walk in
In Pokémon HeartGold, you can find the 3rd Gym Leader in Goldenrod City.
the name rater is in goldenrod city to the left of the third gym (Whitney)
The third Gym Leader in Pokémon HeartGold who is Whitney the Goldenrod City Gym Leader, she'll be in the Radio Tower when you arrive in the city. You have to get the Radio Card for the PokéGear before you can battle her.
there is no 9th gym
i think you mean what type of Pokemon does the third gym use and the answer is normal type so you must defeat it with fighting type
You CAN NOT become a Gym Leader in Pokemon HeartGold and SoulSilver or ANY MAIN SERIES POKEMON GAME.
You don't. Go south and you will be able to move it after the third gym leader.
The gym is in Blackthorn City.The gym leader is Clair.
He has many types.
awww by beating the 7th gym
try beating the gym leader
its in azalea town