Last Updated on 4 January 2024 Every year, more than one billion monarch butterflies make the 5,000km journey from Canada to Mexico, arriving into high-elevation forests just outside of Mexico City to “overwinter” in near-constant sunshine. The Monarch Butterfly Biosphere Reserve is a pocket of true magic amongst the sacred firs at 3,200m, and witnessing … Continue reading Sierra Chincua Monarch Butterfly Sanctuary: how to see millions of migrating butterflies in Mexico