Where to catch Slowpoke

In Paldea (Scarlet & Violet)

• Casseroya Lake — Walk
• East Province (Area Two) — Walk
• South Province (Area Five) — Walk
• South Province (Area One) — Walk
• West Province (Area Two) — Walk

In Blueberry Academy (Scarlet & Violet – The Indigo Disk)

• Coastal Biome — Walk
• Torchlit Labyrinth — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Slowpoke Well — Surf
• Tohjo Falls — Surf, Walk

In Kanto (Red, Blue & Yellow)

• Celadon City — Super Rod
• Route 10 — Super Rod
• Route 12 — Surf
• Route 13 — Surf
• Safari Zone — Super Rod
• Seafoam Islands — Super Rod, Surf

Slowpoke — full Pokédex entry