Where to find Duosion in Black & White / Black 2 & White 2

Only in White & White 2
Walk: Route 9 (60%), Strange House (15%, Only in White 2)

• Route 9 — Walk
• Strange House (1F, B1F) — Walk

Duosion in every game · Pokémon Black & White / Black 2 & White 2 interactive map (Unova)