Lilac Festival 2025 Mackinac Island. 6/15/2025 june 15, 2025 select date. Join us on saturday, june 7, 202 for a great early summer 10k on mackinac island and help kick off the 77th mackinac island lilac festival!

Book your trip to mackinac island…the jewel of the great lakes. Amidst thousands of fragrant lilac blossoms, we’ll stroll through the park, then up the hill, looking for migrating warblers, raptors overhead, and resident songbirds.