New Hampshire Route 63 is a 21.47 miles (34.6 km) long north–south state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in Cheshire County

Cheshire County, New Hampshire

-Demographics:As of the census of 2000, there were 73,825 people, 28,299 households, and 18,790 families residing in the county. The population density was 104 people per square mile . There were 31,876 housing units at an average density of 45 per square mile...

 in southwestern New Hampshire

New Hampshire

New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...

. It runs from Winchester

Winchester, New Hampshire

Winchester is a town in Cheshire County, New Hampshire, United States. The population was 4,341 at the 2010 census. The primary settlement in the town, where 1,733 people resided at the 2010 census, is defined by the U.S. Census Bureau as the Winchester census-designated place...

 to Westmoreland

Westmoreland, New Hampshire

Westmoreland is a town in Cheshire County, New Hampshire, United States. The population was 1,874 at the 2010 census. Westmoreland is historically an agricultural town, with much arable farmland.-History:...

.

The northern terminus of NH 63 is in Westmoreland at New Hampshire Route 12

New Hampshire Route 12

New Hampshire Route 12 is a north-south state highway running across the western portion of New Hampshire from the Massachusetts state line to the Vermont state line at the Connecticut River.-Route description:...

. The southern terminus is in Winchester at the Massachusetts

Massachusetts

The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

 state line, where the road continues as Massachusetts Route 63 in the town of Northfield

Northfield, Massachusetts

Northfield is a town in Franklin County, Massachusetts, United States. The population was 2,951 at the 2000 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area...

. In Winchester, the road is named Northfield Road. In Hinsdale

Hinsdale, New Hampshire

Hinsdale is a town in Cheshire County, New Hampshire, United States. The population was 4,046 at the 2010 census. Hinsdale is home to part of Pisgah State Park in the northeast, and part of Wantastiquet Mountain State Forest in the northwest....

 and Chesterfield

Chesterfield, New Hampshire

Chesterfield is a town in Cheshire County, New Hampshire, United States. The population was 3,604 at the 2010 census. It includes the village of Spofford...

, the road travels along the western edge of Pisgah State Park

Pisgah State Park

Pisgah State Park is a woodland located in Cheshire County in New Hampshire. It is the largest state park in New Hampshire and contains a complete watershed north of the Ashuelot River, seven ponds, four highland ridges, numerous wetlands, and a parcel of old-growth forest.-Geography:The park...

.