The 7th Gym Is the one in Snowpoint City and its Gym Leader is Candice who LOVES Ice based moves.
the seventh gym is at sekka city
In the mahogany gym
In gym number seven
pryce the ice type gym leader
mahogany town
fire
The seventh gym leader is Candice, the Ice Type leader. She is at Snowpoint City.
Mossdeep cityit is in mossdeep
Candice
On cinnibar island.
Cinnibar island.
You go on to defeat the eight gym leader.