 Mount Washington Auto Road

The Mount Washington Auto Road — originally the Mount Washington Carriage Road — is a toll road that extends from New Hampshire Route 16 in Green's Grant, just north of Pinkham Notch, westward across Pinkham's Grant and Thompson and Meserve's Purchase to the summit of Mount Washington in the White Mountains of the US state of New Hampshire.The road climbs from an altitude of at the bottom to at the top, an average gradient of 11.6%.