Speleo Nederland  
   Includes magazine summaries, photos and contacts. [Dutch with some pages in English].
   http://www.speleo.nl/

Groupe Spéléologique Luxembourgeois (G.S.L.)  
   Member of UIS and FSCE. Offers trips to Müllerthal area. Includes photos and contact information.
   http://www.speleo.lu/

Icelandic Speleological Society  
   Founded in 1989 for exploration, surveying, conservation and fellowship. Publishes irregular bulletins and newsletters. Includes photos and contacts. [Icelandic and English].
   http://www.speleo.is/

Balkan Speleological Union  
   Aiding cooperation amongst caving organisations within the Balkan countries. Articles, events, news, club information and contacts.
   http://www.balkan-speleo.org

Czech Speleological Society  
   Founded in 1978. Dedicated to exploration and scientific research and features international conferences, workshops and expeditions. Includes contact information. [Czech and English].
   http://www.speleo.cz/index.php?lang=en