The Pseudokarst Commission (Commission du Pseudokarst) is a commission of the Union Internationale de Spéléologie (UIS), founded during the International Congress of Speleology in August 1997 in Switzerland , owing to the initiative and attempts of the Jiri Kopecký (CR) and István Eszterhás (HU).

Participants 2015
The participants of the 13. Symposium in September 2015
Kuncice pod Ondrejnikem - Czech Republic -
(Photo: Jan Lenart)

The main objectives of the Pseudokarst Commission is organisation of the international Symposia on Pseudokarst and other events and meetings dedicated to the pseudokarst, as well as promotion and stimulation of activeness in the exploration and scientific studies of the non-karst caves and pseudokarst features. The Pseudokarst Commission has publicated the “Newsletter” (“Nachrichtenbrief”) two times a year.

Pictures from the 14th International Symposium on Pseudokarst: 24.-27. May 2023 in Karłów (Stołowe Mountains, Sudetes, southwestern Poland)

Merlins Cave Dragons Cave Water-pool in Jaskinia Miecharska
Merlins Cave at Tintagel Castle
Cornwall / South England 
(Photo: Hartmut Simmert)
Dragon’s Cave ("Drachenhöhle"),
a Bolder Cave in Upper Austria
(Photo: Rudolf Pavuza)
A water-pool in Jaskinia Miecharska, a pseudokarst, gravitational, crevice-type cave (1838 m long), developed in flysch sandstone; Beskid Śląski Mountains, Outer Carpathians, Poland
(Photo: Jan Urban)