According to the United States Census Bureau, the city has a total area of 7.4 square miles (19 km²), of which 7.0 square miles (18 km²) is land and 0.4 square miles (1.0 km²) (6.07%) is water.
Lawrence is on both sides of the Merrimack River, approximately 26 miles (42 km) upstream from the Atlantic Ocean.
On the north side of the river, it is surrounded by Methuen.
On the south side of the river, the town is bordered by North Andover to the east, and Andover to the south and southwest.
Lawrence is approximately 30 miles (48 km) north-northwest of Boston and 27 miles (43 km) southeast of Manchester, New Hampshire.

Aside from the Merrimack River, other water features include the Spicket River, which flows into the Merrimack from Methuen, and the Shawsheen River, which forms the southeastern border of the city.
Lawrence has two power canals that were formerly used to provide hydropower to the mills - one on the north bank of the river, the other on the south.
Channeling water into these canals is the Great Stone Dam, which lies across the entire Merrimack and was, at the time of its construction in the 1840s, the largest dam in the world.
The highest point in Lawrence is the top of Tower Hill in the northwest corner of the city, rising approximately 240 feet (73 m) above sea level.
Other prominent hills include Prospect Hill, in the northeast corner of the city, and Mount Vernon, along the southern edge of the city.
Most industrial activity was concentrated in the flatlands along the rivers.
Den Rock Park, a wooded conservation district on the southern edge of Lawrence that spans the Lawrence-Andover town line, provides recreation for nature lovers and rock-climbers alike.
There are also several small parks throughout town.
According to the United States Census Bureau, the city has a total area of 7.4 square miles (19 km²), of which 7.0 square miles (18 km²) is land and 0.4 square miles (1.0 km²) (6.07%) is water. Lawrence is on both sides of the Merrimack River, approximately 26 miles (42 km) upstream from the Atlantic Ocean. On the north side of the river, it is surrounded by Methuen. On the south side of the river, the town is bordered by North Andover to the east, and Andover to the south and southwest. Lawrence is approximately 30 miles (48 km) north-northwest of Boston and 27 miles (43 km) southeast of Manchester, New Hampshire.
Aside from the Merrimack River, other water features include the Spicket River, which flows into the Merrimack from Methuen, and the Shawsheen River, which forms the southeastern border of the city. Lawrence has two power canals that were formerly used to provide hydropower to the mills - one on the north bank of the river, the other on the south. Channeling water into these canals is the Great Stone Dam, which lies across the entire Merrimack and was, at the time of its construction in the 1840s, the largest dam in the world. The highest point in Lawrence is the top of Tower Hill in the northwest corner of the city, rising approximately 240 feet (73 m) above sea level. Other prominent hills include Prospect Hill, in the northeast corner of the city, and Mount Vernon, along the southern edge of the city. Most industrial activity was concentrated in the flatlands along the rivers. Den Rock Park, a wooded conservation district on the southern edge of Lawrence that spans the Lawrence-Andover town line, provides recreation for nature lovers and rock-climbers alike. There are also several small parks throughout town.
Lawrence, Massachusetts