|くうかんのどうくつ Spatial Cave|
|Team Members Allowed||2|
|Pokémon||Onix, Drifloon, Drifblim, Magnemite, Magneton, Skarmory, Grumpig, Ditto|
Chasm Cave is a dungeon in Pokemon Mystery Dungeon Explorers of Time & Darkness, and Sky. It is the first dungeon in the future. Since it's in the future, it can't be revisited and no Pokémon can be recruited.Chasm Cave is a special dungeon because there are no walls. If you walk off the path, you'll be teleported elsewhere. Enemies can also attack you from the empty spaces.