The Monarch Overwintering Sites in Mexico Spring migration map >>

Monarchs travel to a very small region in Mexico from across eastern North America.
You can see it on the map below. The region is only 73 miles wide and, within the region,
only 12 places have the habitat the butterflies need to survive winter.

  • Which 12 places do the monarchs choose to form their colonies?
    Move your mouse back and forth over the map and see!
The Monarch Overwintering Region in Mexico