Slide Mountain, with a height of 4,180 feet, is the highest point in the preserve. The preserve also in the location of Beaver Kill, Neversink and Willowemoc, three of the best fishing streams in the state.
Visitors can enjoy hiking, picnicking, fishing and boating.
Nearly 5.000 acres of tidal wetlands and uplands occur at Piermont Marhs, Iona Island, Tivoli Bays and Stockport Flats. The Bard College Field Station serves as the Reserve's headquarters. In addition, Iona Island has estuarine interpretive exhibits at the Bear Mountain Trailside Museum and Zoo. Piermont Marsh Component - located at the southern edge of the Village of Piermont 4 miles south of Nyack in Rockland County. The site occupies two miles of shireline south of the mile long Erie Pier and includes the mouth of Sparkill Creek and extnesive tidal shallows.