there is no gym leader in lavender town
Gym Four is in Celadon City. Go right from Lavender town. Erika is the Gym Leader, and she trains Grass Pokemon.
There is none
Vermilion city.
the thunder gym in in vermillion city
Viridian city.
Viridian city.
Viridian City gym!!
Fuchshia City
The cerulean city gym.
None he's not in firered.
Viridian City.
In the 4th gym ! After you beaten the gym leader in saffron city!!