Sprengisandur highland road connects South and North of Iceland and is only open and passable by 4x4 vehicles during the summer. In winters the road is closed due to snow and due to thaw in spring. Sprengisandur is an ancient horse trail and is for the most part a very desolate desert with black lava sand. Vegetation is very sparse. The trail lies between Hofsj÷kull and Vatnaj÷kull glaciers through a completely uninhabited area. The distance between inhabited places in the south and in the north is close to 250 kilometers. There are a few unbridged rivers and streams along this route that need to be forded. These rivers are normally not a serious obstacle, but on warm summer days when ice melts rapidly on the glaciers, as well as when it rains heavily, the rivers swell and can become dangerous to cross. There are mountain huts found along the route in Nřidalur GPS coordinates 64.7352253░ N 18.0746245░ Wand in Laugafell GPS co-ordinates: 65░01.630 ľ 18░19.950 where travelers can stay overnight in their own sleeping bags on bunk beds or mattresses on the floor. All the huts have a kitchen with a stove, showers and WC. The huts are attended by wardens during the summer months. It is necessary to book accommodation in advance as the capacity is limited. Campsites are also to be found close to the huts. On a fine day, the views from the Sprengisandur route are magnificent, views of both glaciers as well as the volcano Askja and Mt. Herubrei.