Regirock is not available in Pokémon SoulSilver except for through trading.
Nope. just by transfer.
You cannot catch any of the Regis (Regirock, Regice, Registeel and Regigigas) in Pokémon HeartGold or SoulSilver.
there is no regirock in Pokemon pearl,migrate please to get regirock
Regirock is a Rock type pokemon.
You can't get Regigigas in Pokemon Soulsilver or Heartgold. However, Regigigas is available in Pokemon Diamond, Pearl, and Platinum by obtaining Regice, Regirock, and Registeel. Once you have done that, you can take all three of them to the Snowpoint Temple in Snowpoint City to battle a lv.1 Regigigas.
Regirock does not evove
You can only get Regirock by transferring a Regirock from Pokemon Ruby, Saphire, or Emerald to the Pal Park I believe.
how do i get regirock
to get regirock in Pokemon platinum, you have to upload it from ruby, Sapphire, or emerald.
You can't. The only place you can catch Regirock is in the Hoenn games. Check Serebii.net or Bulbapedia for a full list of Soul Silver legendaries.
RegiRock
no you can trade soulsilver pokemon to black