Mud gives way to reasonable sand at low tide here as you head out into the Dyfi estuary, but you very quickly come up against the river; even at low tide, I reckon it was running 5 or 6 feet deep, and clearly couldn't be forded.
Uploaded to Geograph by Richard Law on 24 August 2013
Photo © Richard Law, 24 August 2013. Licensed for reuse under this Creative Commons licence