Where to find Pokémon in Johto & Kanto at Blackthorn City (Pokémon HeartGold & SoulSilver)

Pokémon at Blackthorn City

• Poliwag — Good Rod, Old Rod, Super Rod, Surf
• Dodrio — Trade
• Magikarp — Good Rod, Old Rod, Super Rod, Surf

Johto & Kanto interactive map

By game: Pokémon HeartGold map · Pokémon SoulSilver map