Go to either Mt. Coronet 3F or Mt. Coronet Summit (First Half) and use the Poke Radar to search for a Loudred.
No where unless you cheat or get loudred to level 40
Mt.cornet use a poke radar (it is rare)
breed a wismur loudred or exploud and you will get the egg
In Pokémon: Diamond Version, Pokémon: Pearl Version, and Pokémon: Platinum Version, Loudred can only be found at the top of Mt. Coronet, and only through the use of the Pokéradar. As such, it cannot be obtained until after the National Dex is obtained.
It can be found in Victory Road.
Breed a Loudred and hatch the Egg
You can find Loudred in Pokémon Sapphire in Victory Road additionally you can find wild Whismur in Route 106, in the Rusturf Tunnell and in the Victory Road and then you can raise up Whismur until it reaches the level of Level 20 at which point it will evolve into Loudred and another option is to trade with another Pokémon Trainer locally in order to receive Loudred into Pokémon Sapphire.
Loudred can be found at the top of mt. coronet, by using the pokeradar in the grass. It also can be found on the third floor. It is at level 39 or 40 and you have a 22% chance of encountering it. previous answeru can catch on the 3rd level of mt.coronet in Pokemon diamond. i hope this helped.
Loudred evolves at lv.40
Loudred is a Normal type pokemon.
Loudred evolves into Exploud at level 40+
Loudred evolves into Exploud at level 40.