Sky Pillar

Sky Pillar is a Hoenn tower located north of Route 131. It's entrance will initially be blocked by a monk, who will let the player pass after starting the Sky Pillar Quest in Sootopolis City.

Sky Pillar is known for being the place to fight Rayquaza. Furthermore, it is where it is possible to go to the Moon during the story: after completing the story, it will be at Mossdeep City Space Center.