Route 11 (Japanese: １１ばんどうろ Route 11) is the first water route that trainers generally encounter in the Hora Region. It also houses the Osiana Forest. It's northern terminus is at Osiana Town and it's southern terminus is at Route 12.
After leaving Osiana Town, the Trainer comes across Route 11, which, like the past few routes they will have encountered, is snowing. The area is lined with pine trees and patches of white grass. The route itself is short, as the trainer enters Osiana Forest before long. After making it out of the forest, the trainer reaches the ocean, which they cannot cross without Surf. Making it through here places the Trainer on Route 12. Trainers can use Dive in the center of this Route to reach Pokémon not normally found on the surface. One of the Legendary guardians, Lugia, dwells in the waters of this route.