The gym is right next to the pokemart you can't miss it.
Go in Violet City and into the gym.
The Gym is in Violet City. Leader: Faulkner, Flying Type
ANSWER: you shut up
You only have to go north when you get to Violet City and you will find it north of the Violet City Gym.
the next city with a gym is Azelea town it has bugzy as the leader
The first Gym Leader who is Falkner, the Violet City Gym Leader, he has a Pidgey and a Pidgeotto.
Just beat all the gyms. The first one is in Violet City
It's pretty self explanatory. You go to Violet City and fight him in his gym.
You need to defeat the gym first and by doing that you need to do the sprout tower before that.
The fourth gym leader in Pokemon Soul Silver is in Ecruteak City.
Ecruteak City
in cerulean city