The High Line is a 1.45-mile-long elevated park, greenway built on a historic, elevated freight line. The High Line is a public park programmed, maintained, and operated by Friends of the High Line, in partnership with the New York City Department of Parks & Recreation. View art, walk through gardens, experience a performance, enjoy delicious food.The southern end of the park is shaded by gray birch and serviceberry trees. Washington Grasslands & Woodland Edge section is full of grasses, perenni