Kancamagus Pass - White Mountains, New Hampshire USA Foliage Update: - Sept 26-28, 2010 The White Mountains and Northern New Hampshire are engulfed by the colors of autumn! You will find some great shots in the area of the Kancamagus Pass along the Kancamagus Highway. Grafton Notch State Park in Maine also looks very good (if you want to cross the border) ...