First surf down from pallet town then go into Pokemon mansion and get the secret key then go into the 7th gym and beat blaine.
You have to find the key in the abandoned mansion.
It's in Cinnabar island. It's where you get the key to open the Gym #7
its actually the 8th gym so you need 7 badges and then it will unlock
defeat the otheer 7 gyms he is the gym in pewter i think
It is the 8th gym....The last gym so just ignore until you beat the first 7
The key to the gym
You need the secret key which is found in Pokemon mansion which is also on cinnibar island.
the 5th gym is saffron gym with sabrina!
The fifth Gym Leader in Pokemon LeafGreen is Koga, the leader of Fuschia City's Gym. He specializes in Poison-type Pokemon and hands out the Soul Badge.
hahahahaha =) and if youre not kiddng fight the gym and the first gym you see is locked leave it alone come back to it when you have 7 badges
Yes, if you get the Gym Badges.
Sabrina's gym in saffron city