after getting the Pokemon Flute go west of celadon city and wake up snorlax and then head south to fuschia city which is where the 5th gym leader is.
you take level 43 Pokemon all water types
the fifth gym leader is Koga which is in fuchia city or you can switch the order and challenge Sabrina in saffron city but you have to beat Giovanni in the silph co.
She should be back at her Gym in Hearthome now, since she's the fifth Gym leader and all.
Poison type pokemon, other trainers in the gym also have psychic but again the leader has poison type
you have to break the code
Sabrina, the psychic gym leader. She is located in Saffron City just after beating Koga, the fifth gym leader.
were is the fifth gym leader
Beat the fuchsia city gym leader.
The fifth gym leader is fantina.She is in hearthome city.
the FIFTH gym leader is in HEARTHROME CITY! Hope that helps!!
The fifth gym leader in Pokemon platinum is crasher wake but you get the fourth badge.
She is in Hearthrome City, in Platinum she is the 3rd gym leader.
The fifth Gym Leader in Pokemon LeafGreen is Koga, the leader of Fuschia City's Gym. He specializes in Poison-type Pokemon and hands out the Soul Badge.
you take level 43 Pokemon all water types
in fushia city
hearthome
in vilstone city not hearthome that's the fifth gym leader