Have a strong fire type pokemon.
snowpoint city
The seventh gym in Pokemon Diamond, Pearl, and Platinum is located in Snowpoint City, which is to the East of Lake Acuity.
the seventh gym badge snowpoint gym
It is Candace, The Ice-Type Gym Leader.
In Pokemon pearl/platinum/diamond Candice is the 7th/snowpoint city gym leader.
Candice is the 7th/snowpoint city gym leader
Go to snowpoint city through Mt. Cornet. It will be snowy there. Battle the gym leader.
In Diamond, Pearl and Platinum 7th gym is in Snowpoint Town.
The seventh gym is located in Snowpoint City at the very top of the map. You need to get through Mount Coronet and 2 snow routes to get there.
the best way to beat the 7th gym leader is with a fire type Pokemon
The 7th leader is Candice in Snowpoint City
The seventh gym leader in Pokemon Diamond is located in Snowpoint City. Her specialty is Ice type Pokemon, so make sure and have a powerful Fire type. Good luck!