Only in Black 2 & White 2
Hidden Grotto: Hidden Grotto
Looking for Salamence? It isn't found in the wild in this game — evolve Shelgon (Level 50).
Its base catch rate is 45 out of 255 (higher is easier); the catch rate calculator works out your odds with each ball. For the look, the best colour match is Heavy Ball or Timer Ball.
Evolution: Bagon → Shelgon (Level 30) → Salamence (Level 50).
Shelgon in every game · Pokémon Black & White / Black 2 & White 2 interactive map (Unova)