10th Annual Mayfly Festival on May 16, 2026
Celebrate Water, Life & Community
The Mayfly Festival is an event created by the Coos Watershed Association and local partners that is designed to shed light on the connections between community, the environment, and water. This is a free, all-ages, hands-on celebration of watershed ecology and interconnectedness through activities, games, live music, science, and art.
Thank you to our 2026 Partners!
Thank you to our 2026 Sponsors!
