It's located inside Pokemon mansion which can be found near the seventh gym.
go to pallet town and swim down to cinabar island and get the key in the mansion and go the gym and unlock the door and there you go
seventh badge is cinnabar island. Fly to Pallet Town, surf south. Then go into pokemon mansion and find the secret key to unlock the gym
In the game Pokemon Yellow you have to beat the leader of gym seven in order to win the Volcano Badge. The leader of this gym is named Blaine and he specializes in fire type Pokemon. To enter this gym you first have to get the secret key. This key is located in the building across from the lab.
That is easy. You have to go to the Pokemon mansion and find the key to unlock the gym.
It depends if you have the galactic key from a grunt in front of the G building. To get it you need the seventh gym badge and you need to go in the lake next to snow point.
The key is in the Pokemon mansion.
The seventh gym is on Cinnabar island,right down of pallet town.To open the doors you must reach to a certain room of the Pokemon mansion.You get a key and open the seventh gyms doors,and the gym is a fire gym
Blaine is the gym leader in Cinnabar Island. When you get to Cinnabar Island the door to the gym is locked, you need to go to the Pokemon Mansion to retrieve the key. Once you have it you get to the gym and battle Blaine to get your seventh badge.
The basement.
To get the Volcano Badge in Pokemon FireRed version, you must fly to Pallet Town and surf downwards until reaching Cinnibar Island, than you must go too the Pokemon Mansion and navigate your way through it until you find the secret key. Once you have the secret key, you can challenge Blaine the Cinnibar Island gym leader. I recommend using strong water or rock Pokemon because Blaine uses all fire type Pokemon.
The 7th gym leader in fire red is Blaine in Cinnabar Island.To unlock The gym, u must go 2 the pokemon mansion,search the gym key in the basement.
you can't delet key items in any Pokemon games.