RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Bretherdale Beck

Largest measured brown / sea trout: 23 cm

The largest brown / sea trout measured in Environment Agency surveys of the Bretherdale Beck was 23 cm, recorded at Midwath Stead Farm, Bretherdale Beck on 14 October 1997.

Across 415 measured brown / sea trout, the median measured length was 7.3 cm.

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

See brown / sea trout records across England →

Most recent observation3 September 2025Midwath Stead Farm, Bretherdale Beck · 205 fish
Largest measured brown / sea trout
23 cm
Median length
7.3 cm
Fish measured
415
Survey locations
2

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
23 cm14 Oct 1997Midwath Stead Farm, Bretherdale Beck112616
21.7 cm3 Jul 2019Midwath Stead Farm, Bretherdale Beck154774
20.5 cm14 Oct 1997Midwath Stead Farm, Bretherdale Beck112616
19.2 cm8 Jul 2013Midwath Stead Farm, Bretherdale Beck137463
18.7 cm3 Jul 2019Midwath Stead Farm, Bretherdale Beck154774
18.2 cm8 Jul 2013Midwath Stead Farm, Bretherdale Beck137463
15.5 cm3 Sept 2025Midwath Stead Farm, Bretherdale Beck178482
15.2 cm8 Jul 2013Midwath Stead Farm, Bretherdale Beck137463
15 cm3 Sept 2025Midwath Stead Farm, Bretherdale Beck178482
15 cm3 Jul 2019Midwath Stead Farm, Bretherdale Beck154774

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
Midwath Stead Farm, Bretherdale Beck13 Aug 19823 Sept 202511
Downstream Bretherdale Hall18 Jul 198318 Jul 19831

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

1982–2025

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 415 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
6 cm
Median
7.3 cm
Upper quarter
10.4 cm
Largest
23 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bretherdale Beck

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

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 →