The tree is in the jungle, up at the top of the waterfall. It's near where you rescued Kuno (the ranger) from the river, if you remember that?
Head to the jungle campsite, go to the right and up the vines.
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Thanks for your help, I knows where to look. Dear developers your game is great im terms of gameplay and story which is Very good, the combat is also on high level and other aspects are really very well done I really can' t wait to ser morę new things im such a great game. I love this game it' s all. Once again great job done.