New Hampshire Route 137 (abbreviated NH 137) is a 16.57 miles (26.7 km) long secondary 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 southern 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...

. The road runs between Jaffrey

Jaffrey, New Hampshire

Jaffrey is a town in Cheshire County, New Hampshire, United States. The population was 5,457 at the 2010 census.The primary settlement in town, where 2,757 people resided at the 2010 census, is defined as the Jaffrey census-designated place and is located along the Contoocook River at the...

 and Hancock

Hancock, New Hampshire

Hancock is a town in Hillsborough County, New Hampshire, United States. The population was 1,654 at the 2010 census. Hancock is home to the Welch Family Farm Forest....

.

The southern terminus of NH 137 is at U.S. Route 202

U.S. Route 202

U.S. Route 202 is a highway stretching from Delaware to Maine, also passing through the states of Pennsylvania, New Jersey, New York, Connecticut, Massachusetts, and New Hampshire....

 and New Hampshire Route 124

New Hampshire Route 124

New Hampshire Route 124 is a long east–west highway in southern New Hampshire. It runs from Marlborough to the Massachusetts border....

 in Jaffrey. In Jaffrey, NH 137 is named North Street. The northern terminus is northeast of Hancock center at US 202 along the west side of Powder Mill Pond

Powder Mill Pond

Powder Mill Pond is a impoundment on the Contoocook River in Hillsborough County in southern New Hampshire, United States. The pond's dam is located in the town of Bennington, with water impounded into the towns of Hancock and Greenfield....

at Bennington Road.