The Leaning Tower of Pisa (Italian: Torre pendente di Pisa or simply La Torre di Pisa) is the campanile, or bell tower, of the cathedral of the Italian city of Pisa. It is situated behind the Cathedral and it is the third structure in Pisa's Campo dei Miracoli (field of Miracles).

The tower is famous for its noticeable lean. It was intended to stand vertically, to serve as a bell tower, but began leaning soon after construction started in August of 1173.

The height of the tower is 55.86 m (183.27 ft.) from the ground on the lowest side and 56.70 m (186.02 ft.) on the highest side. The width of the walls at the base is 4.09 m (13.42 ft.) and at the top 2.48 m (8.14 ft.). Its weight is estimated at 14,500 tonnes. The tower has 294 steps.

This article is licensed under the GNU Free Documentation License.