Canadian Hydrographic Charts      Region 3--Ontario and Manitoba including the Great Lakes Canadian Hydrographic charts offer beautiful, colorful cartography with exceptional detail for Canadian waters.  Search for charts by area using the list below. Small Scale Planning Charts Harbor and Sailing Charts--Lake Superior Harbor and Sailing Charts--Lakes Huron and Erie and Georgian Bay Harbor and Sailing Charts--Lake Ontario, Trent-Severn Waterway, Richelieu River, St. Lawrence River, Ottawa River, and Rideau Waterway Harbor and Sailing Charts--Lake of the Woods, Rainy Lake, and the Winnipeg River Harbor and Sailing Charts--Lakes Winnipeg, Playgreen,  Manitoba, and Winnipegosis U. S. charts of the Great Lakes are cataloged separately.  Click to view U. S. charts.