River Levels
River Levels

Vyrnwy at Vyrnwy Weir

Current River Level


At 5:00am, Sunday 21st July BST
(4:00am, Sunday 21st July GMT)

Within the usual range for this location

Rising, 0.010 from previous measurement at 3:00am, Sunday 21st July BST

Flood Warning Areas Covering Here

Vyrnwy Catchment

No current or recent warnings.

Seven Day Level Chart

Long Term Level Chart

Darker blue shaded areas on long term data indicate maximum and minimum levels for the date (you may need to zoom in closer to see them).

Long term data may have gaps where the API data was not available.

Download long term data as csv

Note: CSV data will include any outlying values that have been ignored by our graphing system as probably erroneous (eg, because they are ridiculously high compared to the values either side of them). It is your responsibility to filter these out if necessary.

Important! If you are planning to retrieve the csv data automatically, you must read and understand the limitations on the data and its availability.

Location and Technical Data

  • Monitoring Station: Vyrnwy Weir
  • Watercourse: Vyrnwy
  • Nearest Town/Village: Llanwddyn
  • Local Authority: Powys
  • Ceremonial County: Powys
  • Coordinates: 52°45'35"N 3°27'18"W (52.759937,-3.455159)
  • OS Grid: SJ0190019030 (,)
  • Mapcode (Local): GBR 6L.Z16K
  • Mapcode (Global): WH67T.WWVJ
  • Open Location Code: 9C4RQG5V+XW
  • Maidenhead Locator System: IO82gs52
  • Natural Resources Wales Location ID: 2003
  • Natural Resources Wales Gauge ID: 2003
  • River Levels Online ID: 2003
  • Operational Area: Vrynwy
  • Catchment Area: Severn Uplands
  • UK Hydrometric Area: Severn

Please note: Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.

The usual range of the Vyrnwy at Vyrnwy Weir is between 0.07m and 0.77m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Vyrnwy at Vyrnwy Weir over the past 12 months has been between 0.07m and 0.43m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the Vyrnwy at Vyrnwy Weir is 2.07m, reached on Sunday 6th February 2011 at 12:15am.

Note that this data may not take account of recent measurements, as we wait until a level has been verified by Natural Resources Wales before adding it to our records.

View the catchment for Vyrnwy at Vyrnwy Weir.

Nearby Monitoring Locations

Other monitoring locations on the Vyrnwy

Vyrnwy Map

There are no other monitored rivers nearby

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