Hakamo-o locations — where to catch

In Kitakami (Scarlet & Violet – The Teal Mask)

• Kitakami Wilds — Walk
• Oni Mountain — Static Encounter

Other games (3)

• Sword / Shield (Gen 8): Axew's Eye, Lake of Outrage, Rolling Fields
• Ultra Sun / Ultra Moon (Gen 7): Vast Poni Canyon
• Sun / Moon (Gen 7): Vast Poni Canyon

Hakamo-o — full Pokédex entry