Rock Tunnel.
get the TM surf and waterfall and youll pass it
You need flash and when you go in you will find a girl after wandering around a bit and you need to help her get out of the cave.
underground pass from lavender town to celadon
You need the Rainbow Pass By getting this item you will be allowed to get into Cerulean Cave and be able to go to Islands 1-7 To get this item you have
no !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The rainbow pass is a key item in Pokemon FireRed version. To trigger the events to get it, you first need to own 60 different Pokemon.
You can either head through Diglett's Cave and get to Cerulean by Pewter/Mt Moon or head via the Underground pass on the route just north of Vermillion. You will then need to head East from Cerulean using cut, and head through the Rock Tunnel. On the Route from Lavender (where the Rock Tunnel emerges) you will need go via the Underground Pass which will lead you to towards the 4th Gym.
you can get it at the house where you can see after you pass the digglet's cave but you need to trade it for a abra
That is impossable. If you want lugia you need the wonder pass in Pokemon Emerald Version, which you get at wonder spots. No need to thank me[:-)
Go through the cave.
Celadon City, but you must go via Cerulean -> Rock Tunnel -> Lavender -> Lavender to Celadon by pass.
beat red then you can get pass