Yes simply beat the Pokemon league then reach the top of sky pillar.
You cannot catch rayquaza in fire red you must trade from either ruby or sapphire.
master ball
Sky Pillar
you have to transfer it from emerald,ruby,or saphire.
you cant catch rayquaza you must trade it from emerald
you can catch groudon in ruby in cave of origin then beat the elite four to catch rayquaza on sky pillar
Trade from emerald/ruby/sapphire.
Nowhere, because Rayquaza isn't in Gold at all. Rayquaza was introduced in the 3rd generation games, Ruby/Sapphire/Emerald.
Rayquaza is not in leafgreen, trade one from ruby, sapphire or emerald to leafgreen.You can't without an AR.
Rayquaza is not available to catch in Diamond. You can, however, transfer one from Ruby, Sapphire, or Emerald.
No...unless you defeated the Latios...
For Pokemon ruby you can catch the three regis, rayquaza, groudon, and latios/latias. In sapphire you can catch the three regis, rayquaza, kyogre, and latios/latias. However, in emerald you can catch kyogre, groudon, rayquaza, the three regis, and latios/latias.