Go get the SecretPotion from Cianwood and give it to Jasmine at the top of the lighthouse. You can then battle htr.
or if you cant get to her where it looks like a window; there is a door.
lighthouse?
the sexth gym leader jasmine is in the lighthouse
Go to the lighthouse and the Gym leader should be there.
He is in the lighthouse
The lighthouse is in Olivine City, where the gym leader Jasmine is.
The Sunyshore City Gym Leader can be found in the city's Lighthouse.
you can get out the gym leader on the lighthouse is bring her a secretpotion that you can get to the cianwood pharmacy
lighthouse, watching "Amphy"
go to lighthouse (top) talk to gym leader
his is in the lighthouse in sunnyshore city
Cinawood city, which is in the next town after the one with the lighthouse.
Volkner is at the top of the lighthouse. Go to him and he will go to his gym.