Where to find Poliwag in Brilliant Diamond & Shining Pearl

Surf: Sinnoh Route 227 (30%), Sinnoh Route 228 (30%)
Walk: Grand Underground
Good Rod: Sinnoh Route 225 (45%)

• Grand Underground — Walk
• Route 225 — Good Rod
• Route 227 — Surf
• Route 228 — Surf

Poliwag in every game · Pokémon Brilliant Diamond & Shining Pearl interactive map (Sinnoh)