National Reserve Monarch Butterfly is located in two states of Mexico - Mexico City and Michoacan. It is the largest habitat on earth the monarch butterflies, which every September, despite their fragility, fly from 2 to 4 thousand kilometers to the Yucatan from the United States and Canada.

For public access park was opened on 21 November 2011.

Overwinter these beautiful creation in a state of torpor oyamel trees, resembling in appearance larch. One butterfly, not larger than 7 cm and weighing no more than 0, 5 grams, but here their incredible arrives is set (to 1 billion), centuries-old trees are heavy with cruise guests, and sometimes even break.

In March, when spring comes, monarchs fly north to breed, which is destined to spend no more than four weeks. In the next journey south will move the fifth generation of the butterflies that spend the winter here a year ago. For scientists to this day remains a mystery how they manage to find their way in the same place where the wintered their ancestors five generations back.

The Mariposa Monarca-- this is the name of the park in Spanish - come every year about 50 thousand tourists from around the world. You can visit the park during a walking tour, as well as on horseback or by bike. On its territory there are small cafes serving local cuisine.

The park is under special protection. Groups of tourists no more than 20 people accompanied by guides with special licenses. Mariposa Monarca, one of four World Heritage Sites by UNESCO in Mexico.