Magnezone locations — where to catch

In Hisui (Legends: Arceus)

• Celestica Trail — Walk
• Clamberclaw Cliffs — Walk
• Fabled Spring — Walk
• Space-time distortions — Walk

Other games (2)

• Sword / Shield — The Isle of Armor (Gen 8): Brawlers' Cave, Challenge Beach, Courageous Cavern, Fields of Honor, Forest of Focus, Honeycalm Sea, Insular Sea, Loop Lagoon, Stepping-Stone Sea
• Black 2 / White 2 (Gen 5): P2 Laboratory

Magnezone — full Pokédex entry