Am Plastair

About

Am Plastair is a sea stack in the St Kilda archipelago, in the council area of the Outer Hebrides, Scotland. It is 42 metres (138 ft) tall and is situated to the north of the island of Soay. The stack has a 40-metre (131-foot) underwater tunnel that runs directly through the rock, starting at 24 metres deep on the north side and rising to just 4 metres deep on the south. The stack is 42 meters (136ft) tall with an area of 0.58 ha (1.4 acres).

Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.