It is with very deep regret that we must announce the sad death of Dr Stephen Marsh-Smith OBE.

Stephen was Chief Executive of Afonydd Cymru since 2017 and has very successfully championed the Rivers Trust movement in Wales. He worked tirelessly to protect and improve Welsh rivers and he will be very greatly missed.

Donations in his honour can be made here:


Afonydd Cymru is an umbrella organisation which represents the six Rivers Trusts across Wales.

This website offers information on the exciting projects and initiatives that Afonydd Cymru and its member Trusts are working on to bring about real and sustainable improvements to the aquatic environment in Wales.
Afonydd Cymru (AC) is the umbrella body that represents the six Rivers Trusts in Wales.

We became a registered charity (No 1145675) on 30th January 2012. The board of trustees includes a representative from each member trust; Staffing: a chief executive officer and project/development officer manage both the day to day issues as well as seeking project funding for the six trusts on a Wales wide scale, leaving trusts to seek projects and funding locally.

AC represents the trusts with Natural Resources Wales and welsh government but above all, is the champion of Wales’ thirty-three rivers, and the many lakes and smaller watercourses. Their environment, fish and fisheries and the wide range of diverse species depend on clean water and unspoilt habitats.

Good water quality is an indication of good land use management. Sadly, in many parts of Wales there are significant numbers of pollution events on top of ongoing high levels of diffuse pollution. These problems stem from excess animal slurry, large numbers of poultry units and, in the uplands the effects of plantation forestry amplifying the effects of acid rain.

These pressing issues are the central challenges for Afonydd Cymru.