Mount Sidley is the highest dormant volcano in Antarctica, a member of the Volcanic Seven Summits, the highest volcanoes on each of the seven continents, with a summit elevation of 4,181–4,285 metres (13,717–14,058 ft).

Mount Sidley is the tallest volcano in Antarctica, with a summit of 14,058 feet (4,285 meters), and is located on the continent’s Pacific Coast near the Thwaites Glacier. Mount Sidley is a shield volcano and one of five major volcanoes in the 50 mile- (80 km-) long Executive Committee Range in Marie Byrd Land.

Join the ultimate mountaineering expedition to Mount Sidley 14,058 ft (4285 m) and stand atop one of the most remote summits on earth. Be among the few to have climbed Antarctica’s highest volcano and one of the Volcanic Seven Summits.

Join the ultimate mountaineering expedition to Mount Sidley (4285m / 14,058 ft) and stand atop one of the most remote summits on earth. Sidley is a huge mountain, set on the white expanse of the Polar Ice Sheet.

The Antarctic continent’s only active volcano is Mt Erebus on Ross Island but Mount Sidley is the highest. It is one of five dormant volcanoes that make up the Executive Committee Range in Marie Byrd Land.

Nov 20, 2014 · Along a 900-kilometer (560-mile) stretch of Antarctica's Pacific Coast, 18 major volcanoes jut from the ice sheet. The chain, similar in size to the Cascade volcanic chain in North America, is home to the continent’s tallest volcano—Mount Sidley. (Not to be confused with Vinson Massif, Antarctica's tallest mountain.)

Mount Sidley is a massive, mainly snow-covered mountain which is the highest and most imposing of the five extinct volcanic mountains that comprise the Executive Committee Range of Marie Byrd Land. The feature is marked by a spectacular caldera on the southern side and stands NE of Mount Waesche in the southern part of the range.

May 7, 2018 · Mount Sidley The 14,058 ft tall Mount Sidley is the tallest volcano in Antarctica. It is a dormant volcano that represents the continent in the list of the Volcanic Seven Summits.

Feb 1, 2018 · Soaring high above the polar ice cap at over 4,000m/14,000ft, Mount Sidley is Antarctica’s highest volcano and one of the Volcanic Seven Summits, comprised of the highest volcanoes on each of the seven continents.

Jul 17, 2010 · Mt. Sidley - a gigantic volcanic massif, a huge bulge dominates the uniform ice surface of the surrounding area. One side of the mountains form a huge caldera crater with a diameter of 5 km, its walls towering about one km altitude.