mahogany town it is an ice gym
or if you mean in kanto it seafoam island and it blanie fire type gym
The fourth gym leader in Pokemon Soul Silver is in Ecruteak City.
in viridian city
Cinawood City.
Viridian city
The last gym is in viridian city
Morty is the Gym Leader of the Ecruteak City Pokemon Gym.
Defeat the viridian city gym leader Blue.
The Gym and Gym leader is in the bottom left of the city near the Pokemon center.
you go to blackthorn city to fight the 8th gym leader
The first Gym Leader who is Falkner, the Violet City Gym Leader, he has a Pidgey and a Pidgeotto.
blackhorn city i think its next to mahogany town
Jhoto=voiet city Kanto=venimine