"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.”


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.


ISCA Newsletter May & June 2021

30. April 2021 Moya Juan José Tiscar

The latest ISCA newsletter is now available to download in PDF format. The International Year of Caves and Karst 2021 brings us a lot of new materials. Enjoy and let us know your feedback!

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New article on cave lighting

08. April 2021 Gazik Peter

Our friend, former director of the Aggtelek National Park wrote an interesting article full of ideas on the proper cave lighting. He is pleased he can share it with our community.

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ISCA Newsletter March & April 2021

04. March 2021 Moya Juan José Tiscar

Read our latest announcements and learn more about the International Year of Caves and Karst 2021 and many other events.

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Opening of the International Year of Caves and Karst

25. January 2021 Gazik Peter

Dear cave friends, The International Union of Speleology (UIS) planned an Opening Ceremony at the occasion of The International Year of Caves and Karst (IYCK), which was held virtually on 26 January 2021 starting at 15:00 CET (Paris) time (with recording on a YouTube channel linked from this news). A celebration of the IYCK will be held later at UNESCO, when the pandemic is over.

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IYCK – International Year of Caves and Karst

06. January 2021 Wuest Brad

ISCA is excited to be a partner in the International Year of Caves & Karst! To celebrate the International Year of Caves & Karst, show caves around the world are organizing special events, festivals, educational opportunities, and other public relations and marketing efforts to create more awareness about why caves and karst landscapes are so important.

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ISCA Newsletter January & February 2021

01. January 2021 Moya Juan José Tiscar

Download and find details about some of the most exciting events.

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PF 2021

23. December 2020 Gazik Peter

Sending all our members Season's greetings and new energy and life in the next 2021 IYCK New Year!

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Total news: 184