最高的山:
Hvannadalshnjúkur 2119 m
Bárearbunga 2000 m
Kverkfjöll 1920 m
Snæfell 1833 m
Hofsjökull 1765 m
Hereubreie 1682 m
最大的冰川:
Vatnajökull 8300 km2
Langjökull 953 km2
Hofsjökull 925 km2
Myrdalsjökull 596 km2
Drangajökull 200 km2
最大的的湖泊。
Tórisvatn 83 km2
Tingvallavatn 82 km2
Lögurinn 53 km2
Myvatn 37 km2
Hvítárvatn 30 km2
最长的河流:
Tjórsá 230 km
Jökulsá á Fjöllum 206 km
Ölfusá / Hvítá 185 km
Skjálfandafljót 178 km
Jökulsá á Dal 150 km
最高的瀑布:
Glymur in Botnsá 190 m
Hengifoss in Hengifossá 128 m
Háifoss in Fossá 122 m
Seljalandsfoss in Seljalandsá 65 m
Skógafoss in Skógá 62 m
Dettifoss in Jökulsá á Fjöllum 44 m
Gullfoss in Hvítá 32 m
最大的岛屿:
Heimaey (Westmann Islands) 13.4 km2
Hrísey at Eyjafjöreur 8 km2
Hjörsey at Faxaflói 5.5 km2
Grímsey 5,3 km2
Flatey at Skjálfandaflói 2,8 km2
Málmey at Skagafjöreur 2,4 km2
Papey (East Iceland) 2 km2
Vieey near Reykjavík 1,7 km2
Surtsey (Westmann Islands) 1,6 km2