Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== Great Lakes ====== {{:geography:great_lakes.jpg?600|The Great Lakes of North America}} The **Great Lakes** are a system of five interconnected freshwater lakes located in eastern North America. Together, they form the largest group of freshwater lakes on Earth by total surface area and contain approximately 21 percent of the world's surface fresh water. The Great Lakes consist of: * [[geography:lake_superior|Lake Superior]] * [[geography:lake_michigan|Lake Michigan]] * [[geography:lake_huron|Lake Huron]] * [[geography:lake_erie|Lake Erie]] * [[geography:lake_ontario|Lake Ontario]] Michigan is uniquely positioned among the Great Lakes states, bordering four of the five lakes and possessing the longest freshwater coastline of any political subdivision in the world. ---- ===== Quick Facts ===== ^ Attribute ^ Information ^ | Number of Lakes | 5 | | Surface Area | Approximately 94,250 square miles | | Water Volume | Approximately 5,439 cubic miles | | Countries | United States, Canada | | Largest Lake | [[geography:lake_superior|Lake Superior]] | | Smallest Lake | [[geography:lake_ontario|Lake Ontario]] | | Freshwater Share | Approximately 21% of global surface freshwater | ---- ===== The Five Great Lakes ===== ==== Lake Superior ==== [[geography:lake_superior|Lake Superior]] is the largest, deepest, and coldest of the Great Lakes. Notable characteristics include: * Largest freshwater lake by surface area in the world * Maximum depth of over 1,300 feet * Rugged shoreline * Significant shipping activity ---- ==== Lake Michigan ==== [[geography:lake_michigan|Lake Michigan]] is the only Great Lake located entirely within the United States. Notable features include: * Sleeping Bear Dunes * Extensive beaches * Major ports * Tourism destinations ---- ==== Lake Huron ==== [[geography:lake_huron|Lake Huron]] borders both Michigan and Ontario. Notable features include: * Georgian Bay * Thousands of islands * Mackinac Island * Historic shipping routes ---- ==== Lake Erie ==== [[geography:lake_erie|Lake Erie]] is the shallowest of the Great Lakes. The lake supports: * Commercial fishing * Recreation * Shipping * Agriculture Its warmer waters contribute to a productive ecosystem. ---- ==== Lake Ontario ==== [[geography:lake_ontario|Lake Ontario]] is the easternmost Great Lake. The lake connects to the Atlantic Ocean through: * St. Lawrence River It serves as a major transportation corridor between the interior of North America and international markets. ---- ===== Formation ===== The Great Lakes were formed primarily by glacial activity during the last Ice Age. As massive continental glaciers retreated approximately 10,000 to 15,000 years ago, they carved deep basins into the landscape. These basins gradually filled with meltwater and precipitation, creating the modern Great Lakes system. ---- ===== Michigan and the Great Lakes ===== Michigan's geography is defined by the Great Lakes. The state borders: * [[geography:lake_superior|Lake Superior]] * [[geography:lake_michigan|Lake Michigan]] * [[geography:lake_huron|Lake Huron]] * [[geography:lake_erie|Lake Erie]] Major Michigan communities located along the Great Lakes include: * [[places:detroit|Detroit]] * [[places:alpena|Alpena]] * [[places:ludington|Ludington]] * [[places:manistee|Manistee]] * [[places:tawas_city|Tawas City]] * [[places:rogers_city|Rogers City]] * [[places:cheboygan|Cheboygan]] The Great Lakes influence Michigan's economy, climate, recreation, transportation, and culture. ---- ===== Shipping & Commerce ===== The Great Lakes form one of the world's most important inland transportation systems. Major industries supported by Great Lakes shipping include: * Iron Ore * Coal * Grain * Limestone * Manufacturing * Energy Production Important shipping routes connect: * Duluth * Chicago * Detroit * Cleveland * Buffalo * Montreal through the St. Lawrence Seaway. ---- ===== Ecology ===== The Great Lakes support diverse ecosystems and wildlife. Common species include: * Lake Trout * Walleye * Whitefish * Salmon * Perch * Sturgeon The lakes provide drinking water to tens of millions of people throughout the United States and Canada. ---- ===== Recreation ===== Popular recreational activities include: * Boating * Fishing * Sailing * Swimming * Kayaking * Camping * Diving * Wildlife Observation Major Michigan destinations include: * [[landmarks:sleeping_bear_dunes_national_lakeshore|Sleeping Bear Dunes National Lakeshore]] * [[places:mackinaw_city|Mackinaw City]] * [[places:empire|Empire]] * [[places:glen_arbor|Glen Arbor]] * [[places:oscoda|Oscoda]] ---- ===== Environmental Challenges ===== The Great Lakes face several environmental challenges, including: * Invasive species * Water pollution * Habitat loss * Coastal erosion * Climate change impacts Numerous organizations and government agencies work to protect and preserve the Great Lakes ecosystem. ---- ===== Legacy ===== The Great Lakes have shaped the history, economy, culture, and development of North America for thousands of years. They remain among the world's most valuable freshwater resources and continue to play a central role in the identity of Michigan and the broader Great Lakes region. ---- ===== See Also ===== * [[state:michigan|Michigan]] * [[geography:lake_superior|Lake Superior]] * [[geography:lake_michigan|Lake Michigan]] * [[geography:lake_huron|Lake Huron]] * [[geography:lake_erie|Lake Erie]] * [[geography:lake_ontario|Lake Ontario]] * [[geography:straits_of_mackinac|Straits of Mackinac]] ---- ===== References ===== ~~REFNOTES~~ {{tag>geography great_lakes freshwater lake_superior lake_michigan lake_huron lake_erie lake_ontario michigan}} geography/great_lakes.txt Last modified: 2026/06/01 14:52by admin