| Lake Champlain (French: lac Champlain) is a large | | | | compared with Ontario, Erie, Huron, Superior, or |
| lake in North America, mostly within the borders | | | | Michigan, Lake Champlain is a large body of fresh |
| of the United States (states of Vermont and | | | | water. Approximately 1130 km2 (435 square |
| New York) but partially situated across the | | | | miles) in area, the lake is roughly 180 km (110 |
| US-Canada border in the province of Quebec. | | | | miles) long, and 19 km (12 miles) across at its |
| The lake was named for the French explorer | | | | widest point. The maximum depth is |
| Samuel de Champlain, who encountered it in 1609. | | | | approximately 400 feet. It contains roughly 80 |
| It is the sixth-largest[verification needed] natural, | | | | islands, including an entire county in Vermont. |
| freshwater lake in the contiguous United States, | | | | Colonial America and the Revolutionary War |
| situated in the Champlain Valley between the | | | | In colonial times, Lake Champlain provided an |
| Green Mountains of Vermont and the Adirondack | | | | easily traversed water (or, in winter, ice) passage |
| Mountains of New York, drained northward by the | | | | between the Saint Lawrence and the Hudson |
| Richelieu River into the St. Lawrence River near | | | | Valleys. Boats and sledges were usually preferable |
| Montreal and fed by Otter Creek, the Winooski, | | | | to the unpaved and frequently mud-bound roads |
| Missisquoi, and Lamoille Rivers in Vermont, and the | | | | of the time. The northern tip of the lake at |
| Au Sable, Chazy, Boquet, and Saranac Rivers in | | | | Saint-Jean-sur-Richelieu, Quebec (St. John in colonial |
| New York. Lake Champlain also receives water | | | | times) is a short distance from Montreal. The |
| from Lake George via the La Chute River. | | | | southern tip at Whitehall (Skenesborough in colonial |
| The lake varies seasonally from about 95 to 100 | | | | times) is a short distance from Saratoga, Glens |
| feet above mean sea level. | | | | Falls, and Albany, New York. |
| While the ports of Burlington, Vermont, Port | | | | Forts at Ticonderoga and Crown Point (Fort St. |
| Henry, New York, and Plattsburgh, New York are | | | | Frederic) controlled passage of the lake in colonial |
| little used nowadays except by small crafts, | | | | times. Important battles were fought at |
| ferries and lake cruise ships, they had substantial | | | | Ticonderoga in 1758 and 1777. A significant naval |
| commercial and military importance in the 18th | | | | battle was fought in 1776 at Valcour Island: in the |
| and 19th Century. | | | | Battle of Valcour Island, Benedict Arnold delayed |
| A region of large freshwater lakes | | | | British ships enough to prevent the fall of these |
| Lake Champlain is one of a large number of large | | | | forts until the following year, allowing the |
| lakes spread in an arc from Labrador through the | | | | Continental Army to grow stronger and enabling |
| northern United States and into the Northwest | | | | the later victory at Saratoga. |
| Territories of Canada. Although it cannot be | | | | |