The 47th Parallel North is a circle of latitude that is 47 degrees north of the Earth's equatorial plane. It runs across several countries, including the United States, Canada, France, and Italy. This parallel is significant for geographical and climatic studies, as it marks a boundary where various ecosystems and weather patterns can be observed. In the United States, the 47th Parallel North passes through states like Washington and Montana. It also crosses the Great Lakes, providing a natural boundary for some regions. The parallel is often used in mapping and navigation, helping to define locations and borders.