you get it after you get all the gym badges professer oak gives it to you
When you use Surf or Rock Climb.
Cinnabar Island [using Rock Climb}
There isn't a rock climb in Fire Red. Haven't you seen there are no rocks to climb? Only Diamond, Pearl, Platinum, HeartGold, and SoulSilver.
come back to cinnibar island with a Pokemon with rock climb n climb the rock until u find it
After you get all 16 badges go to Proffesor Oak's house in Pallet town. He will give you HM08 which is rock climb.
Use rock climb hm
After you beat Blue, the 16th gym leader
Beat the gym leader.
Yes you do
you get rock climb after defeating all 16 gyms in kanto&johto talk to professor oak and he will give it to you
Professor Oak will give it to you near the end of the game.
You'll get Rock Climb from Prof. Oak when you have defeated all the Gym leaders in the Kanto region. Prof. Oak is at the laboratory in Pallet Town.