Valley of Bowser is part of Dinosaur Land, a collection of islands in the Mushroom Kingdom in Super Mario World. Its located in the direct center of the islands hidden beneath the bay. Its entrance is past a ghost ship in a center of rocks. Bowser's Castle is in the valley. Valley of Bowser is ruled over by Bowser and Larry Koopa. Its not a real valley, but is a large underground cave with the ceiling being meters high and is underwater in the bay.
Levels[]
Donut Secret 2
Chocolate Secret
Sunken Ghost Ship
Valley of Bowser 1
Valley of Bowser 2
Valley Ghost House
Valley of Bowser 3
Valley of Bowser 4
Valley Fortress
Larry's Castle
Back and Front Doors/Bowser's castle (final level)