Professor Oak gives you it after you get 16 badges
You have to beat all 16 gym leaders to get rock climb I believe.
you have to go to prof oak and get rock climb and then get to the top of mount silver and battle red. he has Pokemon level 80-90 about so he is not easy.
You have to beat the elite four then go to Kanto and beat all of their gyms to use rock climb.
Bibarel he can learn waterfall, strenght, surf, rock smash, rock climb,
have a Pokemon who knows rock climb and rock smash
Rock climb
You need to have the move rock climb
you use rock climb
Professor Oak gives you it after you get 16 badges
After obtaining all of the kanto and johto badges visit professer Oak and he will give you the HM rock climb.
every where in the jonto region but rock climb is in the kanto region
You can now rock climb and do a whole lot more
if you want it from soul silver or heart gold you get it professor chen in kanto
you can find it in cerulean cave in the northeast corner of b1fyou to have a pokemon that knows rock climb
You get rock climb at the one of the gyms
Hes on top of the cave just west of the Pokemon league gotta have strenght rock smash and rock climb