Eiríksjökull

Eiríksjökull (Icelandic for "Eirík's glacier") is a glacier north-west of Langjökull in Iceland, with an area of 22 km2 (8.5 sq mi) reaching a height of 1,675 m (5,495 ft), making it the largest table mountain in Iceland. Rising over 1,000 m (3,300 ft) above its surrounding, the lowest 350 m (1,150 ft) of a hyaloclastite (móberg) tuya formed presumably by a single subglacial volcanic activity is capped by a 750 m (2,460 ft) thick lava shield. It is currently dormant or extinct in terms of volcanic activity.

Source: https://en.wikipedia.org/wiki/Eir%C3%ADksj%C3%B6kull