Holehills (Japanese: 風穴の丘Windhole Hill) is a playable dungeon the player goes through in Pokémon Mystery Dungeon: Gates to Infinity. It has 12 floors and no boss. This dungeon is accessible after the player completes the Withered Savanna dungeon. This dungeon can be used to enter the Glacier Palace dungeon at a high mysteriosity level. Pokémon can only be recruited after the main storyline. This dungeon has outer areas with three shimmering tiles, and is known for the massive series of caves that connect each and every hole in the vicinity. The seventh floor contains a detour that requires a Fire-type Pokémon to pass through.