The hole in the roof of Chimney Hole Cavern, seen from the floor and surrounded by Purple Sproinger cocoons.

Chimney Hole Cavern is a cave in Fraggle Rock with a hole in the top, leading to the Gorgs' Garden. No Fraggle has ever climbed to the top.

A herd of Purple Sproingers pupated there in "The Invasion of the Toe Ticklers."

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