The Eighty-Fifth Parallel North is a circle of latitude located 85 degrees north of the equator. It is situated in the Arctic region, primarily over the Arctic Ocean and parts of the surrounding sea ice. This parallel is significant for studies related to climate change and polar ecosystems. At this latitude, the sun does not set during the summer months, leading to continuous daylight, while in winter, it experiences polar night. The North Pole is located at 90 degrees north, making the Eighty-Fifth Parallel North one of the last significant lines of latitude before reaching the pole itself.