RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Calder

Largest measured brown / sea trout: 38 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Calder was 38 cm, recorded at Townley High School on 27 July 1999.

Across 470 measured brown / sea trout, the median measured length was 11.1 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 Calder.

See brown / sea trout records across England →

Most recent observation29 August 2025Downstream Altham Bridge · 11 fish
Largest measured brown / sea trout
38 cm
Median length
11.1 cm
Fish measured
470
Survey locations
18

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
38 cm27 Jul 1999Townley High School114654
37.6 cm31 Aug 2011Gawthorpe Hall127707
37 cm6 Jul 1993Stoneyholme M65 Bridge114707
36.8 cm29 Aug 2025Downstream Altham Bridge180053
36 cm6 Jul 1993Stoneyholme M65 Bridge114707
33 cm27 Jul 1999Townley High School114654
33 cm28 Jun 1993Barcroft Hall114702
31 cm27 Jul 1999Townley High School114654
30.5 cm28 Jun 1993Barcroft Hall114702
30.4 cm14 Jul 2010Gawthorpe Hall122760

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
Downstream Altham Bridge24 Jun 201329 Aug 202510
Upstream A59 Road Bridge18 May 201022 Aug 20236
Foxcroft13 Jul 201017 Aug 20236
Lune Street, Padiham14 Jul 20103 Jul 20234
Inghams Farm ptc Pendle Water6 Jul 199321 Aug 20153
Gawthorpe Hall14 Jul 201018 Sept 20143
Upstream Pendle Hall11 Sept 201411 Sept 20141
Pendle Hall3 Aug 199911 Sept 20143
North Padiham21 Jul 201121 Jul 20111
Downstream Black Clough21 Jul 199911 Jul 20113
Upstream Altham bridge21 May 19844 Aug 20032
Downstream A59 Road Bridge23 Apr 19858 Sept 19992
Townley High School30 Jun 199327 Jul 19992
Townley Park Nursery23 Jul 199923 Jul 19991
Townley Park Golf Course30 Jun 199323 Jul 19992
Stoneyholme M65 Bridge6 Jul 19936 Jul 19931
Cliviger28 Jun 199328 Jun 19931
Barcroft Hall28 Jun 199328 Jun 19931

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

1984–2025

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 470 measured fish were spread across different length ranges.

Smallest
3.9 cm
Lower quarter
7.5 cm
Median
11.1 cm
Upper quarter
15.2 cm
Largest
38 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Calder

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

European eel Bullhead Chub Gudgeon Roach 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 →