Road 18/19 and Snowbelle City | Walkthrough Pokemon X/Y Guide

Head east, and the south to Couriway Town. There is nothing to do here, so go South, battle professor Sycamore, and enter road 19. Proceed south, than east, then once again south. Turn west on a wooden bridge and go through the passage (feel free to divert from the path, enter the meadow and level up in the swamp). On the way to Snowbelle You will encounter Your rival, for another battle and receive HM Waterfall. The leader in Snowbelle is absent, You must track him down. Head south in Snowbelle and turn west at the end of the road, and enter the forest, which is road 20.