Furret locations — where to catch

In Kitakami (Scarlet & Violet – The Teal Mask)

• Kitakami Road — Walk
• Mossfell Confluence — Walk
• Reveler's Road — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Johto Safari Zone — Walk
• Route 1 — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Route 1 — Walk
• Route 43 — Walk

Other games (2)

• Black 2 / White 2 (Gen 5): Route 7
• Colosseum (Gen 3): Pyrite Town

Furret — full Pokédex entry