You can't. But you can trade with someone who has a treeko!
You can't.
The forest in Pal Park
you can't
Hi I'm afraid you cant catch a Treeko but it is a starter Pokemon in Ruby, Sapphire, and Emerald.
you can't catch it in any version
Treeko cannot be caught, only gotten as a starter.
you must pick it as your starting Pokemon or trade someone who did
None - Pal Park from 3rd Gen.
evolve your treeko noob
You can only catch treeko as a starter Pokemon or fight it on your rivals team if you choose mudkip.
evolve Treeko or trade over wi-fi
how do you catch a mewtwo on Pokemon platinum