RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Austwick Beck

Largest measured brown / sea trout: 27 cm

The largest brown / sea trout measured in Environment Agency surveys of the Austwick Beck was 27 cm, recorded at Downstream Dam House Bridge at Silloth House on 28 July 1997.

Across 1,510 measured brown / sea trout, the median measured length was 6.3 cm.

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

See brown / sea trout records across England →

Most recent observation11 August 2025A65 Bridge · 44 fish
Largest measured brown / sea trout
27 cm
Median length
6.3 cm
Fish measured
1,510
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
27 cm28 Jul 1997Downstream Dam House Bridge at Silloth House113483
25 cm22 Jul 2013A65 Bridge137460
24 cm22 Jul 2013A65 Bridge137460
22 cm22 Jul 2013A65 Bridge137460
20 cm11 Aug 2025Downstream Dam House Bridge at Silloth House177891
20 cm28 Jul 1997Upstream Sowerthwaite Farm113447
19 cm28 Jul 1997Upstream Sowerthwaite Farm113447
18.5 cm11 Aug 2025A65 Bridge177908
18.4 cm18 Jul 2019A65 Bridge154885
18.4 cm22 Jul 2013A65 Bridge137460

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 Dam House Bridge at Silloth House28 Jul 199711 Aug 20255
A65 Bridge4 Aug 198211 Aug 202514
Village Bridge16 Jul 199122 Jul 20113
Wharfe Gill Syke20 Jul 201120 Jul 20111
Flascoe Bridge28 Jul 199720 Jul 20112
Waters Farm Bridge8 Jul 19853 Oct 19972
Wood End Farm17 Jul 199128 Jul 19972
Upstream Sowerthwaite Farm28 Jul 199728 Jul 19971
Town Head28 Jul 199728 Jul 19971
Austwick/Fen Beck Confluence17 Aug 198217 Aug 19821

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 1,510 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
5.5 cm
Median
6.3 cm
Upper quarter
7.7 cm
Largest
27 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Austwick Beck

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

Bullhead 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 →