you will need to go through Mt. Coronet into Spear Pillar and then battle two galatic grunts.Then your guy will move up to see Cyrus create Palkia and then battle Commander Mars and Jupiter with your rival and then battle Cyrus.He uses Honchrow,Weavile,Crobat and Gyarados.Beat him.Battle with PALKIA and cath it.Then you can go to Sunyshore City!
first gymbadge (orburgh)
The 7th gymbadge is in Cinnabar Island
its in snowpoint city its in snowpoint city
In Snowpoint City up north.
In Diamond, Pearl and Platinum 7th gym is in Snowpoint Town.
in heartome city but you need to find the gym leader
You'll take the boat and head to the next city.
The seventh gym leader is Candice, the Ice Type leader. She is at Snowpoint City.
go to spear pillers and catch palkia
The seventh gym in Pokemon Diamond, Pearl, and Platinum is located in Snowpoint City, which is to the East of Lake Acuity.
u need to push the snowballs around and find a path to her like to pryce the seventh gym leader in pokemon soulsilver and heartgold
use the rainbow pass, and go to seventh island, and talk to Sal in the pokecenter, he will lead you there.