The Hoffman Environmental Research Institute in cooperation with the Mammoth Cave International Center for Science and Learning and Western Kentucky University are pleased to announce the Summer 2015 Karst Field Studies Program.

Courses may be taken for graduate, undergraduate, or continuing education credit. Please visit the program website for more information.

Untitled Document Cave Picture

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

Download thehigh resolutionorlow resolutionPDF of our current newsletter.

Download our2004-05,2006-07, and2008-09Annual Reports

CRF Graduate Research Grants

CRF Treasurer Bob Hoke, 6304 Kaybro Street Laurel, MD 20707 tel# 301-725-5877Contact CRF Treasurer

CRF's Publishing Affiliate- Cavebooks For a list of reviews and books published by Cavebooks visit their new site at

Hamiliton Valley Main Building

Hamilton Valley Facility, located just outside of Mammoth Cave National Park in south central Kentucky, is now open for CRF use and for those individuals/organizations involved in relevant karst or cave research, conservation and education.Click here for informationon availability and use of Hamilton Valley.