in victory road
you can find a Rhydon on route 226 :)
You can't catch rhydon in Pokemon white. You wil need to evolve an rhyhorn at level 42 which you can catch in white Forrest.
u cannot catch rhypherior u have to catch a rhyhorn or a rhydon and then have to trade it
At M.T Stark
Catch it in the safari zone.
You cannot catch a Rhydon in Black and White. You have to catch a Rhyhorn and level it up to level 42. Rhyhorn is only available in Pokemon White in White Forest.
dont catch it instead evolve rhydon into it.
you can catch one in safari zone in Fusia
Catch Rhyhorn in the Safari Zone, then evolve him by training.
Catch a rhyhorn then give it a lucky egg and then trade it to a friend and let them train it it will be rhydon before you know it. Other option: Take the shadow rhydon from Pokemon xd gale of darkness.
Rhydon can be caught in the Routes 227, 228 and Stark Mountain. You can alternatively catch a Rhyhorn and evolve it into Rhydon however they both appear in the same Routes.
In Pokémon Diamond you cannot catch Rhyperior however you can find wild Rhyhorn for capture in Route 227 and in Stark Mountain and then you can evolve it into Rhydon at Level 42 and then you can attach the Protector item to Rhydon and trade the Rhydon over to another game and it will evolve into Rhyperior additionally you can catch wild Rhyhorn in Routes 227, 228 and in Stark Mountain and then you can trade it while it has the Protector item attached in order to evolve it into Rhyperior.