Högnhöfði (64° 21′ 29.1″N 20° 29′ 58.7″W) is a 1002 m high table mountain in southern Iceland. The volume is estimated to be 3.8 km³. The mountain is build up of pillow lavas, hyaloclastic breccias and talus superposed by supraglacial lava with an exposure age of 10.2±0.3 ka (Eason et al., 2015).
Eason, D. E., Sinton, J. M., Grönvald, K., and Kurz, M. D. (2015). Effects of deglaciation on the petrology anderuptive history of the Western Volcanic Zone, Iceland. Bulletin of Volcanology, Volume 77, Number 6, Page 1.