A case in point is the scheme put forward in 1923 to turn its upper reaches into a reservoir. Nowadays, the chief problem is the illegal intrusion by off-road motor vehicles onto pasture and moorland. For example, this has caused much expensive damage along the Waywarer track that goes from the head of the Valley, over the hill to Llandrillo.
In 2019, Trevor Bates published an article in Double.LL magazine:
(reproduced with authorisation by the author and the magazine editor)
Follow this link for a full view: Full article in pdf
Persons who know about such trespass, in the Valley or its surrounding countryside, are invited to send the Webmaster any information that might help in the construction of this page.