San Gil is a town and municipality in the Department of Santander in northeastern Colombia, located roughly 300 km (192 mi) from Bogotá and 95 km from the department's capital, Bucaramanga. As of 2020, San Gil had a population of 51,874 within the urban area, making it the third largest urban area in the department, after Bucaramanga and Barrancabermeja. Founded in 1689, San Gil is over 300 years old. It was officially named the tourist capital of the region in 2004, thanks to its outdoor activity opportunities such as rafting, caving, kayaking and hiking.