You can't. You're stuck in Hoenn.
That cave is only in the kanto region not in the hoenn region.
No, you cannot. Pokemon Ruby is solely based in the Hoenn Region, and you cannot go to any other region.
different Pokemon from kanto and Pokemon hoenn
You are already there. Hoenn is the entire region in Pokemon Ruby/Sapphire/Emerald.
The island of Hoenn is not available in Pokemon LeafGreen, unfortunately. FireRed and LeafGreen are limited to the region of Kanto, while Ruby, Sapphire, and Emerald are currently the only Pokemon games that take place in Hoenn.
hoenn =)
Pokemon from the 3rd gen (hoenn region) are in ruby
The Hoenn Region is available in the pokemon versions Ruby, Sapphire, and Emerald.
Route 8 is in Kanto. Ruby takes place in Hoenn.
You can't. The only region you can ever be is Hoenn in Pokemon Ruby,Sapphire and Emerald.
the best Pokemon region is hoenn { ruby,Sapphire,emerald }
You have to trade it from Pokemon ruby or sapphire.You cannot get a Torchic in Pokemon Leaf Green. The game is played only in the Kanto region, and since Torchic is in the Hoenn region, you cannot get torchic in Leaf Green.