hearthome gym. you know where that is.
the fifth gym on Pokemon diamond is the one in herthome city,
the FIFTH gym leader is in HEARTHROME CITY! Hope that helps!!
You have to beat her Pokemon.
The fifth gym is in Hearthome city, but in order to challenge the gym you must visit Celestic town first.
in vilstone city not hearthome that's the fifth gym leader
you receive it after beating the fifth gym leader.
After you beat Crasher Wake!
You can find the fifth Gym Leader in Hearthome City. Her name is Fantina.
The seventh gym in Pokemon Diamond, Pearl, and Platinum is located in Snowpoint City, which is to the East of Lake Acuity.
The fifth one in Hearthome City.
The fifth gym is in hearthome city, if you cant get in you have to speak to the gym leader at the contest hall there. (good luck)
The fifth gym is in Hearthome City - you have already been here.
if you beat the 4th gym leader find 5th in iron cave
it is in pastoria city
in heartome city but you need to find the gym leader