==ansewer== no you do not find dialga in snowpoint city
You can find them in the pokemart in snowpoint city
You can get it at the snowpoint city temple at the bottom of the temple.
you find it on your way up to snowpoint city
It's right next to Snowpoint City...
go in by Hearthome city
you can catch girl Machockes around Snowpoint city
Go to Spear Pillar after you beat snowpoint gym and beat the mission that is given afterwards. Fight Cyrus and Dialga. I suggest saving before the battle because if you faint dialga, you can't get it back.
you need to cacth dialga first
While walking in the area near Snowpoint City, you will find it in the snow near a house.
you go to Snowpoint city and go to REGIGIGAS and turn left and click on the stone then there you have it
There are two places to get it. Snowpoint city Celestic town
Top Right House In SnowPoint City :) Hope This Helps :)