The tropical tree is an Agility obstacle found within the Ape Atoll Agility Course. An Agility level of 48 and an equipped small ninja, medium ninja or Kruk monkey greegree is required to pass the obstacle, which will then grant the player Agility experience upon completing this section of the course. Failing this obstacle will send the player player back to the course entrance next to the signpost when climbing up, or directly below on the east side of the cliff from vines when climbing down.
If attempting to climb up this obstacle whilst in human form, the character will slip off and a message will appear in the chatbox that says "You reach for the tree trunk and lose your footing... ...you're not monkey enough to try this!" Climbing down the tropical tree whilst in human form, the character will fall and the chatbox will state "You jump up to seize the vine... ...and lose your grip!"