Eterna's gym leader can be found in the Eterna Gym After defeating the three trainers hiding in the trees inside the gym you can find the gym leader at the northern (upper) part of the gym.
go into oreburgh mine and talk to gym leader
Go to Blackthorn city. The gym is there
You find him in the last Gym in Sootoolis City.He is the last Gym leader
The Mahogany City gym leader is not in Cianwood. He is in the gym in Mahogany, not anywhere else.
You get swim from the eldest person in celestic town and then beat heartthrome gym
There in the gym in mossdeep city by the way the gym leader are actually gym leaders.
candace the leader of snowpoint gym is the 7th leader
you can find it in the ciann city pharmacy
In Pokémon HeartGold, you can find the 3rd Gym Leader in Goldenrod City.
Eterna's gym leader can be found in the Eterna Gym After defeating the three trainers hiding in the trees inside the gym you can find the gym leader at the northern (upper) part of the gym.
by winning a contest and by defeating the pastoria gym leader
Go to the lighthouse and the Gym leader should be there.
The eighth gym leader is Claire in Blackthorn City
The gym leader is Giovanni, leader of Team Rocket. You have to come back to Virdian last as he is the Eighth gym leader. THE LAST ONE!
Blue is the guy you go to if you want to find the viridean gym leader
find all the other trainers in the gym