You get to route 8 by going from iccirus city to the swampland below the pokecenter, in winter the water is covered in ice, then make your way around the ice to the end of the swampy parts, and your at route 8!
Well, go to Accumula Town then go to Route 1 then keep going down until you see this young man, and on the left side of him there is some water. Go there and you have to have surf to go through. Use surf and then go down, go left, and then there is a island, so go there and go left and there is a Poke ball mystery, then go right, and a Pokemon Ranger wants to battle so battle her. After you battle her, go down, turn left, go down once again, go left, then you see a porting station then go through it and I think there is a man blocking you if so you have to win the Pokemon league. If there is not a man blocking you then go past the porting station and there is your answer!! Route 17!!Once your at Route 17 beware of the rapidly floating water!!
beat the game once then u can move forward to route 15 and other towns that were blocked before
HM Waterfall can be found at the very end of route 17, the route west of Nuvema and Accumula Towns.
Either in Route 13 or Route 17.
Nest to route 5.
Poochyena can only be found on Route 9 on Pokemon white.
catch it on route 1.
West of Route 1, requires Surf.
It is on Route 17, on the western island.
Route 20 does not exist in Pokemon White, but does in Pokemon White 2.
Deep in route 17. You need surf to get there
You get it in an egg on route 17 or 18
route 17 talk to the PKMN ranger in the little house
Surf left from Route 1 near Nuvema Town, go through Route 17 and you will find Route 18.
The Treasure Hunter on route 13 after you beat the game, Route 17 or held by wild Red-Striped Basculin.
You have to surf from route 1, onto route 17 and navigate through the water current maze to get to the lab.
HM Waterfall can be found at the very end of route 17, the route west of Nuvema and Accumula Towns.
Not in a city, it's on route 17, you can visit it after you obtain HM surf.
walk