RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the River Nidd

Largest measured atlantic salmon: 16.1 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Nidd was 16.1 cm, recorded at Ribston Park (NEW 2018) on 30 June 2022.

Across 177 measured atlantic salmon, the median measured length was 6.9 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Nidd.

See atlantic salmon records across England →

Most recent observation7 July 2025Cowthorpe · 27 fish
Largest measured atlantic salmon
16.1 cm
Median length
6.9 cm
Fish measured
177
Survey locations
6

Individual EA measurements

Largest measured atlantic salmon

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
16.1 cm30 Jun 2022Ribston Park (NEW 2018)161175
13.2 cm24 Jun 2016Nun Monkton148269
12.5 cm20 Jun 2013Cowthorpe136531
12.3 cm13 Jul 2010Cowthorpe122973
8.6 cm15 Jul 2009Cowthorpe118574
8.6 cm21 Aug 2002Kirk Hammerton68921
8.5 cm28 Aug 2003Cowthorpe78460
8.5 cm28 Aug 2003Cowthorpe78460
8.4 cm15 Jul 2009Cowthorpe118574
8.3 cm7 Jul 2025Cowthorpe177214

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where atlantic salmon were found

Each point marks a survey location with at least one atlantic salmon record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding atlantic salmon
Cowthorpe28 Aug 20037 Jul 202513
Ribston Park (NEW 2018)30 Jun 202218 Jul 20242
Ribston Park5 Jul 201113 Jul 20172
Nun Monkton24 Jun 201624 Jun 20161
Goldsborough22 Jul 201522 Jul 20151
Kirk Hammerton21 Aug 200213 Jul 20092

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

2002–2025

Survey records by year

Each bar shows how many survey visits recorded atlantic salmon that year.

Fish measured by surveyors

Measured length distribution

See how the 177 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
6.4 cm
Median
6.9 cm
Upper quarter
7.3 cm
Largest
16.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Nidd

Compare other species with enough survey and measurement data for a detailed page.

Minnow Bullhead Stone loach Grayling Brown / sea trout European eel

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →