Located in the Alaska Range, 91 km (57 mi) SSE of Delta Junction and 7.9 km (4.9 mi) SE of Mount Gakona.
Named by the first ascent team from Fairbanks, for the summit's distinctive thorn appearance and the distinctively "thorny" nature of the first ascent.
Gakona Glacier, Johnson Glacier, Spur Glacier,
Lakes:Alder Lake, Devils Lake, Otter Lake,
Mountains:Mount Gakona, Thorkona, The Thorn,
Rivers:Streams:Valleys: