get heartgold beat it get kyogyre and get RAQUAZA
you can only get groudon on Pokemon ruby.
you can catch groudon at the embedded tower after you obtain the red orb.
Yes, You can catch Groudon in Pokemon Emerald.
u should cause groudon can learn eruption at level 80!
You can't. You can only catch groudon in pokemon ruby.
You should save it for later to catch Latios.
dusk or ultra (tested works)
You can only catch one in one game. In Pokemon SoulSilver, you get Groudon, and in HeartGold you get Kyogre. In Sapphire you get Kyogre, and in Ruby you get Groudon.
You catch him in the Cave of Origin in Sootoplis
you can only catch him in soulsilver
Groudon is not available in Sapphire. You have to trade it from Pokemon Ruby, and there is only one Groudon in the whole Ruby game.you cannot catch groudon in sapphire, but you can have it by transfering it from Pokemon ruby or from Pokemon emeraldyou cannot catch groudon in sapphire, but you can have it by transfering it from Pokemon ruby or from Pokemon emerald
You catch raquazza at the top of Sky pillar by Pacific log town, and you can not catch Groudon in Saphire