RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Leck Beck

Largest measured brown / sea trout: 24.3 cm

The largest brown / sea trout measured in Environment Agency surveys of the Leck Beck was 24.3 cm, recorded at Cowan Bridge, Leck Beck on 21 August 2013.

Across 563 measured brown / sea trout, the median measured length was 9.1 cm.

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

See brown / sea trout records across England →

Most recent observation20 October 2025Cowan Bridge, Leck Beck · 10 fish
Largest measured brown / sea trout
24.3 cm
Median length
9.1 cm
Fish measured
563
Survey locations
3

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
24.3 cm21 Aug 2013Cowan Bridge, Leck Beck138527
24 cm24 Sept 1997Cowan Bridge, Leck Beck112497
23.1 cm30 Jul 2007Cowan Bridge, Leck Beck106397
22 cm8 Sept 2003Nether Burrow78440
20.8 cm21 Sept 2006Nether Burrow101704
20.3 cm21 Sept 2006Nether Burrow101704
20 cm21 Aug 2013Cowan Bridge, Leck Beck138527
19.3 cm30 Jul 2007Cowan Bridge, Leck Beck106397
18.9 cm30 Jul 2007Cowan Bridge, Leck Beck106397
18.9 cm21 Sept 2006Nether Burrow101704

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
Cowan Bridge, Leck Beck13 Jul 198120 Oct 202512
Nether Burrow30 Jun 198120 Jun 202429
Spring Bank Wood18 Jul 199118 Jul 19911

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

1981–2025

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 563 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
6.6 cm
Median
9.1 cm
Upper quarter
12.8 cm
Largest
24.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Leck Beck

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

European eel Atlantic salmon

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 →