right next to the place you find soodowoodo
have a Pokemon who knows rock climb and rock smash
You use HM Rock Smash on smashable rocks.
Rock Smash-ing the Rock Smash-able rocks at the Ruins of Alph
Pokeathlon Prize [Wednesday] or Smash Rocks using Rock Smash.
you go to ruins of alph and smash the rocks with rock smash and some of them contain fossils.
rock smash go west of violet city and talk to the chubby guy
you can find rock smash by talking to a man just to the right of where sudowoodo was (violet city side)
you can in the ruins of alph. just rock smash rocks by the north entrance.
Sudowoodo is not the only Pokemon that can learn Rock Smash. There are many Pokemon that can learn it. Most fighting type Pokemon can learn the TM. So no, you do not need Sudowoodo.
Hes on top of the cave just west of the Pokemon league gotta have strenght rock smash and rock climb
I had trouble finding it too, but you find rock smash by going to the NW entrance/exit from Violet city and a guy on route 36 past the girl, gives you rock smash.
you get it on Route 36.