Arnardalshamar Tunnel
The Arnardalshamar Tunnel is a tunnel in Iceland, located in Westfjords along Route 61. It has a length of and was opened in 1948. It was the first manmade tunnel in Iceland and it is also the shortest. It cuts through a basalt dike known as Arnardalshamar, between Skutulsfjörður and Álftafjörður. The tunnel was widened to in 1995.