Ho-Oh locations — where to catch

In Paldea (Scarlet & Violet)

• South Province (Area Four) — Static Encounter

In Johto & Kanto (HeartGold & SoulSilver)

• Bell Tower — Static Encounter

In Sevii Islands (FireRed & LeafGreen)

• Navel Rock — Static Encounter

In Johto & Kanto (Gold, Silver & Crystal)

• Tin Tower — Static Encounter

Other games (4)

• Ultra Sun / Ultra Moon (Gen 7): Ultra Space Wilds, Ultra Space
• Omega Ruby / Alpha Sapphire (Gen 6): Sea Mauville
• Emerald (Gen 3): Navel Rock
• Colosseum (Gen 3): Mt Battle

Ho-Oh — full Pokédex entry