In Viridian City. Blue is the gym leader and you'll find him lingering on Cinnibar island. You will be able to battle him after collecting all your other badges and talking to him there.
he is at the sea form islands
It is in Mahogany town in the southwestern corner of the town.
He is in the seafoam islands.
mahogany town it is an ice gym or if you mean in kanto it seafoam island and it blanie fire type gym
a city
Cinnabar Island Blaine was always 7th guy
the seventh gym leader is in the island where articuno was in and still is
you go tobmahogny town then catch the red gayrodoes then go where lance is hes in the hous by the Pokemon center then stop the wiered noise then goin the gym and figer out the ice path then battle pryce good luck THAT IS TOTALLY WRONG! The question says KANTO! Not JOHTO!
Yes, after you beat the 7th gym leader.
he is at the lake of rage after you encounter the red gyarados
Use a fire, fighting, or steel type.
Go to the Radio Tower in Goldenrod City.