Where to catch Yanma

In Kitakami (Scarlet & Violet – The Teal Mask)

• Crystal Pool — Walk
• Infernal Pass — Walk
• Kitakami Road — Walk
• Kitakami Wilds — Walk
• Mossfell Confluence — Walk
• Oni Mountain — Walk
• Paradise Barrens — Walk
• Timeless Woods — Walk
• Wistful Fields — Walk, Static Encounter

In Johto & Kanto (Gold, Silver & Crystal)

• Route 35 — Walk

Yanma — full Pokédex entry