Where to find Tentacool in Red, Blue & Yellow

Super Rod: Route 11 (90%, Yellow only), Vermilion City (90%, Yellow only), Route 17 (70%) + 9 more
Surf: Sea Route 19 (100%), Sea Route 20 (100%), Sea Route 21 (100%) + 1 more

• Cinnabar Island — Super Rod
• Pallet Town — Super Rod
• Route 11 — Super Rod
• Route 12 — Super Rod
• Route 13 — Super Rod
• Route 17 — Super Rod
• Route 18 — Super Rod
• Sea Route 19 — Surf, Super Rod
• Sea Route 20 — Surf, Super Rod
• Sea Route 21 — Surf, Super Rod
• Seafoam Islands (B3F, B4F) — Surf
• Vermilion City — Super Rod
• Viridian City — Super Rod

Tentacool in every game · Pokémon Red, Blue & Yellow interactive map (Kanto)