- Pasto is a city located in the department of Nariño in southwestern Colombia. It is the capital of the department and has a population of approximately 400,000 people. Pasto is known for its beautiful natural landscapes, including the nearby Galeras Volcano and the Laguna de la Cocha. The city has a rich cultural heritage, with traditional festivities such as the Blacks and Whites Carnival, which is recognized as a Masterpiece of the Oral and Intangible Heritage of Humanity by UNESCO. Pasto is also known for its traditional crafts, such as the woven straw hats known as "sombreros vueltiaos." The city has a variety of historical and architectural landmarks, including the Basilica of Our Lady of Mercy and the Juan de la Cruz church. Pasto has a pleasant climate, with average temperatures ranging from 15 to 20 degrees Celsius (59 to 68 degrees Fahrenheit).