 US 9 eventually draws close to the Northway again at Poke-O-Moonshine Mountain, the Adirondacks' most popular climbing spot.In Chesterfield, without a major highway junction are ended when NY 22 joins US 9 after its exit, the first pairing of two highways that begin their journey upstate in New York City.The two routes enter Keeseville, where in mid-village they cross the Ausable River and enter Clinton County.