Vestragil is a gully at Skaftafell in Vatnajokull National Park and a popular stop for hikers.
Photo from Wikimedia, Creative Commons, by Denis DespaiR. No edits made.
Here you get the chance to soak weary feet in a hot spring at a perfect temperature and enjoy the nature. There is also an old electricity station there built in 1922, well worth checking out.
Explore this area on a self drive tour in Iceland.