Only 300 Miles to Go!
The largest roost—and southernmost report of peak migration—came from a valley only 300 miles from the overwintering region. Near here, monarchs famously stream into the inner montane valleys through a portal called the Novilla Canyon.
"The locals told me the butterflies had already been here for at least four days and were awaiting a strong north wind to migrate south."
Alfonso Banda October 26, 2013 Juamave, Tamaulipas