Crossword clues for River to the St. Lawrence 6 letters:QUEBECCity on the St. Lawrence RiverOTTAWAChief tributary of the St. Lawrence RiverOTTAWARiver to the St. LawrenceOTTAWARiver into the St. Lawrence.REGISSt. ___, river into the St. Lawrence.CARTIERDiscoverer of St. Lawrence river, 1534.ANTICOSTIIsland at mouth of St. Lawrence River.IOOOISLANDSSt. Lawrence River featureENEGeneral dir. of the St. Lawrence RiverTHOUSANDISLANDSChain in the upper St. Lawrence RiverONTIt's on the St. Lawrence River: Abbr.THOUSANDThe St. Lawrence River's misnamed ___ IslandsILECanada's ___ d'Orléans, located in the St. Lawrence RiverMONTREALSt. Lawrence River cityIOOOISLANDSSt. Lawrence River groupCARTIERSt. Lawrence River explorerTHOUSANDISLANDSGroup of about 1,500 in the St. Lawrence RiverICECANOESt. Lawrence River racer