Yellowbone Park is a natural park situated in Petropolis. It features rivers, trees, and non-anthropomorphic animals like rabbits and birds. It also contains a horseshoes stake. The park is first seen in Bark to Nature, where Snaptrap is attempting to steal picnic baskets from the visitors.
- The name of Yellowbone Park is a pun on the real-life Yellowstone National Park, which is located in Wyoming.
- Snaptrap's family has a cottage in this park. It is constructed around a geyser.