RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Brathay

Largest measured brown / sea trout: 18.9 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Brathay was 18.9 cm, recorded at 310.10 Brathay us Clappersgate CPUE on 11 August 2023.

Across 68 measured brown / sea trout, the median measured length was 7.2 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 Brathay.

See brown / sea trout records across England →

Most recent observation31 July 2025310.00 US Brathay Bridge Clappersgate · 16 fish
Largest measured brown / sea trout
18.9 cm
Median length
7.2 cm
Fish measured
68
Survey locations
10

Individual EA measurements

Largest measured brown / sea trout

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

LengthSurvey dateSurvey locationSurvey ID
18.9 cm11 Aug 2023310.10 Brathay us Clappersgate CPUE162944
16 cm3 Jul 2025316.00 Moss Rigg178117
14 cm11 Aug 2023310.10 Brathay us Clappersgate CPUE162944
12.5 cm3 Jul 2025316.00 Moss Rigg178117
12.3 cm3 Jul 2025316.00 Moss Rigg178117
9.4 cm1 Aug 2024313.01 Brathay ds Skelwith Bridge CPUE166044
9.3 cm31 Jul 2025310.00 US Brathay Bridge Clappersgate178434
9.3 cm11 Aug 2023313.01 Brathay ds Skelwith Bridge CPUE163004
9.3 cm11 Aug 2023310.10 Brathay us Clappersgate CPUE162944
9.2 cm11 Aug 2023313.01 Brathay ds Skelwith Bridge CPUE163004

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

Explore the river

Where brown / sea trout were found

Each point marks a survey location with at least one brown / sea trout 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 brown / sea trout
310.00 US Brathay Bridge Clappersgate22 Oct 199231 Jul 20256
316.00 Moss Rigg6 Oct 19923 Jul 20256
313.01 Brathay ds Skelwith Bridge CPUE11 Aug 20231 Aug 20242
310.10 Brathay us Clappersgate CPUE11 Aug 202311 Aug 20231
313.00 Skelwith Bridge, River Brathay22 Oct 199212 Sept 20133
Stang End6 Oct 19929 Sept 19962
Near Colwith24 Aug 199322 Aug 19962
Fell Foot23 Jul 199222 Aug 19962
DS Measure Gauge #218 Jul 199418 Jul 19941
DS Measure Gauge #118 Jul 199418 Jul 19941

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

1992–2025

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

Fish measured by surveyors

Measured length distribution

See how the 68 measured fish were spread across different length ranges.

Smallest
3.9 cm
Lower quarter
5.3 cm
Median
7.3 cm
Upper quarter
8.1 cm
Largest
18.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Brathay

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

Atlantic salmon European eel Perch

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 →