its the petalburg gym and/or gym 5.
Pokemon ruby where is the 6 gym
petalburg gym
journey again to achieve the another battle called the 8th gym Pokemon ruby
In the 8th gym. he is the gym leader
Wattson the electric gym.
The town in which the third gym is in on Pokemon ruby is in Mauville City (or town, I don't know which one)
The Fourth Gym is in Lavaridge City.
it is Mauville gym
Your "dad".
in sootoplis
In Pokemon Sapphire, Ruby and Emerald the 7th Gym that's located in Mossdeep City has Psychic type Pokemon.
the gym is in fortree city and it is flying type gym