snow point temple in snow point city
its at the top of the town map
You don't. You can only catch Regigigas in Diamond, Pearl, and Platinum.
in the snowpoint temple
you need REGIROCK, REGICE, AND REGISTEEL.
that doesnt make sense
You have to have a special Regigigas from an event.
you need event regigigas
No; you cannot catch the three Regis in Platinum, UNLESS you have obtained a special Regigigas through some special events.
Fight the elite 4 and just train your Pokemon
only with a hacking device.
Trade with Pokemon Platinum, Pearl, or Diamond.
I'm sorry but you only have one chance to catch him
You need a event Toys R Us Regigigas.