Just trade one from diamond and pearl or migrate from firered and leafgreen or go east from vermilleon city he should be on the docks.
The PokeFlute is used to awaken Snorlax.
Pikachu Lapras Charizard Venasuar Blastoise Snorlax
Route 11 - it should be obvious exactly where...
Pikachu Lapras Snorlax
Pikachu, Charizard, Blastoise, Venusaur, Snorlax, Lapras.
Snorlax does not learn hypnosis.
Give it a full incense and breed it to get a Munchlax egg.
If you catch a Munchlax or Snorlax, they will have one. Otherwise, you can't get one.
I forgot the levels but here are the Pokemon Pikachu Blastoise Snorlax Lapras Charizard Venusaur
Use a Pokeflute to wake it up and then u can catch it or run away from it!
right side of Vermilion city; the city where the KANTO electric gym is
well where i got my left over from was from a snorlax i caught and i think that is one out of 2 places where u can get one ( snorlax is holding the item )