I don't know, but i do know you can find them on route 221.
It is in Route 221.
on route 209
route 221
You can see Sudowoodo in these locations: Route 209 - PKMN Breeder (Male) Albert (VS Seeker Rematch, 2nd change) Route 216 - Ace Trainer (Female) Maria Route 221 - Wild (25% chance)
I think you can get it near palpark. Or you can evolve a bonsly.
if u r in d-p you can see it in the Pokemon league
Trainer on route 212
you find it at route 221. (need to obtain surf first)
well, you can see a trainer with it in the battle tower/battle foniter
a trainer in victory road has one
The trainer in Victory Road
You can't catch it but you can see it. A trainer south of victory road has it.