Kancamagus Highway Fall Foliage 2025. Most people come to the kancamagus highway during the foliage season to see the bright colored leaves. However, nothing beats experiencing the fall and peak foliage season on the kancamagus.

The scenic route 112, better known as the kancamagus highway, is the only road that passes directly east and west through the white mountain national forest. The best time to see the fall foliage on the kancamagus highway depends on the weather mostly.