you travel through mt. cornet up to route 216 and 217 and acuity lakefront so you can beat the 7th gym. she uses ice pokemon. i recomend using fire or fighting lv.40-100. good luck!
you can do about anything after you just cant beat the gym leaders again.
you go to sunyshore city and beat the gym leader
go to hearthome city
the sixth gym is in canalave city
You have to beat the Gym Trainer Wake and he will give you surf. Then you have to surf there.
beat the gym leaders
you beat the sixth gym
Surf from Jubilife city to Canalave (Left)
In Canalive City to the west of Jubilife 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.
Go beat the fourth
beat gym leader Candice
beat the heart home gym
umm...you beat the 7th gym
Go to the veilstone gym and beat maylene.
you must beat the eighth gym leader and he will give you the badge.
BEAT THE GYM