its at the basement of the dept. store in golden rod city
It shoud be B1 in the goldenrod city's department store. You'll have to use the elevator.
You dont. There is no underground.
unfortunately, no. unless you're referring to the underground paths.
The Goldenrod Underground.
radio tower
yes
there is a grunt in the underground,you just need to look for him/her(i dont know what gender).
When you beat snorlax
get to the place where you can pressthe buttons and press green
go to underground goldenrod
you can't get underground in soul silver. if you're looking for stones trade Pokemon from diamond, pearl, or platinum holding them.
Underground Soul was created in 2006.