West Branch St. Regis River

West Branch St. Regis River. Part of Adirondack Drainage. The St. Regis River is fed by abundant water cascading from the northern Adirondack mountain slopes and dropping rapidly toward the St. Lawrence River. The clean, cold water, rushing over the rocky streambeds and bedrock outcrops, creates scenic beauty and sustains a healthy fishery. , West Branch St. Regis Native Fish. , Common name - Genus and Species , Brown Bullhead - Ictalurus nebulosus , Brown Trout - Salmo trutta , Brook Trout - Salvelinus fontinalis , Common Shiner - Lixulis cornutus , Creek Chub - Semotilus atromaculatis , Cutlip Minnow - Exoglossum maxillingua , Eastern Blacknose Dace - Rhinichthys atratulus , Fallfish - Semotilus corporalis , Fantail Darter - Etheostoma flabellare , Golden Shiner - Notemigonus crysoleucas , Longnose Dace - Rhinichthys cataractae , Northern Redbelly Dace - Phoxinus eos , Pumpkinseed - Lepomis gibbosus , Rock Bass - Ambloplites rupestris , Smallmouth Bass - Micropterus dolomieui , Walleye - Sander itreus , White Sucker - Catostomus commersoni , Yellow Perch - Perca flavescens , Most commonly caught: Creek Chub, Longnose Dace, Rock Bass, Brook Trout, and Brown Trout. , St. Regis Pond - The Source of the West Branch is protected as part of the St. Regis Canoe Wilderness. , Sylvan Falls (Private) - One of many falls and cascades on the river, located about 7 miles upstream and 215 feet higher in elevation above Parishville. , Allen Falls , The West Branch enters the Middle Branch to form the Greater St. Regis River at elevation 300 feet above sea level. , The river meanders 23.5 miles down to its confluence with the St. Lawrence River in Canada, 3 miles north of Hogansburg, at elevation 155 feet above sea level. , By the Numbers. , Total drainage agrea - 173,415 Acres (271 Square Miles) , West Branch Length - 70.5 miles , Total elevation drop - 1,285 feet , Mean Water Flow - 340 Cubic Feet per Second , Data from USCG Gaging Station 04268800. , Profile from Source to Confluence. , St. Regis Pond, 1,620' , Augerhole Falls, 1,520' , High Falls, 1,460' , Sylvan Falls, 1,100' , Jones Road, 970' , Parishville Flow, 885' , Allen Falls Reservoir, 742' , Allen Falls, 640' , West Stockholm, 390' , Winthrop, 300' , Geology , Approximately 1.2 billion years ago North American and African crustal plates collided, uplifting great domes of rock, and creating the ancient Adirondack Mountains. Millions of years of subsequent uplifts, erosion, and sedimentation followed. Glaciers that covered the metamorphic rock for thousands of years receded about 12,000 years ago, scuplting the mountains and streams that form the rivers of today.