Where to find Slowpoke in Red, Blue & Yellow

Super Rod: Celadon City (50%, Red & Blue only), Route 10 (50%, Red & Blue only), Safari Zone (25%, Red & Blue only)
Surf: Route 12 (95%, Yellow only), Route 13 (95%, Yellow only)
Walk: Seafoam Islands (85%)

• Celadon City — Super Rod
• Route 10 — Super Rod
• Route 12 — Surf
• Route 13 — Surf
• Safari Zone (Center, Area 1 (East), Area 2 (North), Area 3 (West)) — Super Rod
• Seafoam Islands (1F, B1F, B2F, B3F, B4F) — Walk

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