Hattrem locations — where to catch

In Paldea (Scarlet & Violet)

• Glaseado Mountain — Walk
• South Province (Area Six) — Walk
• Tagtree Thicket — Walk

In Kitakami (Scarlet & Violet – The Teal Mask)

• Kitakami Wilds — Walk
• Timeless Woods — Walk

Other games (2)

• Sword / Shield — The Isle of Armor (Gen 8): Ballimere Lake, Frigid Sea, Frostpoint Field, Giant's Bed, Giant's Foot, Old Cemetery, Slippery Slope, Snowslide Slope, Three-Point Pass
• Sword / Shield (Gen 8): Bridge Field, Dusty Bowl, Glimwood Tangle, Hammerlocke Hills, Motostoke Riverbank, Stony Wilderness, Watchtower Ruins

Hattrem — full Pokédex entry