Aporo is one of 113 municipalities in the state of Michoacán, Mexico. The municipal seat is the town of Aporo. Most of the municipality is forested and considered to be part of Monarch Butterfly Biosphere Reserve, where millions of monarch butterflies arrive to stay five months each winter. The town and municipality have mostly adobe structures with tile roofs and the main architectural site is the San Lucas Evangelista Church, which was built in the 20th century. The town The town of Aporo is a small rural community of less than 3,000 people, accounting for about seventy percent of the municipal population. (inegi) It is located in the mountains at an altitude of 2,280 meters above sea level at the eastern edge of the state. The center of the town is the parish church of San Lucas Evangelista, which honors Saint Luke. This church is the most important architectural structure in both the town and municipality. The building of the church was the work of Eleuterio Raya Zavala, who was the parish priest of the area for thirty six years in the early and mid-20th century. He also had the Chapel of San Francisco built as well. This church hosts the annual feast day of the patron saint, Luke, with music, dance, amusement rides, fireworks mounted on structures called "castillos" (castles) and "toritos" (little bulls) which brings visitors from surrounding communities. During this and other festival typical dishes of the area include corundas, mole, barbacoa and "guenches" which is a larva found on strawberry trees. The municipality Aporo is by far the largest community in the municipality, with about sixty nine percent of the total population of 2,705 (2005). Other communities include Rincón de Soto (263), Arroyo Seco (145), Ojo de Agua (89) and Juan Perez (126). The town is the local government of an area of over 55km2. The municipality is bordered by the municipalities of Senguio, Angangueo, Ocampo, Tuxpan and Irimbo. Its geography includes the Sierra de Anguangeo and other peaks such as Don Felix, Chino, Colorado, Prieto and Seco. The entire area is part of the Trans-Mexican Volcanic Belt. The two principal rivers are the Zarco and the El Grande, supplemented by a number of fresh water springs such as the San Luis and the Ojo de Agua de Martinillos. It has a cold climate with rains in the summer, with average temperatures ranging from 7.8C to