Black sand A little upriver from Dettifoss. Check out those basalt columns, and the black volcanic sand, contrasting so prettily with the white snow. 12 May 2019 Diamond Circle Iceland Travel ← Dettifoss → Hafragilsfoss Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed.