You can't. But you can get it in other games like Pearl or Diamond.
You can find one that trains your Dash in the Meeting place, but how to befriend one, you must go to the Lava Zone.
P-117 in PokePark Wii is Ponyta
You must go to the Meeting Place, and talk to the Ponyta near the Beach Zone gate.
You cannot find Ponyta. You must get a Rapidash from Route 12 and breed it
in the grass by stark mountain
Rapidash i've yet to see in the wild besides the area surrounding Battle Zone, Survival Area, and the Resort Area. Ponyta can be found near the road between Oreburgh City and Eterna City, in the grass below the cycling road.
Not there
In Yellow Version, Ponyta is found exclusively on Route 17; its encounter rate is 24%.
Yes, after you beat the elite four, a new area will open in the safari zone. You will find ponyta in there.
ponyta
route 206
u can find it by moltres
See related link.