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Great Loop
Two possible routes to complete the Great Loop
Details
Location	Eastern portion of United states and Canada
Length	6,000 mi (9,700 km)

The Great Loop is a system of waterways that encompasses the eastern portion of the United States and part of Canada. It is made up of both natural and man-made waterways, including the Atlantic and Gulf Intracoastal Waterways, the Great Lakes, the Erie Canal, and the Mississippi and Tennessee-Tombigbee Waterway.^[1] The entire loop stretches about 6,000 miles (9,700 km).

There is no single route or itinerary to complete the loop. To avoid winter ice and summer hurricanes, boaters generally traverse the Great Lakes and Canadian waterways in summer, travel down the Mississippi or the Tennessee–Tombigbee Waterway in fall, cross the Gulf of Mexico and Florida in the winter, and travel up the Atlantic Intracoastal Waterway in the spring. Depending on speed of travel, the route can take as little as two months, but more typically it takes about a year to complete the trip.^[2] The route may also be completed in segments.^{[citation needed]} The current record time for completing the great loop is 19 days, 19 hours, and 50 minutes. This run took place between June 15 and July 6, 2024, and was completed by Scott Flowers, Mike Bailey, and Scott Swerdfeger.^[3]

Loopers can begin at any point along the route, and when they return to their starting point, they are said to have "crossed their wake" and to have finished the Great Loop.^{[citation needed]}

Assuming one is starting in the Chicago, Illinois, area, "Loopers" have the option to take the Chicago River and Chicago Sanitary and Ship Canal or the Cal-Sag Channel to the Des Plaines River. The waterway passes Joliet and soon becomes the Illinois River. The Illinois River travels west, through several locks, then southward, through Peoria. At Grafton, Illinois, the Illinois River joins the Mississippi River.^{[citation needed]}

Traveling down the inland^[4] rivers such as the Mississippi River, a Looper travels past St Louis and Cape Girardeau, Missouri. At the confluence of the Mississippi and Ohio Rivers at Cairo, Illinois, boaters must decide whether to continue down the Mississippi to New Orleans, Louisiana, or go up the Ohio River on the more typical Tennessee-Tombigbee Waterway route to the Gulf of Mexico. Because of issues such as heavy barge traffic, lack of marinas and scarcity of fuel sources on the Lower Mississippi River, most Loopers opt for the Ohio River and motor upstream to Paducah, Kentucky. Leaving Paducah, boaters soon lock up to the level of Kentucky Lake.^{[citation needed]}

Traversing the 184 mile length of Kentucky Lake, Looper boats continue up the Tennessee River and turn off onto the Tenn-Tom Waterway, near Iuka, Mississippi. A series of locks lower boats to the Lower Tombigbee River, which eventually reaches Mobile, a major port on the Gulf of Mexico. Some boaters choose to continue up the Tennessee River to Chattanooga, TN and Knoxville, TN as a side-trip.^{[citation needed]}

Continuing eastward using the Intracoastal Waterway (ICW) along the Florida Panhandle, Looper boats eventually have to cross the Gulf of Mexico to the main part of Florida. The ICW continues from St. Petersburg southward. Loopers may choose to either cross South Florida via Lake Okeechobee or sail around it via the Florida Keys.^{[citation needed]}

The Loop continues up the ICW along Florida's Atlantic Coast, through coastal Georgia, South Carolina, and North Carolina. To reach Chesapeake Bay, boats have a choice of the Dismal Swamp Canal or the Albemarle and Chesapeake Canal. Cruising north through Chesapeake Bay, Loopers eventually reach the Chesapeake and Delaware Canal and travel through it to Delaware Bay. After crossing Delaware Bay to Cape May, New Jersey, all but the smallest boats have to travel in the Atlantic Ocean to New York City.^{[citation needed]}

Entering the Hudson River in New York, boats travel up it to Waterford, New York. Here, some Loopers keep going north on the Champlain Canal and do a side-loop through Montreal, Canada. Most Loopers traverse all or part of the Erie Canal, however. Shorter height boats may choose to travel the entire canal to Buffalo, New York, then through Lake Erie, past Detroit, eventually reaching Lake Huron. Many others — especially those too tall for the Western Erie Canal Bridges — take the Oswego Canal north to Lake Ontario. This option allows Loopers to either take the Welland Canal to Lake Erie or to cruise along the scenic Trent-Severn Waterway in Ontario, Canada to reach Georgian Bay on Lake Huron.^{[citation needed]}

Lake Huron is a destination for all Looper boats, regardless of route and any side-trips. All boats have to transit the Straits of Mackinac at the top of Michigan's Lower Peninsula and enter Lake Michigan. An optional side-trip is going through the Soo Locks and visiting Lake Superior.^{[citation needed]}

Loopers have the option to follow either the Wisconsin or Michigan coasts as they make their way south on Lake Michigan back to Chicago.^{[citation needed]}

Those boaters who are on the loop often fly a white burgee, and those who have completed the loop fly a gold one.^[2]

The America's Great Loop Cruisers' Association (AGLCA) assists Great Loop cruisers by sharing safety and navigational and cruising information, while providing a networking platform for Loopers through its members-only discussion forum. Boaters can exchange information about topics such as marinas, locking through, water depth, hazards, repairs, fuel prices or dinner reservations and sight seeing.^[5] The AGLCA also hosts twice-yearly gatherings for Loopers currently on the Loop and those planning a Great Loop trip.^{[citation needed]}

• Inland waterways of the United States

• What is the Great Loop? NOAA Ocean Service
• America's Great Loop Cruiser's Association