You don't. You can only go there if you have Pokemon Diamond or Pearl.
defeat may of course.
Mt. Pyre in Pokemon Emerald is near Lilycove City on Route 122. You have to surf to get there, or make it to the Safari zone. There's a cave where you have to go in and move up, and there you will find Mt. Pyre.
Reach mt chimney and then go down.
their is no mt emerald in leaf green where u can get a ruby its mt ember and first you must be the elite 4 then go talk to the rocket members
you go to the top of mt prye and talk to the old lady and the old guy
Go to the top of Mt. Pyre
yes then go to stalteport and show the guy your ticket and he will take you to an island where you catch a legendary pokemon. (i forget which one it is) Comment - I searched for " Where do you find Mt. Chimney on Pokemon Emerald? " and it came up with this ? Why ???
go to mt pyer <peer>
after beating them on top of mt. chimy, go to mt. pyre and talk to the old lady, she'll give it to you
you have to go to Mt. Pyre and stop them there first the go to the shoreline and surf up and the aquas that where standing there will be gone
get a ticket and go too the mt mew
Don't need an event all you have to do is have Pokemon colosseum and Pokemon colosseums 6 Pokemon go through mt battle on colosseum battles its called mt battle vs 100 go through this without losing all your continues and HO-OH is your prize!