Torre Grossa is the tallest tower in San Gimignano, with 54 m. It is one of the best known of Tuscany's medieval towers. It was built in 1310.
Wikipedia https://en.wikipedia.org/wiki/Torre_Grossa
Address 4 Piazza Duomo, San Gimignano 53037, Italy
Coordinates 43°28'3.468" N 11°2'34.52" E