You find it by the bike pass if you use the pokeradar.
Nosepass is a swarm Pokemon on Pokemon diamond
West Solacean town.
evolve a female Burmy.
only with an event you can get the azure flute
she will eventually mention nosepass but keep going to her and she'll say whether there are a nosepass. Just keep going to her until she says it about nosepass
use the pokerader on route 230
you don't..... you press B to switch gears
Ice type pokemon.
You have to beat(or Catch) Dialga first.
Nosepass doesn't evolve in emerald only in diamond, pearl and platinum.
Nosepass is a Rock type Pokemon that evolves into Probopass if it is leveled up in certain places. Wild Nosepass can be caught on Route 206 in Pokemon Diamond while they are swarming.
Nosepass will only evolve in diamond, pearl and platinum on top of mt coronet.