The Fifty-Seventh Parallel is a geographical line of latitude located at 57 degrees north of the equator. It runs through several countries, including Canada, Russia, and Norway. This parallel is significant in mapping and navigation, helping to define regions and climates in the northern hemisphere. In Canada, the Fifty-Seventh Parallel crosses through the northern territories, influencing the local climate and ecosystems. In Russia, it traverses areas known for their vast landscapes and natural resources. The parallel serves as a reference point for various scientific and environmental studies in these regions.