Ducklett locations — where to catch

In Kitakami (Scarlet & Violet – The Teal Mask)

• Fellhorn Gorge — Walk
• Kitakami Wilds — Walk
• Mossfell Confluence — Walk

Other games (3)

• X / Y (Gen 6): Kalos Route 7
• Black 2 / White 2 (Gen 5): Driftveil Drawbridge
• Black / White (Gen 5): Driftveil Drawbridge

Ducklett — full Pokédex entry