Once property of Brookhaven National Laboratory and former military installation called Camp Upton, Brookhaven State Park is 1,638-acres and is part of the central core of the Long Island Pine Barrens. The Park runs along the east side William Floyd Parkway north of Whiskey Road, and between NY 25 and NY 25A. For the avid hiker, the park features The Brookhaven Trail, which heads south through the park and hooks up with the white-blazed Paumanok Path.
In addition to various oak-pine habitats this park also contains scattered wetlands. Some of Brookhaven's foliage includes flowering dogwood, wild geranium, Christmas fern and pitch pine. Coastal plain ponds also lie within the park boundaries.