River Levels
River Levels

Cynon at Aberdare

Current River Level


At 3:00am, Tuesday 26th September BST
(2:00am, Tuesday 26th September GMT)

Within the usual range for this location

Falling, -0.020 from previous measurement at 11:00pm, Monday 25th September BST

Flood Warning Areas Covering Here

River Cynon

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: Aberdare
  • Watercourse: Cynon
  • Nearest Town/Village: Aberdare
  • Local Authority: Rhondda Cynon Taf
  • Ceremonial County: Mid Glamorgan
  • Coordinates: 51°42'47"N 3°26'26"W (51.713126,-3.440677)
  • OS Grid: SO0056202582 (,)
  • Mapcode (Local): GBR HL.3784
  • Mapcode (Global): VH6D3.96XK
  • Open Location Code: 9C3RPH75+7P
  • Maidenhead Locator System: IO81gr71
  • Natural Resources Wales Location ID: 4231
  • Natural Resources Wales Gauge ID: 4231
  • Operational Area: Cynon
  • Catchment Area: South East Valleys
  • UK Hydrometric Area: Taff Group

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 Cynon at Aberdare is between 0.06m and 0.82m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Cynon at Aberdare over the past 12 months has been between 0.03m and 0.78m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the Cynon at Aberdare is 2.13m, reached on Sunday 16th February 2020 at 3:00am.

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.

Nearby Monitoring Locations

Other monitoring locations on the Cynon

Cynon Map
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