| SOOLOCKS | Canal passage connecting Lake Superior and the lower Great Lakes |
| ERIE | One of the lower Great Lakes |
| NIAGARARIVER | A watercourse in Northeast North America, connecting Lake Erie and Lake Ontario (7,5) |
| OFMACKINAC | Channel connecting Lake Huron and Lake Michigan (7,2,8) |
| STRAITS | Channel connecting Lake Huron and Lake Michigan (7,2,8) |
| WELLANDCANAL | Niagara region's shipping waterway connecting Lake Erie and Lake Ontario: 2 wds. |
| WISCONSIN | A state of the north central US, bordering Lake Superior and Lake Michigan (9) |
| SOO | The --- Canals link Lake Superior and Lake Huron (3) |
| CISCO | Cold-water fish caught in Lake Superior and northward. |
| SCNLS | They connect Lakes Superior and Huron |
| KNEE | The joint between the thigh and the lower part of the human leg |
| LAVERENDRYE | Military officer/explorer/fur trader born in Trois-rivieres who explored beyond Lake Superior and in |
| CENTAUR | In Greek mythology, a creature with the head, arms, and torso of a man and the lower body and legs of a horse (7) |
| YOSEMITEFALLS | What, in eastern California, is the series of three waterfalls - the Upper Fall 436 metres high, the Middle Fall 190 metres, and the Lower Fall 98 metres? (8,5) |
| TRENT | Canal connecting lakes Ontario and Huron |
| LOINS | The hips and the lower abdomen |
| STRAIT | With an example found at the narrowest part of the English Channel, a passage connecting two larger areas of sea/water (6) |
| CENTAURS | In Greek myths, creatures with the upper body of a man and the lower body of a horse (8) |
| ONOCENTAUR | Mythical beast with the upper body of a man and the lower body of an ass |
| CORRIDOR | A passage connecting parts of building (8) |
