The Allegheny Reservoir, also known as Kinzua Reservoir, is a 12,080-acre impoundment spanning three counties—Warren and McKean in Pennsylvania and Cattaraugus in New York. Created in 1964 by the U.S. Army Corps of Engineers, this expansive reservoir stretches 28.2 miles along the upper Allegheny River with 91 miles of shoreline. The reservoir reaches depths of 130 feet and experiences an annual winter drawdown of 25 feet, concentrating fish and creating excellent angling opportunities during this period. Pennsylvania's portion, at 7,783 acres, sits entirely within the Allegheny National Forest, while New York's 4,297 acres lie within Allegany State Park and the Allegany Indian Reservation of the Seneca Nation. This vast, steep-sided reservoir offers excellent opportunities for walleye, smallmouth bass, and northern pike, with additional populations of yellow perch, rock bass, muskellunge, channel catfish, and brown trout.