# 81st parallel north

The 81st parallel north is a circle of latitude that is 81 degrees north of the Earth's equatorial plane, in the Arctic. It crosses the Atlantic Ocean, the Arctic Ocean, Europe, Asia and North America. At this latitude the sun is always visible during the summer solstice and astronomical twilight during the winter solstice. (Wikipedia).

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## Related pages

Degree (angle) | 80th parallel north | Equator | Circle of latitude | 82nd parallel north | True north