Crossword clues for St. ___, river into the St. Lawrence. 5 letters:REGISSt. ___, river into the St. Lawrence.IOOOISLANDSSt. Lawrence River groupCARTIERSt. Lawrence River explorerQUEBECCity on the St. Lawrence RiverTHOUSANDISLANDSGroup of about 1,500 in the St. Lawrence RiverICECANOESt. Lawrence River racerCARTIERDiscoverer of St. Lawrence river, 1534.MONTREALSt. Lawrence River cityTHOUSANDThe St. Lawrence River's misnamed ___ IslandsILECanada's ___ d'Orléans, located in the St. Lawrence RiverANTICOSTIIsland at mouth of St. Lawrence River.IOOOISLANDSSt. Lawrence River featureENEGeneral dir. of the St. Lawrence RiverTHOUSANDISLANDSChain in the upper St. Lawrence RiverOTTAWAChief tributary of the St. Lawrence RiverONTIt's on the St. Lawrence River: Abbr.OTTAWARiver into the St. Lawrence.OTTAWARiver to the St. Lawrence