After you've defeated the Eilte Four, Prof Elm will give you some sort of ticket. Use that ticket to get on board the S.S ship in Olivine city that's at the bottom of the city. That ship will take you to kanto.
NO!
No, it johto, but it also includes Kanto
You can't get there because you can only go to johto and kanto.
Beat the elite four/pokemon league. You will then have access to the Kanto region. Hope I helped!
yes you can only catch a pineco on kanto because it is native to that region/
u get to go to the Kanto region after you defat the eliet four
Diglett's Cave, Kanto Region
Johto and Kanto are the only accessible regions in HeartGold.
No, there are only 2 regions in Pokémon HeartGold, the Kanto region and the Johto region.
cinbar islnd
on route five in the kanto region
Buy it at KANTO Region at Department Store