Gambart est un petit cratère de 25 Km et profond de 1050 m situé dans la mer des îles (Mare Insularum), près de la région centrale de la lune. Dans le passé le plancher du cratère de Gambart a été inondé par la lave, laissant une surface plate entourée par une arête presque circulaire.

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Gambart is a small lunar crater on the Mare Insularum, near the central region of the Moon. It can be located to the south-southeast of the prominent Copernicus crater. In the past the floor of Gambart crater has been flooded with lava, leaving a relatively flat surface surrounded by a smooth but somewhat polygon-shaped outer rim.

To the northeast, the Surveyor 2 probe landed just to the northeast of the 'Gambart C' crater, to the northeast of Gambart crater. To the southwest of Gambart is an area of hilly terrain deposited from ejecta during the Mare Imbrium impact.