Where to find Ditto in Red, Blue & Yellow

• Cerulean Cave — Walk
• Pokémon Mansion — Walk
• Route 13 — Walk
• Route 14 — Walk
• Route 15 — Walk
• Route 23 — Walk

Ditto in every game · Kanto interactive map

By game: Pokémon Red map · Pokémon Blue map · Pokémon Yellow map