River Levels
River Levels

Mawddach and Wnion Catchment

Warning no longer in force

Information supplied by Natural Resources Wales / Cyfoeth Naturiol Cymru

This information last updated 9:09am, Thursday 19th December.

Flood Warning Area Details

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

Region: North

Country: Wales

Watercourses covered: Mawddach, Wnion

Area covered by this alert location

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

Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).

Other Nearby Flood Warning Locations

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

Recent warnings no longer in force.

Upper Dee Valley
Llanuwchllyn to Llangollen including Corwen

No current or recent warnings.

Lower Dee Valley
Llangollen to Trevalyn Meadows

Recent warnings no longer in force.

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.

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