one underground path goes from celadon to viridian. there is a second path, but it is permanently closed.
There is no underground tunnel.
You can't.
. underground path in Celedon city
What i did was win V.S. Koga
After passing rock tunnel you will arrive in lavendar town go west from there until you reach an underground path go through the path to reach celadon city.
go through the path from lavender town if it has water next to it it is the wrong path maybe have a few battles and go through the under ground tunnel WA LA! YOU ARE IN BEAUTIFUL CELADON CITY!
Well you go through an underground path and the gym leader you need to know CUT
because there is no underground in Kanto
You cannot go unlock the Underground Path in HG/SS because you don't actually need it, since you can go through Saffron City.
Sorry. You can't. It was never intended to be passable
If you're talking about the one in Kanto, then I'll tell you. You have to get snorlax out of the way using the pokeflute channel on the radio. You then have to battle him. You can faint him, catch him whatever. You will then be able to use the underground path! Hope this helps!
There is no underground tunnel.
The Underground Path in inaccessible in HG/SS.
Because Snolax is blocking the enterance use the poke flute music (you might have to go to the radio tower to get this) on snorlax and he should attack after defeting the path/enterance is open
No Underground Path is in Vermilion City. There is one north of the city that leads to Cerulean City.
you can give it to a in an underground tunnel in kanto and he will give you the TM for explosion
In Goldenrod city and in the kanto region, outside of saffron city
you get this in the underground path
mr bean is not real because other people said the underground path on route 16 but there is no underground path on route 16.