You have to move snorlax by obtaining a radio extension from the radio tower then switch the radio to pokeflute . Btw the snorlax is level 50
beside vermillion city
you have to have cut and a certain Pokemon Abra then go to vermillion city and go through diggletts cave and find a house and a man will trade you mr.mime for your Abra
The Silver Cave is located in Mt. Silver in which you can go after you get all the Johto and Kanto badges. In the Silver Cave you can find lots of strong Pokemon and fight the final boss, Red at the top of the cave.
It will appear in Mt. Silver cave.
You can't get into cerullean cave(the cave with mewtwo in it) on Pokemon silver because according to the game's story, the cave has caved in, but there may still be some remmants of the cave you could get to via a gameshark.
In Pokemon silver I think
Dark Cave
Silver cave in Pokemon Gold is located on route 28 on the way to Mt. Silver. The player will need Cut and Surf to navigate this passage.
After defeating the Pokemon league,Fly to the bottom of the Pokemon league and enter then walk to the left.
yes it is in the ice cave.
Union Cave
mewtwo