Where to catch Nosepass

In Kitakami (Scarlet & Violet – The Teal Mask)

• Kitakami Wilds — Walk
• Oni Mountain — Walk
• Oni's Maw — Walk
• Paradise Barrens — Walk, Static Encounter
• Wistful Fields — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Granite Cave — Walk

Nosepass — full Pokédex entry