Overview
Chautauqua Lake is a roughly 13,000-acre natural lake in Chautauqua County in western New York, famous for the Chautauqua Institution on its shore and for its two-basin layout connected by a narrows at Bemus Point. Outlet flows leave via the Chadakoin River toward the Allegheny basin; Warner Dam helps regulate levels for flood control and shoreline interests. The lake sits near 1,308 feet elevation in a classic western New York glacial trough.
The lake is relatively shallow overall, with a deeper south basin approaching about 75-78 feet and extensive vegetated shallows. About 41-42 miles of shoreline mix resorts, cottages, wetlands, and public parks. A shallow north basin and deeper south basin behave differently for weeds, wind, and summer recreation.
Chautauqua is a noted muskellunge, bass, and panfish lake managed by the New York State Department of Environmental Conservation. Public launches, parks, and the lakeside communities of Jamestown, Mayville, and Bemus Point support heavy seasonal recreation. Jamestown, Mayville, and Bemus Point anchor boating, sailing, and shoreline tourism.
Levels are regulated in a modest operating band rather than a deep flood-storage drawdown. Wind, vegetation, and small elevation changes strongly affect boating and fishing, so monitoring current lake levels and local notices remains useful through the open-water season. Warner Dam and local cooperation aim to reduce flood peaks while protecting summer recreation elevations.
Current Conditions
- 7-day trendRisingLatest movement can differ from the seven-day trend.
- 7-day changeUp 0.30 ft
- 30-day changeUp 0.39 ft
- Drought conditionsNo Drought
About This Lake
Learn how this lake is managed, what affects its water level, and where Lake Insights gets its data.
Chautauqua Lake is a 13,156-acre natural lake with management context from Warner Dam regulation / Chautauqua County cooperation; NYSDEC fishery. Levels respond to rainfall, runoff, and natural inflows and outflows.





