Tulcán is the capital of the province of Carchi in Ecuador and the seat of Tulcán Canton. The population of the city of Tulcán was 47,359 in the 2001 census and 53,558 in the 2010 census. Tulcán is known for its hot springs, deep wells, 3-acre topiary garden cemetery, the most elaborate topiary in the New World, created with Cupressus sempervirens by José Maria Azael Franco in 1936. The city is the highest in Ecuador, at 2,950 m (9,680 ft) above sea level.

Carchi is a province in Ecuador. The capital is Tulcán. The Carchi River rises on the slopes of Chiles volcano and forms the boundary between Colombia and Ecuador near Tulcan. Rumichaca Bridge is the most important land route between Colombia and Ecuador.