You have a tiny chance to find one in Dragon's Lair.
Dragon's Den + Super Rod = Dragonair
you can probably find it on Ebay
level 55
In Route 44.
You can find one on Route 44.
pokemon heart gold
on route 44 you will find him
The tower
in golden rod city
If you can trade Pokemon from crystal version to gold version my guess is yes
well it is a remake of Pokemon gold version there is also a Pokemon pure silver version
Must evolve it or trade it.