Diggersby locations — where to catch

In Lumiose City (Legends: Z-A)

• Vernal Avenue — Static Encounter
• Wild Zone 17 — Walk
• Wild Zone 20 — Walk

Other games (3)

• Sword / Shield — The Isle of Armor (Gen 8): Max Lair
• Sword / Shield (Gen 8): Axew's Eye, Bridge Field, East Lake Axewell, Giant's Cap, Giant's Mirror, Giant's Seat, Motostoke Riverbank, North Lake Miloch, Rolling Fields, Stony Wilderness
• X / Y (Gen 6): Friend Safari, Kalos Route 22

Diggersby — full Pokédex entry