The fourth gym is the fire gym in fallorbar town.
Chat with our AI personalities
by beating the fourth gym leader
All
The fourth gym is located in Lavaridge Town,past Mt.Chimney on Route 112.
you go to Petalburg city gym to get your fourth bage and surf
after you beat the fourth gym leader ( your dad ) he tells you that wallies uncle want's to see you and he is on the house left to the gym =)