River Levels
River Levels

Loch Lomond at Ross Priory

Current River Level


At 6:30am, Thursday 25th July BST
(5:30am, Thursday 25th July GMT)

Within the usual range for this location

Rising, 0.01 from previous measurement at 6:15am, Thursday 25th July BST

Flood Warning Areas Covering Here

South Lomond Shores

No current or recent warnings.

Other Nearby Flood Warning Areas

Lower Endrick

No current or recent warnings.


No current or recent warnings.

Alexandria Upper

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: Ross Priory
  • Watercourse: Loch Lomond
  • Nearest Town/Village:
  • Local Authority: West Dunbartonshire
  • Ceremonial County: Dunbartonshire
  • Coordinates: 56°3'9"N 4°33'26"W (56.05257642,-4.55746111)
  • OS Grid: NS4082787363 (240827,687363)
  • Mapcode (Local): GBR 0M.QN3S
  • Mapcode (Global): WH3N4.Y4YC
  • Open Location Code: 9C8Q3C3V+22
  • Maidenhead Locator System: IO76rb32
  • SEPA Location ID: 133124
  • SEPA Gauge ID: 133124
  • UK Hydrometric Area: Leven (Dumbartonshire)

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 Loch Lomond at Ross Priory is between 7.48m and 9.09m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Loch Lomond at Ross Priory over the past 12 months has been between 7.50m and 9.40m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the Loch Lomond at Ross Priory is 10.37m, reached on Thursday 14th December 2006 at 12:00pm.

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

Nearby Monitoring Locations

There are no other monitoring stations on the Loch Lomond

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