Upper entrance to Porth yr Ogof
Introduction
The photograph on this page of Upper entrance to Porth yr Ogof by don cload 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: © don cload Taken: 7 Jun 2010
In dry weather most of the Afon Mellte enters the Porth yr Ogof cave system above the main entrance. The water can be seen in this small entrance.
