Teatown Lake Reservation — Year-round Programs & PlantFest

1,000-acre nature preserve with 15 miles of trails, a nature center, wildflower island (visit by reservation), and year-round ecology programs. Annual PlantFest (early May) is the region's best native-plant sale. EagleFest on Long Island Sound. (Rolling: Year-round; PlantFest native plant sale in early May 2026 — monitor the source for specific dates.)