It is in Viridian City right behind the pokemart and pokemon center
The eighth gym leader is Claire in Blackthorn City
1. SP (spell check for all you n00bletts out there) 2. The 8th gym leader is in Viridian City. Its the city after your hometown.
it depends............................WHICH GAME??!!??!!
The 8th gym in Pokemon Yellow is situated in Viridian City. It is the second city you encounter when you first begin your game.
The eighth gym leader is in Viridian City. It is the team rocket's leader!
Defeat the eighth gym leader.
After the eighth gym? Or after Pokemon league? well, for eighth gym, i recommend.. I got nothing, but for after Pokemon leagu, they give little exp, so Red.
sunnyshore city
The eighth badge in Viridian City. The gym leader is Giovanni. In order to enter the gym you have to have all seven badges, and have beaten Giovanni at Silph Co. and Rocket Game Corner.
The eighth Gym Leader, Juan, can be found in the Sootopolis City Gym after you have dealt with Teams Aqua and Magma. He trains Water-type Pokémon.
you can get to the 8th gym after you defeat team galactic and defeated 7th gym.
To get in the 8th gym you have to go find the gym leader in the light house.