Caves of Hotton From Wikipedia, the free encyclopedia Speleothem caves near Hotton in Belgium The Caves of Hotton are speleothem caves located in Wallonia near Hotton in Belgium, which were discovered in 1958 and are around 5 or 6 km long and 70 metres deep.[1][2] A stream called Syphon runs at the bottom of the caves. References ↑ J.F. Cadorin,D. Jongmans,A. Plumier,T. Camelbeeck, S. Delaby, Y. Quinif. Modelling of speleothems failure in the Hotton cave (Belgium). Is the failure earthquake induced? Archived 2012-03-05 at the Wayback Machine Netherlands Journal of Geosciences / Geologie en Mijnbouw 80 (3-4): 315-321 (2001). ↑ Ardennes-etape.com: The Caves of Hotton External links Wikimedia Commons has media related to Hotton Caves. Hotton's Caves (incl. cave map and images) 50°15′33″N 5°27′21″E / 50.2592°N 5.4559°E / 50.2592; 5.4559 Related Articles