Soleanna Forest Zone is a woodland zone located near Soleanna.
The Eggman Empire established a rail line through this Zone connecting to Rail Canyon Zone and Bullet Station. On Dr. Ivo "Eggman" Robotnik's orders, E-106 Eta used an Egg Train to travel through this Zone with the captive Professor Pickle and Professor Charles the Hedgehog, but the train was intercepted by the Knothole Freedom Fighters. (StH: #258)
- This zone is apparently based on the Forest adventure field that appeared in Sonic the Hedgehog (2006).