The Rock Incense is in Mt. Mortar. I don't know exactly where, but it's there.
in soul silver
have a Pokemon who knows rock climb and rock smash
You tell me
Diglett's Cave, Kanto Region
You need to have the move rock climb
you get it on Route 36.
You get rock climb at the one of the gyms
You put rock insence on a sudowoodo and you breed it.
you can get rock climb from beating blue i think.
South From where the the first gym is!
after you defeat Blue, in viridian city
hell no