Route 302, west, from North Conway, NH to the Bretton Woods Ski area. Right onto the Cog Railway road and head toward the Cog Railway. A few miles out there is an intersection with the Cog road, Mount Clinton road on the right and Jefferson Notch Road on the left. Turn left on Jefferson Notch Road.
Jefferson Notch road climbs the west side of Mount Jefferson and reaches a max. altitude of 3032 feet. It is the highest altitude for any public road in New Hampshire. On a Sunday while out for a ride we encountered the first snow of the year in the White Mountains. Normally this road is close in the winter