Where to find Rattata in FireRed & LeafGreen

Walk: Route 1 (50%), Route 2 (45%), Route 22 (45%) + 6 more

• Pokémon Mansion (3F, 2F, 1F, B1F) — Walk
• Route 1 — Walk
• Route 16 — Walk
• Route 17 — Walk
• Route 18 — Walk
• Route 2 — Walk
• Route 22 — Walk
• Route 4 — Walk
• Route 9 — Walk

Rattata in every game · Pokémon FireRed & LeafGreen interactive map (Kanto)