Map:

Summary:

These chambers contain Alien Arches and are scattered throughout the world, located in the Northwestern Mushroom Forest, the Crag Field, the Ghost Forest, the Floating Island, the Mountain Island, and the Bulb Zone. Each of these Alien Arch Caches is linked to the Primary Containment Facility, for the purpose of getting the ingredients for Hatching Enzymes, with the exception of the Floating Island Arch Cache, which is linked to the Mountain Island Arch cache.