I think the gym in fuschia city
You use the key to get in o the fire gym to get into the last gym.viridian city which is above pallet town which is where you began.Viridian City.The leader is Giovanni, who uses Ground-types.
The gym in Viridian is actually the last gym. You'll unlock it after getting all the other badges. You should continue to Pewter through Viridian Forest.
In Pokemon FireRed and LeafGreen you can't open a gym.
You will find the key to the Gym of Cinnabar Island, From the Pokemon Mansion that is on the same island.
Veridian city
The trainers have various types, The gym leader has rock and ground types.
Beat Giovanni at viridian city's gym.
in the pokecenter
It is the 8th gym....The last gym so just ignore until you beat the first 7
Go to viridian city and go to that gym Go to viridian city and go to that gym
You need to go through the Pokemon mansion and beat all the trainers. At the last one you get the "secret key" to Blaine's gym.
The key to the gym
in the begging of the game theres a gym near pallet town that's where Giovanni is the last gym leader
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.
the 5th gym is saffron gym with sabrina!
Yes, if you get the Gym Badges.