Máireolth 's Táibhelùic

The Máireolth 's Táibhelùic, Fernolian for Death and Silence, is a river located on Eoil Sceilge in Rockall. The river is notable for its unusual geological structure where the surface of the river seems calm and safe, whereas the subsurface part of it is a lethal rapid running through a deep crevice with many corners which have proven deadly.

History
A famous story involving the Máireolth 's Táibhelùic is the story of Elsin, Prince of the Two Rivers, who was heir-apparent to the throne of the Kingdom of Gréine under Queen Dráigea II in the 13th century.

The story goes that the young prince, then in his later teens, decided to disregard the advice of his mother and the court councillors and rode with a couple of friends to the infamous river. In his misjudgement there, he decided to try and jump over the narrowest part of the river (incidentally the part that is also the wildest under the service), and he slipped after a wrong landing after the fourth jump, falling into the waters below.

According to the story, all that was found of the young prince was a torn off arm covered in deep cuts to the bone, and that the outlet of the river into the lake turned red, coloured by the blood of the young prince. The lake thus became known as Láic-o'n-dTéaiseoig-Máire, or "Dead Prince Lake", and the waterfalls at the outlet as Reaidhrin-cóich, or "Red Waterfalls".