Lapras appears in the union cave on fridays at level 20, alternatively you can catch a few different ice Pokemon in the ice path between mahogany town and blackthorn city
No, it's soul silver exclusive.
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Evolve Snorunt. Snorunt can be found in Shoal Cave Ice Room
haunter has to be traded to evlove haunter evolve into gengar in level 42
ice path
You got to go to iron island and at the end of it you find it
You don't find it in a city. You find it in the Ice Path.
In HeartGold, you can find the HM Waterfall in the Ice Cave.
ABXY
Sadly, no. The creators of the game forgot to add in the Pokedex, so trading is impossible without GameShark. :(
find the ice path and follow it
It's in the ice path that leads to Blackthorn City.