You got to go to the tower in the 6th town and to top and give her the secret potion then she is at the gym
You go to the 6th gym.
Go south, then east from the beach using surf, then go to the pharmacy and get the medicine.
beat pokemon gym leader clay,take on route 6, go through chargestone cave,then you'll be at the 6th gym.
After you beat your rival after the 6th gym
You answer 5 questions in the radio tower in goldenrod city,she'll talk to you and go back into her gym.
You just have to climb the light house, talk to her then go to the pharmacy in cianwood and he will give you the secretpotion.
go through ice path
try specifing which version first. :)
you go to the canclave library
it's in blackthorn city and you got to go to dragon's den because the gym is closed when you first go there
You go to the 7th gym in Snowpoint City. When you go to your map look for the city that is the furthest up and go there. The gym leader uses ice type pokemon.
Go through the Ice Cave!Mr. Seidschlag