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River Facts

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The St. Lawrence River is one of the longest rivers in North America. And, is the outflow for the entire Great Lakes system. The Great Lakes hold nearly 20% of the world's fresh water.

The River flows 744 miles from Lake Ontario into the world's largest estuary, the Gulf of St. Lawrence. Only 114 miles of the River are located in New York State.

The River is 250 feet at its deepest point.

Flowing through both Canadian and US lands, the St. Lawrence River is a bi-national waterway, providing drinking water to local municipalities on both sides of the River and a vital tourism-based economy to local towns.

The St. Lawrence River has a discharge rate of 347, 849 cubic feet of water per second.

The Upper St. Lawrence is home to the Thousand Islands region. There are exactly 1,864. To be counted as an island, the piece of land must be surrounded by water, above water all year long, and support at least one tree.

For more information about the St. Lawrence River and Thousand Islands, visit:

  • Seaway Trail - The Seaway Trail is a National Scenic By-Way that leads tourists along the many historic and natural features of the St. Lawrence River and Lake Ontario in New York state.
  • Thousand Islands Photo Art - View the Thousand Islands with a birds-eye view through the photography of Ian Coristine.
  • Thousand Islands Life - An on-line magazine devoted to the history and culture of the Thousand Islands region.

Latest News

Save The River Reports on Week 7 of Beach Watch Program
Save The River’s Beach Watch Program is in the process of monitoring popular summer swimming locations on the River from July 7th through August 25th Save The River reports all samples passed in Week 7. read more

Jefferson County, Town of Clayton Pass Resolutions Endorsing Plan 2014
The Jefferson County Board of Legislators and the Clayton Town Board have unanimously passed resolutions in support of Plan 2014 at their August and July meetings respectively. read more

Save The River Reports on Week 6 of Beach Watch Program
Save The River’s Beach Watch Program is in the process of monitoring popular summer swimming locations on the River from July 7th through August 25th Save The River reports all samples passed in Week 6. read more

Save The River Reports on Week 5 of Beach Watch Program
Save The River’s Beach Watch Program is in the process of monitoring popular summer swimming locations on the River from July 7th through August 25th Save The River reports all samples passed in Week 5. read more

Save The River’s Summer Raffle!
This summer Save The River is raffling off a beautiful Great-Blue Heron that was hand-carved and painted by George Textor. read more

Save The River Reports on Week 4 of Beach Watch Program
Clayton, NY (July 31, 2014) - Save The River’s Beach Watch Program is in the process of monitoring popular summer swimming locations on the River from July 7th through August 25th Save The River reports all samples passed in Week 4. For the 2014 sampling season Save The River volunteers are collecting water quality samples at ... read more

Watertown Daily Times Endorses Plan 2014
Good to go. "Plan 2014, should be implemented as soon as possible . . . Doing nothing will allow damage to shoreline sand dunes, wetland spawning grounds for native fish and homes for millions of shore birds that has been underway for more than 50 years to continue . . . Plan 2014 would improve the ecological quality of the waterways and restore fish populations." read more

Critical Piece of Equipment Lost – Replacement Essential to Effort to Ban Microplastics
Dr. Mason and Save The River need your assistance to keep the effort to understand and eliminate the threat of microplastics afloat. read more

See our blog for more news!     

Get in Touch

409 Riverside Drive
Clayton, NY 13624
p: (315) 686-2010
e: info@savetheriver.org

River Photos

Off to the races by Pam Quimby  Resting by Pam Quimby  On the Rocks by Nick Apel  Classic Sunset by Barb Hupp  TI Park Library by Meg Kerr  Fall by Carrie Kerr  Girls by Juliane Bauer  Winter Navigation by Sherman Ward 
 Pictures from our Flickr photostream

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