| Category | Caverns |
| Continent | Brucrumus |
| Region | Adunamar |
| Alias | Descend One |
| Map | Vul Sahsir |
Tumbo Gein is a lengthy, two-mile passage that emerges from the subterranean realm onto the surface. At the surface, this passage culminates in the partially submerged caverns along the western shores of Lake Lokzii Ahraan.