Where is the baboon in Zelda twilight princess that holds the gale boomarang?

Answer 1

In the first temple, through the forest past Ordon, then go on until you come to Coro's house. He will give you a lantern and some fuel if you pay a small fee of rupees. Then, leave Coro's house from the gate that you entered in and turn left. There's a small cave that has some enemies and only a measly amount of Rupees. When you get out, you will come to a little patch of grass and a boardwalk of some sort. There is purple poisonous gas obstructing your path ahead. A monkey will come and steal your lantern, but is actually lighting your way through the poisonous gases, so stick close to the monkey. You will come to a clearing and the monkey will run away, but leave your lantern with no oil. That clearing will lead to the Forest Temple. There is a stand before you get to the temple where you can get more lantern oil and red potions, and it's kind of funny because its run by a bird and if you short him from the total cost of your goods he'll attack you and call you a dirty rotten hooligan... sorta. When you get near the temple the golden wolf will teach you a sword move. The boss of this temple is the monkey that gives you the gale boomerang.

Answer 2

in the forest temple you need to free the first three monkey's and they will help you reach the King Baboon.