The International Show Caves Association (ISCA) is delighted to report the successful celebration of the International Day of Caves and the Subterranean World on June 6, 2026.
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"Our world’s caves are places of wonder, mystery and majestic beauty. Show caves around the world are embracing their role in protecting and preserving caves and providing a place for people to learn about these special, natural, cultural and historical resources.
Show caves also play another important nature tourism role of sustainable economic development, providing jobs, and helping the economy of their regions.”
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The International Show Caves Association (I.S.C.A.) was founded in November 1990 and set up its central office in Genga, Italy. After the first Consitutent Assembly held in Frasassi (Genga Ancona, Italy) in November 1989, important events have contributed to the development and consolidation of the association.
Definition of a show cave
A show cave is defined as a natural occurring void beneath the surface of the earth that has been made accessible to the public for tours.
News
International Day of Caves and the Subterranean World Celebrated Worldwide
07. June 2026 Tiscar Moya Juan José
ISCA Celebrates the 10th Anniversary of the International Day of Caves and the Subterranean World
14. May 2026 Tiscar Moya Juan José
The International Show Caves Association (ISCA) invites show caves, organizations, and visitors worldwide to celebrate the 10th anniversary of the International Day of Caves and the Subterranean World on June 6, 2026, through educational activities, public events, promotional campaigns, and initiatives aimed at raising awareness about the value and protection of subterranean heritage.
» more informationMessage from the ISCA President for June 6
13. May 2026 Tiscar Moya Juan José
As the showcave community celebrates the 10th anniversary of the International Day of Caves and the Subterranean World, ISCA President Friedrich Oedl highlights the importance of raising awareness about subterranean heritage, promoting responsible tourism and education, and encouraging show caves worldwide to join the June 6 celebrations through local activities and public engagement initiatives.
» more informationCUEVATUR 2026: Third circular now available
12. May 2026 Altable Argüelles Ovidio
Download the third circular of CUEVATUR 2026. Call for papers included.
» more informationIn Memoriam: Ann Wescott
11. May 2026 Tiscar Moya Juan José
It is with great sadness that we acknowledge the passing of Ann Wescott, beloved wife of Joe Klimczak, member of the ISCA Board of Directors.
» more informationISCA Newsletter Volume 35
01. May 2026 Tiscar Moya Juan José
Welcome to the latest ISCA newsletter. Volume 35 brings info about the 10th ISCA Congress (including registration!) as well as information about CaveDay (June 6), three new ISCA members and much more details of interest. Don't miss it!
» more informationRegistration now open for the ISCA 10th Congress
27. April 2026 Tiscar Moya Juan José
Starting April 27, you can now register for the 10th ISCA Congress (Dordogne, France). Early booking comes with special prices and will be open until May 30! Please, download the registration form and return it following the instructions in the document ASAP! We look forward to meeting y'all in September!
» more information2026 ISCA Congress: 2nd circular available
24. April 2026 Tiscar Moya Juan José
The 2nd Circular of the 10th ISCA Congress is now available to download. You can now REGISTER for the congress! It includes some extra updates.
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