Vatnajökull or Vatna glacier at Vatnajökull National Park (Non-HDR version), Iceland 2013
Particularly cloudy/rainy summer for Iceland 2013. This is the non-HDR version and contains more detail when zoomed in at 100%
From Wikipedia: "Vatnajökull, also known as the Vatna Glacier, is the largest and most voluminous Icelandic glacier, and one of the largest in area in Europe. It is located in the south-east of the island, covering more than 8 percent of the country." Source: en.wikipedia.org/wiki/Vatnajökull