Only in Leafgreen, Pearl, and Platinum.
Route 205 for Pearl and Platinum, Leafgreen has many.
You can find slowpoke near Azalea town.
Slowpoke is only available in leafgreen.
You can only catch slowpoke in Leaf Green on route 25.
You can catch Slowpoke in Pokemon Gold in the Slowpoke Well that is by Azalea Town and you can also find them in Tohjo Falls.
you find slowpoke in slowpoke well in azalea town but its very rare
You can find Slowpoke in the Abundant Shrine's water and it is more common in rippling water.
in Pokemon platinum, you can find slowpoke in the north side of route 205. But, you need to use a pokeradar to find or else its not possible. hope i helped :)
To catch a slowpoke you have to catch 2 Abra then a slowpoke will appear. It's attack is a yawn cloud. PS: Do this at the Grassland capture challenge
at seafoam islands
You can find slowpoke in pokemon white if you go to the Abundant Shrine, and use surf on the water. When you see a ripple in the water, go to it. Sometimes the wild pokemon is a slowpoke. I have caught one before like this, it works.
You can find slowpoke in the Seafoam Islandsthrough walking, surfing and using the superrod. And you can also even find a Slowbro.And you can also find slowpokes in Route 21and Route 19.-jean- ^_^
Well in Azaelea