sunnyshore city if you have palkia
The 8th gym leader is in Sunyshore City not out of town, he's just up in the beacon lighthouse.(at the top)looking through binculars. this is for Pokemon diamond and pearl!
Celestic Town, after you beat the Gym Leader.
Blackthorn City, after Mahogany Town and after Ice Path
It is in the Great Marsh, you can get in there once you defeat the town's gym leader.
you go on to solacion town
in the begging of the game theres a gym near pallet town that's where Giovanni is the last gym leader
The eighth gym in diamond is in sunnysore. The leader is Volkner. He has raichu, ambipom, octillery, and luxray at lvls 46, 47, 48, and 49. You must battle a lot of trainers to get to him so be prepared.
go up from solaceon town
I have that game. I just went to the town witch that gym leader is and found my way to them and fought them.............................
You have to defeat fantina in hearthome city after you save celestic town and look at the cave painting.
You must go into the cave in the south of town to find the gym leader in the back.
No, they removed Lavender Town in Pokemon Diamond, Pearl, and Platinum.