in canalave city
The 6th Gym Leader in Pokemon Platinum is Byron in Canalave City. He specializes in Steel-type Pokemon and has a Steel based Gym that looks like a construction site.
In Pokémon Platinum, the 6th Gym Leader, Byron has Steel-type Pokémon. The Steel-type Pokémon that he has during the first match until you beat him are Magneton, Steelix and Bastiodon.
The fifth gym leader in Pokemon platinum is crasher wake but you get the fourth badge.
The water Pokemon gym leader is in Pastoria City.
Byron (as Roark's Dad.) He is the 6th Gym leader in Diamond, Pearl, and Platinum. Also his Pokemon is Steel type.
The eighth gym leader in Pokemon platinum is the one in sunny shore city.
The Gym Leader of the Snowpoint Gym.
it doesn't matter as long as if your strong enough to battle the gym leader
the 6th gym is in canalacve city
You use your strong(est) Pokemon to kill the Gym Leader's Pokemon.
The 6th gym leader is in Fortree City.
Do you mean a gym leader?