Öraefajökull(ö`rīväyö'kütəl), mountain, SE Iceland, rising from the VatnajökullVatnajökull
, glacier, c.3,150 sq mi (8,160 sq km), SE Iceland; largest glacier in Europe. At an elevation of from 4,200 to 6,100 ft (1,280–1,860 m), it covers a huge volcanic plateau, which includes the Grímsvötn caldera, Iceland's third largest and
..... Click the link for more information. glacier. Öraefajökull is an ice-covered, three-peaked volcano. The largest of its four recorded eruptions occurred in 1362; all have been destructive, owing to the devastating floods caused by melting ice. Its highest peak, Hvannadalshnúkur (6,950 ft/2,118 m), is also the highest point in Iceland.