| Nether region |
| Hades entryway |
| God of darkness |
| Entrance to Hades |
| Approach to Hades |
| Neighbor of Hades |
| Place of darkness |
| Underworld region |
| Antarctic volcano |
| Antarctica volcano |
| Dark place in myths |
| Darkness personified |
| Volcano on Antarctica |
| Greek god of darkness |
| Antarctica's Mount ___ |
| Part of the underworld |
| Place enroute to Hades |
| Place of nether darkness |
| Region en route to Hades |
| Dark place outside Hades. |
| Dark creature of mythology |
| Cavern on the way to Hades |
| Passage to Hades:Gr. myth. |
| Mythical abode of the dead |
| Antarctic observatory mount |
| Active volcano on Antarctica |
| Be sure (anag) — Greek god |
| Dark place en route to Hades |
| Mount __ (Antarctic volcano) |
| Dark place on the way to Hades |
| Volcanic mountain of Antarctica |
| Largest active Antarctic volcano |
| Greek personification of darkness |
| Place of darkness on the way to Hades |
| Mt. ___ (world's southernmost active volcano) |
| Antarctic volcano named for a place in the underworld |
| God of darkness — cavern on the way to Hades — active volcano in Antarctica |