Noivern locations — where to catch

In Lumiose City (Legends: Z-A)

• Lysandre Labs — Walk
• Wild Zone 18 — Walk
• Wild Zone 20 — Walk

In Paldea (Scarlet & Violet)

• East Province (Area Three) — Walk
• Glaseado Mountain — Walk
• North Province (Area One) — Walk
• North Province (Area Two) — Walk
• Tagtree Thicket — Walk

Other games (3)

• Sword / Shield — The Isle of Armor (Gen 8): Ballimere Lake, Dyna Tree Hill, Frigid Sea, Frostpoint Field, Giant's Bed, Honeycalm Sea, Lakeside Cave, Workout Sea
• Sword / Shield (Gen 8): Axew's Eye, Bridge Field, Lake of Outrage
• Ultra Sun / Ultra Moon (Gen 7): Resolution Cave

Noivern — full Pokédex entry