- “Oh, me! Oh, my! It's a tree trunk, and it's a tunnel!”
- ― Toby, The Christmas Tree Express
Hollow Tree Tunnel is a tunnel made out of a hollow tree trunk located on Misty Island. The inside has fungus and moss growing inside. It first appeared in Misty Island Rescue.
Trivia
- In real life, sparks from a steam engine's funnel would set the wooden tunnel on fire.