Balkan Speleological Union
Aiding cooperation amongst caving organisations within the Balkan countries. Articles, events, news, club information and contacts.
Groupe Spéléologique Luxembourgeois (G.S.L.)
Member of UIS and FSCE. Offers trips to Müllerthal area. Includes photos and contact information.
Icelandic Speleological Society
Founded in 1989 for exploration, surveying, conservation and fellowship. Publishes irregular bulletins and newsletters. Includes photos and contacts. [Icelandic and English].
Romanian Speleology Karstology Society
Organisation aiming to explore and protect the Romanian karstic areas. Schedule, gallery and news.
Speleo Nederland
Includes magazine summaries, photos and contacts. [Dutch with some pages in English].