Great Canyon

 is the eigth dungeon in Pokemon Mystery Dungeon 1. It must be traveled through to reach the Hill of the Ancients, the home of a Xatu who helps out the protagonist with its precognition. Immediately after completing the dungeon for the first time, the player becomes a fugitive and is not allowed to return to Pokemon Square until after completing Mt. Freeze Peak. There is no chance of finding a monster house, a shop, or a buried item in this dungeon.