Lake Tonawanda is a small lake in the town of Tonawanda, western New York, just north of Buffalo. It's about 1 mi long, ½ mi wide, ~200 acres. Fed by small streams; outlet is Tonawanda Creek → Niagara River.
Popular for fishing, boating, swimming; surrounded by parks and nature preserves with trails and wildlife viewing.
Historical note: The 1763 Treaty of Paris (ending the French and Indian War) was signed on its shores.