Below are the details for the Treehouse route in the Pokéwalker peripheral, and a list of the wild Pokémon that may appear.
|Unlock criteria||15,000 Watts (Post-National Dex)|
|Advantageous types||Fire Ice Flying|
|Description||A path that works with the trees of the forest. Pokémon here are always changing.|
The Pokémon available on this route are below, with the number of steps required under normal conditions and if your Pokémon has a beneficial type.