Go east from Ecruteak City and Surf across to the other side of the water twice and will eventually arrive in Mahogany Town where the 7th gym is.
The eighth gym leader still awaits, as well as the whole of Kanto.
u need to push the snowballs around and find a path to her like to pryce the seventh gym leader in pokemon soulsilver and heartgold
You CAN NOT become a Gym Leader in Pokemon HeartGold and SoulSilver or ANY MAIN SERIES POKEMON GAME.
Not enough info: which gym leader?
Pryce, in Mahogy town. But first you have to defeat/capture the red garydos and the team Rocket Hideout before you can go into the gym.
In the goldenrod gym.
In the mahogany gym
The seventh gym leader is Candice, the Ice Type leader. She is at Snowpoint City.
beat gym leader
Brock.
You go on to defeat the eight gym leader.
defeat gym leader.