Where to find Tentacool in HeartGold & SoulSilver

Surf: Cherrygrove City (90%), Cianwood City (90%), Cinnabar Island (90%) + 18 more
Good Rod: Route 13 (60%), Route 12 (35%), Cinnabar Island (30%) + 10 more
Old Rod: Cinnabar Island (15%), Route 32 (15%), Route 47 (15%) + 10 more
+ 2 more ways

• Cherrygrove City — Surf
• Cianwood City — Surf
• Cinnabar Island — Good Rod, Old Rod, Surf
• New Bark Town — Good Rod, Old Rod, Surf
• Olivine City — Surf
• Pallet Town — Good Rod, Old Rod, Surf
• Route 12 — Good Rod, Old Rod, Super Rod, Surf
• Route 13 — Good Rod, Old Rod, Super Rod, Surf
• Route 26 — Good Rod, Old Rod, Surf
• Route 27 — Good Rod, Old Rod, Surf
• Route 32 — Good Rod, Old Rod, Super Rod, Surf
• Route 34 — Surf
• Route 47 — Good Rod, Old Rod, Surf
• Sea Route 19 — Surf
• Sea Route 20 — Good Rod, Old Rod, Surf
• Sea Route 21 — Good Rod, Old Rod, Surf
• Sea Route 40 — Surf
• Sea Route 41 — Good Rod, Old Rod, Surf
• Union Cave (B2F) — Surf
• Vermilion City — Good Rod, Old Rod, Surf
• Whirl Islands (1F) — Surf

Tentacool in every game · Pokémon HeartGold & SoulSilver interactive map (Johto & Kanto)