After you exit (or finish) Victory Road, go back in. Cross the bridge. Go down. Go until you see the Ace Trainer, or whatever. Then go right. Go through the hole. Then go onto YouTube. Look for something to help you go through and out. Also, you can talk to a Professor and shaymin will come.
Chat with our AI personalities
he is in victory road.
Meteor Falls, Victory Road, Route 104 and Route 109.
Rhyhorn is #186 in the Platinum Pokedex. It can be caught at Route 214, Route 227, Victory Road, and Stark Mountain.
The earliest one you can catch is in the grass just west of Viridian City, on the way to Victory Road (Route 22). Aside from there, there's Route 3 (between Pewter City and Mt. Moon), Route 4 (between Mt. Moon and Cerulean City), and Route 23 (between the reception gate and Victory Road).
Route 214, Stark Mountain (First Room), and Victory Road F1,