The Festival of San Sebastián (Fiesta de San Sebastián) is one of the most important religious celebrations in Leticia, in the department of Amazonas.

This holiday, which takes place each year on January 20, honors San Sebastian, the city's patron saint, and is a vibrant display of the devotion and cultural traditions of this border region of Colombia. During the festival, Leticia is transformed with a series of events that include religious processions, solemn masses, and various cultural and recreational activities.
 
The inhabitants of the city and visitors participate in the processions that run through the main streets of Leticia, carrying the image of Saint Sebastian on a journey full of fervor and spirituality. In addition, folk dances, traditional and modern music concerts, and craft fairs are held that showcase the cultural and artistic wealth of the Amazon region.
 
Local cuisine also plays a prominent role, with food stalls offering typical dishes such as Amazonian fish and other jungle delicacies. The Festival of San Sebastián is not only a religious event, but also an opportunity to strengthen community ties and celebrate the cultural identity of Leticia and its surroundings, integrating people from different backgrounds in a festive and enriching experience.