Monarch Grove Natural Area was added to Your Favorites!

Los Osos, California
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Every year, thousands of monarch butterflies migrate to this grove, making it one of the largest overwintering sites for these butterflies in California.
The grove provides the ideal microclimate with its eucalyptus trees offering shelter and warmth during the winter months.
It is part of the Morro Bay State Park, which encompasses diverse habitats including estuaries, salt marshes, and coastal dunes.
The peak season to witness the monarch butterflies is from late October to February, when they cluster in the trees.
Local and state organizations work together to preserve the habitat and ensure the survival of the monarch butterfly population.
The site offers guided tours and educational programs to raise awareness about the monarch butterflies and their conservation.
Visitors can enjoy the natural beauty and observe the butterflies without any entrance fee, making it accessible to everyone.