There are 66 miles of hiking trails, with the length varying between a half-mile and 20 miles and a range in difficulty from very easy to moderate.
Whitewater rafting is a popular activity in the park on the Genesee, with the rapids receiving a Class II-III rating. Rafting trips and guided canoe journeys down the river take about two hours to cover a six-mile stretch.
The Highbanks campgrounds include 270 sites with electric hookups and open in the mid-May before closing in mid-October. People can bring their pets if they camp in the loops that allow them.
During the winter, Letchworth is a setting for such sports as skating, snowmobiling, skiing and snowshoeing, with half the hiking trails open to cross-country skiers.
In some places, the Genesee River flows through areas where the surrounding cliffs are 600 feet high. At one point the water cascades down a 107-foot drop, giving the area the nickname of "The Grand Canyon of the East."