The Tree house is located on a tree in Hillwood called Mighty Pete. In the episode, Save the Tree, Big Bob Pataki and his business partner attempted to destroy the tree and use the land to expand his beeper empire. Appears in Eugene's Birthday Save the Tree Bag of Money Retrieved from "https://nickelodeon.fandom.com/wiki/Tree_House?oldid=218360" Categories: Locations Hey Arnold! locations Hey Arnold! Community content is available under CC-BY-SA unless otherwise noted.