River Ingrebourne

Starting at Lamson Road Bridge, this section of river is a mixture of amenity grassland, old landfill and industrial sites. There is a range of issues that have been noted including trampling, invasive species and fly tipping.

The area (land use)

The dominant land use for this stretch of river is scrub and suburban/urban.

Horses were the main livestock recorded.

Channel characteristics

The river channel consists of mainly silt, and riffles are present.

At the time of recording the flow of water was medium and the channel was wide and in depth.

For most of this stretch the channel profile is 10-45 degrees.

Bankside trees were frequent, marginal plants and in-channel plants are frequent. Woody debris was noted to be occasional.


The channel has not been straightened and man-made enhancements are absent along this stretch of river.

Field drains were recorded as absent and barriers / culverts are absent.


Areas of trampling / poaching were present in the downstream section only and areas of erosion were absent at the time of the survey.


Otter prints were noted at this site. Invasive species such as japanese knotweed was also noted as a problem.



River Ingrebourne

Date completed


Upstream Grid ref (red marker)


Downstream Grid ref (green marker)


Website key stakeholders:

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Design by LTD Design Consultants and build by Garganey Consulting based on an original concept by Herts and Middlesex Wildlife Trust