The connection belongs to Ecology connections.
- Aggtelek and Slovak Karst: Domica Cave
- Canadian Rocky Mountain Parks: Medicine Lake, which drains via an underground river into the spectacular Maligne Canyon (AB ev)
- Greater Blue Mountains: Jenolan River / Styx River Link
- Gunung Mulu: Clear Water Cave
- Phong Nha - Ke Bang
- Puerto-Princesa Subterranean River
- Skocjan Caves
- Trang An: subterranean rivers (AB ev)
- Wulingyuan: underground river inside the Yellow Dragon Cave
Do you know of another WHS we could connect to Underground river?
A connection should:
- Not be "self evident"
- Link at least 3 different sites
- Not duplicate or merely subdivide the "Category" assignment already identified on this site.
- Add some knowledge or insight (whether significant or trivial!) about WHS for the users of this site
- Be explained, with reference to a source