details.

An index of acts relating to cave conservation from Caving Canada.

Lists of the world's and USA'a longest and deepest caves and lava tubes.

Information on Nutty Putty Cave in Utah. Includes news, a suggested equipment list, driving directions, a map of the interior and photographs.

Features virtual tour of the OFD system located in the Upper Swansea Valley in South Wales. Includes a brief history, hints and tips, photos and information about the local club.

Includes discovery of the cave, access and guided trips, geology and hydrology, photos and contact information. Located in Greenbrier Valley, in Monroe County, West Virginia.

Cave exploration in the Yauyos district of Central Peru. Expedition reports and descriptions and pictures of bothe the local caves and the local area.

Information on the current digs being undertaken by Sheffield University Speleological Society, UK.

Details of 25 classic caving trips in Belgium.

A comprehensive UK cave database that allows the addition, updating and searching of caves and cave details.

Descriptions and images of speleological sites in this area of White County, Tennessee, USA.

Information and pictures of a number of caves in Hungary.

A list of long and deep caves from all around the world.