You can get him at a few locations by using the Poke Radar:
Acuity Lake front (levels 35, 36)
Route 216 (levels 33, 34)
Route 217 (levels 35, 36)
CAtch a girl snowrunt And use a dawn stone
A dawn stone will evolve a male kirlia and a snowrunt into a frosslass
You can find a snowrunt near snowpiont city and evolve it at level 42
You can't find a snowrunt in pokemon black and white.
Can't. Ya gotta poketransfer it from diamond, pearl, platinum, heartgold, or soulsilver
there are 2 Pokemon thet can be evolve with a dawn stone.they are a male kirlia and female snowrunt to gallade and foslass.
you catch a snowrunt at lake acurity in the grass after you get the national dex
You can find snowrunt on the way to snowpoint city. It can only be found at night.
Mass OUTBREAK
use a fire Pokemon
snowrunt is an ice type Pokemon
route 217