Parc-y-llyn capstone
Introduction
The photograph on this page of Parc-y-llyn capstone by Natasha Ceridwen de Chroustchoff as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Natasha Ceridwen de Chroustchoff Taken: 22 Nov 2007
It has a smooth weathered surface that suggests it might once have been under water, but is mottled now with white and yellow lichen.