Gunnbjørn Fjeld is the highest mountain in Greenland, Denmark, and north of the Arctic Circle. It is a nunatak, a rocky peak protruding through glacial ice. Gunnbjørn Fjeld is ranked 9th by topographic isolation.
Wikipedia https://en.wikipedia.org/wiki/Gunnbjørn_Fjeld
Address Greenland
Coordinates 68°55'9.884" N -29°53'54.738" E