You find a Heracross at bug contests on Tuesday and Thursday
Chat with our AI personalities
on a island
In Pokemon Crystal Version, a Heracross will occasionally appear when you use headbutt on trees.
on route 6665
You can find it at the honey tree next to solaceon town
You have to use headbutt on a "Headbutt Tree". I've heard that the trees outside of New Bark Town is the best place to find one. Although, Heracross is one of the rarest to find.