The 70th parallel north is a circle of latitude that is 70 degrees north of the Earth's equatorial plane, in the Arctic. It crosses the Atlantic Ocean, Europe, Asia and North America, and passes through some of the southern seas of the Arctic Ocean.
At this latitude the sun is visible for 24 hours, 0 minutes during the summer solstice and Civil Twilight during the winter solstice.
70th parallel north Wikipedia
Starting at the Prime Meridian and heading eastwards, the parallel 70° north passes through: