Loudred locations — where to catch

In Sinnoh (Diamond, Pearl & Platinum)

• Mt. Coronet — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Desert Underpass — Walk
• Victory Road — Walk

Other games (4)

• Brilliant Diamond / Shining Pearl (Gen 8): Mt. Coronet
• Sword / Shield — The Isle of Armor (Gen 8): Brawlers' Cave
• Omega Ruby / Alpha Sapphire (Gen 6): Hoenn Victory Road
• X / Y (Gen 6): Friend Safari

Loudred — full Pokédex entry