Geography

A view from Boston of Harvard's Weld Boathouse and Cambridge in winter. The Charles River is in the foreground.

According to the United States Census Bureau, Cambridge has a total area of 7.1 square miles (18 km2), of which 6.4 square miles (17 km2) of it is land and 0.7 square miles (1.8 km2) of it (9.82%) is water.

Adjacent municipalities

Cambridge is located in eastern Massachusetts, bordered by:

the city of Boston to the south (across the Charles River) and east the city of Somerville to the north the town of Arlington to the northwest the town of Belmont and the city of Watertown to the west

The border between Cambridge and the neighboring city of Somerville passes through densely populated neighborhoods which are connected by the MBTA Red Line. Some of the main squares, Inman, Porter, and to a lesser extent, Harvard, are very close to the city line, as are Somerville's Union and Davis Squares.

Neighborhoods Squares Central Square Harvard Square Inman Square

Cambridge has been called the "City of Squares" by some, as most of its commercial districts are major street intersections known as squares. Each of the squares acts as a neighborhood center. These include:

Kendall Square, formed by the junction of Broadway, Main Street, and Third Street, is also known as Technology Square, a name shared with an office and laboratory building cluster in the neighborhood. Just over the Longfellow Bridge from Boston, at the eastern end of the MIT campus, it is served by the Kendall/MIT station on the MBTA Red Line subway. Most of Cambridge's large office towers are located here, giving the area somewhat of an office park feel. A flourishing biotech industry has grown up around this area. The "One Kendall Square" complex is nearby, but—confusingly—not actually in Kendall Square. Also, the "Cambridge Center" office complex is located here, and not at the actual center of Cambridge. Central Square, formed by the junction of Massachusetts Avenue, Prospect Street, and Western Avenue, is well known for its wide variety of ethnic restaurants. As recently as the late 1990s it was rather run-down; it underwent a controversial gentrification in recent years (in conjunction with the development of the nearby University Park at MIT), and continues to grow more expensive. It is served by the Central Station stop on the MBTA Red Line subway. Lafayette Square, formed by the junction of Massachusetts Avenue, Columbia Street, Sidney Street, and Main Street, is considered part of the Central Square area. Cambridgeport is south of Central Square along Magazine Street and Brookline Street. Harvard Square, formed by the junction of Massachusetts Avenue, Brattle Street, and JFK Street. This is the primary site of Harvard University, and is a major Cambridge shopping area. It is served by a Red Line station. Harvard Square was originally the northwestern terminus of the Red Line and a major transfer point to streetcars that also operated in a short tunnel—which is still a major bus terminal, although the area under the Square was reconfigured dramatically in the 1980s when the Red Line was extended. The Harvard Square area includes Brattle Square and Eliot Square. A short distance away from the square lies the Cambridge Common, while the neighborhood north of Harvard and east of Massachusetts Avenue is known as Agassiz in honor of the famed scientist Louis Agassiz. Porter Square, about a mile north on Massachusetts Avenue from Harvard Square, is formed by the junction of Massachusetts and Somerville Avenues, and includes part of the city of Somerville. It is served by the Porter Square Station, a complex housing a Red Line stop and a Fitchburg Line commuter rail stop. Lesley University's University Hall and Porter campus are located at Porter Square. Inman Square, at the junction of Cambridge and Hampshire streets in Mid-Cambridge. Inman Square is home to many diverse restaurants, bars, music venues and boutiques. The funky street scene still holds some urban flair, but was dressed up recently with Victorian streetlights, benches and bus stops. A new community park was installed and is a favorite place to enjoy some takeout food from the nearby restaurants and ice cream parlor. Lechmere Square, at the junction of Cambridge and First streets, adjacent to the CambridgeSide Galleria shopping mall. Perhaps best known as the northern terminus of the MBTA Green Line subway, at Lechmere Station. Other neighborhoods Neighborhood Map of Cambridge

The residential neighborhoods in Cambridge border, but are not defined by the squares. These neighborhoods include:

East Cambridge (Area 1) is bordered on the north by the Somerville border, on the east by the Charles River, on the south by Broadway and Main Street, and on the west by the Grand Junction Railroad tracks. It includes the NorthPoint development. MIT Campus (Area 2) is bordered on the north by Broadway, on the south and east by the Charles River, and on the west by the Grand Junction Railroad tracks. Wellington-Harrington (Area 3) is bordered on the north by the Somerville border, on the south and west by Hampshire Street, and on the east by the Grand Junction Railroad tracks. Referred to as "Mid-Block". Area 4 is bordered on the north by Hampshire Street, on the south by Massachusetts Avenue, on the west by Prospect Street, and on the east by the Grand Junction Railroad tracks. Residents of Area 4 often refer to their neighborhood simply as "The Port", and refer to the area of Cambridgeport and Riverside as "The Coast". Cambridgeport (Area 5) is bordered on the north by Massachusetts Avenue, on the south by the Charles River, on the west by River Street, and on the east by the Grand Junction Railroad tracks. Mid-Cambridge (Area 6) is bordered on the north by Kirkland and Hampshire Streets and the Somerville border, on the south by Massachusetts Avenue, on the west by Peabody Street, and on the east by Prospect Street. Riverside (Area 7), an area sometimes referred to as "The Coast," is bordered on the north by Massachusetts Avenue, on the south by the Charles River, on the west by JFK Street, and on the east by River Street. Agassiz (Harvard North) (Area 8) is bordered on the north by the Somerville border, on the south and east by Kirkland Street, and on the west by Massachusetts Avenue. Neighborhood Nine or Radcliffe (formerly called Peabody, until a recent relocation of a neighborhood school by that name) is bordered on the north by railroad tracks, on the south by Concord Avenue, on the west by railroad tracks, and on the east by Massachusetts Avenue.

The affluent Avon Hill sub-neighborhood consists of the higher elevations within the area bounded by Upland Road, Raymond Street, Linnaean Street and Massachusetts Avenue.

Brattle area/West Cambridge (Area 10) is bordered on the north by Concord Avenue and Garden Street, on the south by the Charles River and the Watertown border, on the west by Fresh Pond and the Collins Branch Library, and on the east by JFK Street. It includes the sub-neighborhoods of Brattle Street (formerly known as Tory Row) and Huron Village. North Cambridge (Area 11) is bordered on the north by the Arlington and Somerville borders, on the south by railroad tracks, on the west by the Belmont border, and on the east by the Somerville border. Cambridge Highlands (Area 12) is bordered on the north and east by railroad tracks, on the south by Fresh Pond, and on the west by the Belmont border. Strawberry Hill (Area 13) is bordered on the north by Fresh Pond, on the south by the Watertown border, on the west by the Belmont border, and on the east by railroad tracks. Parks and outdoors Alewife Brook Reservation

Consisting largely of densely built residential space, Cambridge lacks significant tracts of public parkland. This is partly compensated for, however, by the presence of easily accessible open space on the university campuses, including Harvard Yard and MIT's Great Lawn, as well as the considerable open space of Mount Auburn Cemetery. At the western edge of Cambridge, the cemetery is well known as the first garden cemetery, for its distinguished inhabitants, for its superb landscaping (the oldest planned landscape in the country), and as a first-rate arboretum. Although known as a Cambridge landmark, much of the cemetery lies within the bounds of Watertown. It is also a significant Important Bird Area (IBA) in the Greater Boston area.

Public parkland includes the esplanade along the Charles River, which mirrors its Boston counterpart, Cambridge Common, a busy and historic public park immediately adjacent to the Harvard campus, and the Alewife Brook Reservation and Fresh Pond in the western part of the city.