Actually it is on route 217 on the way to Snowpoint city
On route 217 there is a house and just above the house is a poke ball by a tree that poke ball comtains HM08 rockslide(hint:the house is more on the left side of route 2170)
You'll need to teach a Pokemon the HM Rock Slide, which is located on Route 217, and then press A on the rocky wall and the Pokemon will slide up or downwards of it.
Use TM80 (Rock Slide) on it.
Of course!
You don't.
Infernape
A move tutor in the Battle Frontier will teach one of your Pokemon Rock Slide. It costs 48 BP to do so.
There is no rock climb in pokemon saphire, but there is a rock climb in pokemon diamond and pearl.
Rock Slide is not a TM in Leafgreen. In Leafgreen Rock Slide is a Move Tutor move and the Move Tutor is hidden somewhere in Rock Tunnel.
Aggron doens't learn rock slide in this version
not, you will need to use tm80, rock slide, on onix.
there is no naval rock in pearl only in emerald, firered ,leefgreen
If you're referring to a stone used on rock pokemon to get them to evolve, there is no such thing.