Another way to get houndour in firered (although it is very difficult) is to snag Houndoom in Pokemon Colosseum, beat Pokemon Coloseum, trade the houndoom to Pokemon Ruby or Saphire, hatch a houndour egg, and trade the houndour to Firered.
OR you can borrow a friend's FINISHED emerald game and go 2 safari go into the additional safari area and if ur luck is there he'll pop out
first get 2 venusaurs and go to prof.oak he will make you choose Pokemon on the left is meowth on the right is bellossom and in the middle is houdour battle prof.oak first win the battle
DA THIS DUZ NOT WORK DONT TRY!
Yeah whoevr gave da original answer is a jackass. u can get houndour in fire red by trading it from emerald version. dnt try wat dat idiot said. lol listen to da guy above me. tanx. keoni A.K.A da Hawaii boi
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You can catch a Houndour in the Altering Cave in Pokemon FireRed.
You get a houndour then evolve it i will update when I find out where to catch houndour
Houndour can't be caught in firered so get one from emerald or colosseum.
Since you can't catch houndour your going to have to trade the Pokemon colosseum houndoom to firered breed it then hatch the egg to get houndour or you can get one from emerald's safari zone.
You cannot catch houndour in Pokemon leafgreen either get one from Pokemon emerald or Pokemon colosseum.