Walk: Rolling Fields (20%, Intense sun, Before the Hall of Fame, After the Hall of Fame, Only in Sword), Axew's Eye (Only in Sword), Dappled Grove (Only in Sword) + 8 more
Max Raid Battle: Dusty Bowl (Only in Sword), Giant's Cap (Only in Sword), Hammerlocke Hills (Only in Sword) + 2 more
Overworld: Galar Route 3 (Only in Sword), Motostoke, Rolling Fields (Intense sun, Before the Hall of Fame, After the Hall of Fame, Only in Sword)
Vulpix in every game · Pokémon Sword & Shield interactive map (Galar)