vatnsýndur
Vatnsýndur was a high and level plain near Lake Myvatn, located in the northern part of Iceland. The area is now generally thought to refer to the plain of Sandsfellsör near the present town of Reykjahlíð and surrounding region.
The plain was partly or entirely covered by a large lake in the past, as the name
There are extensive remains nearby from large settlements, including two ruined churches. The remains are characteristic
To the north of Sandsfellsör is one of the finest preserved clusters of Viking buildings, characterized by