Snom locations — where to catch

In Paldea (Scarlet & Violet)

• Cortondo — Trade
• Dalizapa Passage — Walk
• Glaseado Mountain — Walk
• Tagtree Thicket — Walk

Other games (2)

• Sword / Shield — The Isle of Armor (Gen 8): Path to the Peak, Slippery Slope, Snowslide Slope
• Sword / Shield (Gen 8): Route 10, Galar Route 10, Route 8, Galar Route 8, Giant's Cap, Hammerlocke Hills, Lake of Outrage, Stony Wilderness

Snom — full Pokédex entry