Where to find Gastrodon in Diamond, Pearl & Platinum

Surf: Sinnoh Route 224 (10%, Only in Platinum), Sinnoh Route 205 (9%, Only in Platinum), Sinnoh Route 212 (9%, Only in Platinum) + 6 more
Walk: Sinnoh Route 218 (20%), Sinnoh Route 221 (20%, Only in Diamond & Pearl), Sinnoh Route 222 (20%, Only in Diamond & Pearl) + 3 more

• Canalave City — Surf
• Fuego Ironworks — Walk, Surf
• Pastoria City — Surf
• Route 205 — Surf
• Route 212 — Surf
• Route 213 — Surf
• Route 218 — Walk, Surf
• Route 221 — Walk
• Route 222 — Walk
• Route 224 — Walk, Surf
• Sea Route 230 — Walk
• Valley Windworks — Surf

Gastrodon in every game · Pokémon Diamond, Pearl & Platinum interactive map (Sinnoh)