Crossword clues for River to Lake Ontario 7 letters:NIAGARARiver between Lake Erie and Lake OntarioNIAGARARiver from Lake Erie to Lake Ontario.NIAGARARiver connecting Lake Erie and Lake Ontario.GENESEERiver into Lake Ontario.NIAGARARiver into Lake OntarioGENESEERiver feeding Lake OntarioGENESEERiver to Lake OntarioGENESEERiver, Pennsylvania to Lake Ontario.NIAGARARiver joining Lakes Erie and Ontario.NIAGARARiver linking Lakes Erie and Ontario.ABITIBIRiver and lake in Northeast Ontario.GENESEERiver in Pennsylvania and New York, flows into Lake Ontario.ERIELake separated from Lake Ontario by the Niagara RiverOSWEGONew York river to Lake OntarioOSWEGORiver to Lake Ontario