Welcome to the official website for the 17th International Congress of Speleology (17th ICS),
Speleo 2017, was held in Sydney, Australia, in 2017 (23 – 29 July).

Speleo 2017 Update Announcements

Edition 2 of the 17th ICS Conference Proceedings is now available for download at https://www.speleo2017.com/proceedings.html.

Read a full recap on the 17th ICS event in the recent UIS Bulletin http://www.uis-speleo.org/downloads/uis-bulletins/uisb592.pdf

See the exciting list of accepted abstract titles

Event Overview

Next ICS Event 2021

The International Union of Speleology (UIS) conducts the International Congress of Speleology (ICS) every 4 years in the host country selected by the General Assembly of delegates from the UIS member Nations.


The next International Congress of Speleology (18th ICS) will be held from 23 to 29 July 2021.


Lyon, France


The French Federation of Speleology (FFS) will host the 18th ICS in 2021 on behalf of the UIS.

18th ICS Conference Web site


Speleo2017 News and Information

Thank You Message to participants at the 17th ICS

On behalf of the host organisation, Australian Speleological Federation (ASF), the Speleo 2017 organising commission of the 17th International Congress of Speleology sincerely thank the 462 participants representing 42 countries for their attendance at the Congress and making it so successful. The ICS gives us a global perspective of speleology and all the people involved made it very rewarding.
To the Authors and Presenters, we greatly appreciate your contributions to the Congress program, without which we could not have begun to deliver a world premier speleological event. It was truly inspiring to hear the 250 oral presentations and read the 61 posters and learn more about natural and cultural aspects of speleology. The high standard of the work and the attention to detail was remarkable and you encourage us all to continue working to better understand our caves and karst in more detail.
To our Field Excursion Co-ordinators and helpers, the huge amount of effort you put in was directly reflected in the huge enjoyment had by the international and local cavers who participated in the excursions around Australia and New Zealand. Hopefully you also enjoyed the experience and new caving friendships.
To the Salon and SpeleoSports Coordinators, thank you for taking on this important, exciting and fun task and doing it with such enthusiasm. The standard of entries were outstanding which made judging a considerable challenge.
To our many hard working Congress Volunteers, we warmly thank you for the valuable assistance you provided to the organising commission and participants during the event.

White Nose Syndrome

Important Message Provided to Congress Delegates
Australia has cave dwelling bats at risk if the White Nose Fungus is introduced here. We as organisers set up a regime for preventing the introduction of the White Nose Fungus into Australia by participants in our Congress Excursions. These asked that participants only bring caving clothing and equipment specified by the Excursion Leaders and that any equipment they brought was clean and preferably not previously been used in known areas where the White Nose Fungus is known to exist (This is taken to be all temperate caving areas of the Northern Hemishere).
Read more:
Letter from Nicholas White re White Nose Syndrome
Letter from the Australian Government Chief Veterinary Officer
White Nose Syndrome management document

Supporting Organisations

ASF is involving other relevant organisations. Supporting organisations are currently Australasian Cave and Karst Management Association Inc (ACKMA), the New Zealand Speleological Society (NZSS) and Cave Diving Association of Australia (CDAA).


Sponsoring Organisations

This congress has the full support of Business Events Sydney and its partners, the New South Wales Government, Destination New South Wales and Sydney.com; Penrith Panthers and the city’s business tourism industry.

See the full list of our sponsoring organisations

Contact us

Updated 5/2/2018