The Ecton Hill Field Studies Association web site.

A glossary - dictionary - collection of terms - terminology related to the field of geology.

The Megalithic Portal. Includes entries on some Peak District caves.

CAVES, FISSURES AND ROCK SHELTERS IN THE NORTH MIDLANDS. Database compiled and produced by Andrew T. Chamberlain, and Jim Williams Department of Archaeology and Prehistory, University of Sheffield.

The Archaeology Data Service (ADS) web site. Try their ArchSearch facility to find out about caves in the Peak District. Note that some of the entries, (at least for several sites in the Manifold area), are incorrect.

The new Natural England web site.

The Peak District section of the National Trust web site.

Peak District & Derbyshire Team section of the (old) English Nature web site.

The Derbyshire Caving Association (D.C.A.) web site.

The Peak District Caving web site.

The British Caving Association (B.C.A.) web site.

The British Cave Research Association (B.C.R.A.) web site.

The Derbyshire Bat Conservation Group web site.

The Derbyshire Bat Conservation Group now has a new website under construction.