Brandywine Creek State Park is a state park, located north of Wilmington, Delaware along the Brandywine Creek. Open year-round, it is in area and much of the park was part of a Du Pont family estate and dairy farm before becoming a state park in 1965. It contains the first two nature preserves in Delaware. These nature preserves are Tulip Tree Woods and Freshwater Marsh. Flint Woods is a satellite area of the park and has become the park's third nature preserve. Flint Woods is home to species of rare song birds and an old-growth forest. The park's forests are part of the Northeastern coastal forests ecoregion.