Glaslyn and Dwyryd Catchment

Flood Alert

In addition to the area detailed, some localised flooding problems may result from surface water. River levels are above normal. We will continue to monitor the situation. This message remains in force until further notice.

This information last updated 10:18pm, Thursday 20th September.

Flood Warning Area Details

Areas around the river Glaslyn and river Dwyryd, from Dyffryn Ardudwy to Nant Gwynant

Region: Wales

Watercourses covered: Glaslyn, Dwyryd, Prysor, Artro

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Glaslyn and Dwyryd Catchment.

Other Nearby Flood Warning Locations

River Glaslyn and the Dwyryd
River Glaslyn and Dwyryd

No current or recent warnings.

Mawddach and Wnion Catchment
areas around the river Mawddach and river Wnion, from Fairbourne to Ganllwyd and Rhydymain

Upper Dee Valley
Llanuwchllyn to Llangollen including Corwen

No current or recent warnings.

Lower Dee Valley
Llangollen to Trevalyn Meadows

No current or recent warnings.

Anglesey Catchment
areas around the rivers across the whole of the island

No current or recent warnings.

Elwy and Gele Catchment
areas around the river Elwy and river Gele, from Gwytherin to St Asaph and including Abergele

No current or recent warnings. is an independent website. It is not associated with the Environment Agency or any other supplier of river level information. is a Good Stuff website.