Lake McConnell to have drained first into Lake Agassiz", an even larger lake to the southeast, "then into the Arctic Ocean via the Mackenzie River, then back into Lake Agassiz, and then back to the Arctic Ocean" at various times in its history. Either 8,300 or between 9,000 and 8,000 years ago, it divided to form Great Slave Lake and Lake Athabasca. These two and Great Bear Lake are considered its 'daughter' lakes. Lake McConnell Lake McConnell was a very large proglacial lake that existed in what is now Canada from 11,800 to 8,300 years ago. Other sources give starting and ending
North River (Belmont Lake) which flows via the Trent River to Lake Ontario. North River (Belmont Lake) The North River is a river in the municipality of Havelock-Belmont-Methuen, Peterborough County in Central Ontario, Canada. It is part of the Great Lakes Basin, and is a right tributary of the Crowe River. The river begins at Imp Lake in geographic Methuen Township and flows south, past the Blue Mountain Mine at Devil's Lake, to Kasshabog Lake. It continues south to Long Lake, then turns east, then resumes a southward direction, and enters geographic Belmont Township. The river passes through Round Lake, turns east, and reaches