Best attractions and places to see around St. Marys River include a diverse range of natural landscapes, historical sites, and engineering marvels. This waterway forms an international border between Michigan and Ontario, connecting Lake Superior and Lake Huron. The region is characterized by its significant shipping activity, numerous islands, and historical importance for Indigenous peoples. Visitors can explore natural areas, observe large freighters, and learn about the area's rich heritage.
Last updated: October 3, 2026
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The Emergency Swing Dam was built in 1896 at the Sault Ste. Marie Canal. It serves for emergencies, in case a lock gate is damaged and the water outflow can no longer be stopped. The steel structure is then swung over the canal and lowered. In an accident in 1909, it was successfully used and enabled an immediate and rapid repair of a damaged lock gate. The Emergency Swing Dam in Sault Ste. Marie is functional and the last of its kind globally; it is part of the national historic site. (Visit on May 27, 2026) Sources: https://parks.canada.ca/lhn-nhs/on/ssmarie/culture/ingenierie-engineering https://en.wikipedia.org/wiki/Sault_Canal_Emergency_Swing_Dam
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The construction of the Sault Ste. Marie Canal began in 1889 and was completed in 1895. The canal was carved out of the Red Sandstone, the bedrock of St. Marys Island. The material was used for, among other things, the construction of buildings on the site. The buildings are beautiful examples of Canada's late 1800s architectural heritage. (Visited May 27, 2026) https://parks.canada.ca/lhn-nhs/on/ssmarie/culture/architecture
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Due to damage, the Sault Ste. Marie Canal was decommissioned in 1987. Only in 1998 was the lock reopened, but with a length of only 77 meters instead of the original 274 meters. The lock is now open from mid-May to mid-October for recreational activities. (Visit on May 27, 2026) https://parks.canada.ca/lhn-nhs/on/ssmarie/culture/histoire-history
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On the Canadian side, two islands lie in the river, St. Marys Island and Whitefish Island. The islands were an important meeting place for the Anishinaabe First Nation for fishing and trade between Lake Huron and Lake Superior until colonization by Europeans and were called Baawaating, place of the rapids. To make the St. Marys River navigable for trade, especially with furs, a huge canal was built through St. Marys Island at the end of the 19th century; it was the longest lock in the world at the time. There is a height difference of approx. 7 meters between Lake Superior and Lake Huron. (Visit on May 27, 2026)
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St. Mary's Island is a popular tourist destination in the Whitefish Channel on the St. Mary's River. There are many wild animals to see on the island, such as beavers, muskrats and minks. You can also observe numerous water birds and songbirds. It's worth packing your binoculars.
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Your way to South St. Mary's Island takes you through one of the lock gates. The Visitor Center is located right next to the lock, where you can find out more about the island and its walking trails.
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The St. Marys River region offers diverse natural beauty. In the Michigan-Ontario area, you can visit St. Mary's Island, known for its wildlife like beavers, muskrats, and various birds. The St. Marys Rapids are also a significant natural feature. Further south, the Florida-Georgia St. Marys River originates in the vast Okefenokee Swamp, a pristine blackwater environment rich in wildlife. Maryland's St. Mary's River State Park features a 250-acre fishing lake and extensive wildlands.
Yes, the St. Marys River is rich in history. In the Michigan-Ontario area, you can explore the River of History Museum in Sault Ste. Marie, Michigan, which details the river's past from glacial formation to the 20th century. Other significant sites include Fort St. Joseph, the Canadian Lock (a National Historic Site), and the SS Valley Camp, a retired ore freighter museum. The William Henry 'Bill' Orazietti and Canine Heroes Memorial also offers a local historical perspective.
The region provides numerous outdoor activities. You can enjoy hiking and running on various trails. For example, there are several routes around St. Mary's Island, including the 'Across the lock gates – St. Mary's Island loop from Sault Ste. Marie' which is an easy 6.26 km hike. Other options include the 'Attikamek Trail' and 'Round Island Point Nature Preserve Trail'. You can find more details on these and other routes in the Hikes from bus stations around St. Marys River and Hiking around St. Marys River guides. The Florida-Georgia section offers excellent paddling, fishing, and wildlife viewing, especially in the Okefenokee Swamp and along the St. Marys Waterfront Park.
Absolutely. Many attractions are family-friendly. St. Mary's Island is a great spot for families to observe wildlife and enjoy easy walking trails. Observing ships pass through the Soo Locks is also a captivating experience for all ages. In the Florida-Georgia area, the St. Marys Waterfront Park and Crooked River State Park offer boardwalks, picnic areas, and nature centers suitable for families.
Yes, some attractions are designed with accessibility in mind. The William Henry 'Bill' Orazietti and Canine Heroes Memorial is wheelchair accessible. Many viewing platforms at the Soo Locks also offer accessible options. In St. Marys, Georgia, the Waterfront Park and Tilden Norris Marsh Walk feature boardwalks that are generally accessible.
The best time to visit depends on the specific St. Marys River location and your preferred activities. For the Michigan-Ontario region, late spring through early fall (May to October) offers pleasant weather for outdoor activities and viewing the Soo Locks. For the Florida-Georgia St. Marys River, cooler, drier months from late fall to early spring (November to April) are ideal for paddling, hiking, and wildlife viewing, avoiding the summer heat and humidity.
Wildlife observation opportunities abound. On St. Mary's Island in Michigan, you can spot beavers, muskrats, minks, and various water and songbirds. The Florida-Georgia St. Marys River, especially near the Okefenokee Swamp, is a haven for diverse wildlife including deer, otters, alligators, black bears, and numerous bird species like bald eagles and great blue herons. Cumberland Island National Seashore, where the river meets the sea, is crucial for nesting loggerhead sea turtles and shorebirds.
The St. Marys River connecting Lake Superior and Lake Huron is home to impressive engineering feats. The most notable are the Soo Locks in Sault Ste. Marie, Michigan, which allow large freighters to bypass the St. Marys Rapids. You can also see the Sault Ste. Marie International Bridge and the historic Edison Sault Power Canal and Hydroelectric Plant, one of the longest hydroelectric plants globally.
Popular hiking trails include loops around St. Mary's Island, such as the 'Spirits Rising Monument – St. Mary's Island loop' (9.3 km, moderate) or the 'Across the lock gates – St. Mary's Island loop' (6.26 km, easy). Other trails like the 'Attikamek Trail' and 'Round Island Point Nature Preserve Trail' offer shorter, easy options. For more detailed trail information, refer to the Hiking around St. Marys River guide.
St. Mary's Island is a popular tourist destination located in the Whitefish Channel on the St. Marys River. It's renowned for its abundant wild animals, including beavers, muskrats, and minks, as well as numerous water and songbirds. It's an excellent spot for nature observation and walking, with trails accessible via one of the lock gates.
Yes, paddling and boating are popular activities, especially on the Florida-Georgia St. Marys River. This blackwater river offers a scenic way to explore its cypress swamps, winding channels, and oak canopies by kayak or canoe. The Michigan-Ontario section also has islands like Nicolet, George, Munuscong, and Sugar Island that provide varied landscapes for paddling.
The William Henry 'Bill' Orazietti and Canine Heroes Memorial is a monument dedicated to a well-known local man from Sault Ste. Marie, William Henry 'Bill' Orazietti, who was passionate about dog sledding. The memorial also honors canine heroes and is located very close to the riverfront, offering a viewpoint and a tribute to local history.
While specific dog-friendly trail regulations can vary by park or municipality, many natural areas around the St. Marys River are generally welcoming to dogs on leash. For instance, trails around St. Mary's Island and in St. Mary's River State Park (Maryland) often permit dogs. Always check local signage or park websites for the most current pet policies before your visit.
This St. Marys River is a remote blackwater river originating in the Okefenokee Swamp. It's characterized by its dark, tea-like water, colored by decaying peat and vegetation. Its banks are lined with cypress and tupelo trees, white sandbars, and extensive swamps and marshes. It's known for its ecological significance and diverse wildlife, making it a prime spot for nature enthusiasts.


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