Chautauqua Lake is located entirely within Chautauqua County, New York. The lake is approximately 17 miles (28 km) long and 2 miles (3.2 km) wide at its greatest width. The surface area is approximately 13,000 acres (53 km²). The maximum depth is about seventy-eight feet (23 m). Chautauqua County is a county located in the U.S. state of New York. ...

The water from the lake drains to the south, entering the Allegheny River and the Ohio River, instead of flowing north into the Great Lakes. The Allegheny River (historically, especially in New York state, also spelled Allegany River) is a tributary of the Ohio River, approximately 325 mi (523 km) long, in the U.S. states of New York and Pennsylvania. ... Carl D. Perkins Bridge in Portsmouth, Ohio with Ohio River and Scioto River tributary on right. ... The Great Lakes from space The Great Lakes are a group of five large lakes on or near the United States-Canadian border. ...

At the southern end is the City of Jamestown, New York. The village of Mayville, New York is at the northern end. The lake is used primarily for tourism and recreation, mostly boating and fishing. Jamestown is a city located in Chautauqua County, New York in the USA. As of the 2000 census, the city had a total population of 31,730. ... Mayville is a village located in Chautauqua County, New York. ...

Other villages located on the Lake are Bemus Point, Lakewood, Celeron, and Chautauqua. Other settlements located on the Lake include Fluvanna, Greenhurst, Maple Springs, Dewittville, Stow, Cheney's Point, and Ashville Bay.

Chautauqua Lake is world known for its excellent muskellunge fishing and sailing and for being the home of the world famous Chautauqua Institution. The Chautauqua Institution is a non-profit adult education center and summer resort in Chautauqua, New York. ...

There is one bridge that connects the opposite sides of the lake. The bridge travels from Bemus Point, New York to Stow. Additionally, there is a ferry that at one time ran the same course. Bemus Point is a village located in Chautauqua County, New York. ...