When submitting eBird observations at Lake Winnisquam, it is most helpful to start a new checklist for each hotspot around Lake Winnisquam. Use the general hotspot when you have a checklist that includes multiple locations or if no other hotspot or personal location is appropriate for your sightings.

Ahern State Park and Bartlett Beach are located on Lake Winnisquam.

Lake Winnisquam in the Lakes Region of central New Hampshire is the fourth-largest lake entirely in New Hampshire, covering 4,214 acres and having a maximum depth of 155 feet. The lake is fed by the Winnipesaukee River, which also flows out of the lake to join the Merrimack River. Lake Winnisquam has two basins, a larger northern one and a smaller southern one, separated by a bridge carrying US-3 and NH-11. Lake Winnisquam offers a variety of recreational activities, such as bird watching, boating, swimming, fishing, hiking, golfing, and rail biking. The lake is surrounded by five towns: Meredith, Laconia, Sanbornton, Belmont, and Tilton.