New Hampshire Route 124 (abbreviated NH 124) is a 28.05 miles (45.1 km) long east–west highway 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...

. It runs from Marlborough

Marlborough, New Hampshire

Marlborough is a town in Cheshire County, New Hampshire, United States. The population was 2,063 at the 2010 census. The town is home to the Kensan-Devan Wildlife Sanctuary at Meetinghouse Pond....

 to 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...

 border.

The western terminus of NH 124 is in Marlborough at New Hampshire Route 101

New Hampshire Route 101

New Hampshire Route 101 is a state-maintained highway in southern New Hampshire extending from Keene to Hampton Beach. It is the major east–west highway in the southern portion of the state....

. The road continues through Marlborough, a short section of Troy

Troy, New Hampshire

Troy is a town in Cheshire County, New Hampshire, United States. The population was 2,145 at the 2010 census. It is situated at the base of Mount Monadnock....

 and enters the northwestern part of 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...

. The road skirts the southern slopes of Mount Monadnock

Mount Monadnock

Mount Monadnock, or Grand Monadnock, is the most prominent New England mountain peak south of the White Mountains and east of the Massachusetts Berkshires, and is the highest point in Cheshire County, New Hampshire...

, across Jaffrey, and into Sharon

Sharon, New Hampshire

Sharon is a town in Hillsborough County, New Hampshire, United States. The population was 352 at the 2010 census.-History:Settled in 1738, Sharon was originally a part of Peterborough...

. In Sharon there is an historic marker on the northern side of the road marking the site of a gate that once collected tolls for the 3rd New Hampshire Turnpike, which followed much of the present-day route of NH 124. The road enters New Ipswich

New Ipswich, New Hampshire

New Ipswich is a town in Hillsborough County, New Hampshire, United States. The population was 5,099 at the 2010 census. New Ipswich, situated on the Massachusetts border, includes the villages of Bank, Davis, Gibson Four Corners, Highbridge, New Ipswich Center, Smithville, and Wilder, though these...

 and continues through that town.

The eastern terminus of NH 124 is at the Massachusetts state line in Mason

Mason, New Hampshire

Mason is a town in Hillsborough County, New Hampshire, United States. The population was 1,382 at the 2010 census. Mason, together with Wilton, is home to Russell-Abbott State Forest.-History:...

. The road continues into Massachusetts as an unnumbered local road in the town of Townsend

Townsend, Massachusetts

Townsend is a town in Middlesex County, Massachusetts, United States. The population was 8,926 at the 2010 census.For geographic and demographic information on the census-designated place Townsend, please see the article Townsend , Massachusetts....

.