You can't get houndour in sapphire only emerald and colosseum can.
you can only get houndour in emerald
Houndour can be obtained by trading from Pokemon X or Y. It cannot be caught in the wild in Pokemon Omega Ruby and Alpha Sapphire.
Evolve from houndor. Houndor can be caught at night.
go to route 214 south and you will find a bid patch of grass and HOUNDOR sould be in there.
On pokewalker route volcano path or safari zone after you are able to add blocks. Actually you can find houndor on route 7 in kanto at night. Its an easier way to get houndor. I have soul silver and just a few days ago I caught a houndor on route 7. But it HAS to be at night
level 24
altering cave,
houndoom
No one knows sorry.
it evolves at level 27
you can find a houndor in the grass part b4 valor lakefront
altering cave, it has only zubats but if you go to a Nintendo event the Pokemon in the cave changes. The Pokemon are aipom houndor mareep pineco shuckle smeargle stantler teddiursa and zubat. The first Pokemon you find is zubat. When you go to Nintendo event its completely random