The 55th Parallel North is a circle of latitude located 55 degrees north of the Earth's equatorial plane. It runs through several countries, including Canada, Russia, and Kazakhstan. This parallel is significant in geography as it helps to define the climate and ecosystems of the regions it traverses, often marking the boundary between temperate and subarctic climates. In Canada, the 55th Parallel North crosses through the northern parts of provinces like Alberta and Saskatchewan. It is also notable for its proximity to the Mackenzie River, which flows through the Northwest Territories, showcasing the diverse landscapes and natural features found along this latitude.