RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Borrow Beck

Largest measured brown / sea trout: 55 cm

The largest brown / sea trout measured in Environment Agency surveys of the Borrow Beck was 55 cm, recorded at Upstream Bridge Nr Whinfell Common on 15 September 2008.

Across 1,867 measured brown / sea trout, the median measured length was 8.5 cm.

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

See brown / sea trout records across England →

Most recent observation16 October 2025Breasthigh Road, Borrow Beck · 49 fish
Largest measured brown / sea trout
55 cm
Median length
8.5 cm
Fish measured
1,867
Survey locations
8

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
55 cm15 Sept 2008Upstream Bridge Nr Whinfell Common114424
54 cm15 Sept 2008Upstream Bridge Nr Whinfell Common114424
49 cm17 Sept 2019Upstream Bridge Nr Whinfell Common155464
48.3 cm24 Aug 2011Upstream Bridge Nr Whinfell Common127567
47.5 cm5 Sept 2023Upstream Bridge Nr Whinfell Common163161
40 cm14 Sept 2009Upstream Bridge Nr Whinfell Common118960
40 cm5 Sept 2002Upstream Bridge Nr Whinfell Common72195
39 cm17 Sept 2019Upstream Bridge Nr Whinfell Common155464
35.4 cm5 Sept 2023Upstream Bridge Nr Whinfell Common163161
35 cm8 Aug 2012Upstream Bridge Nr Whinfell Common132749

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
Breasthigh Road, Borrow Beck27 Aug 199116 Oct 20258
Upstream Bridge Nr Whinfell Common23 Jun 198116 Jul 202424
A685 Bridge1 Jul 198513 Aug 20075
Borrowdale Head27 Aug 19916 Aug 20074
High House27 Aug 19912 Sept 20023
High Borrowdale11 Aug 19822 Sept 20026
Near Barn28 Aug 199128 Aug 19911
Low Borrowdale28 Aug 199128 Aug 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 1,867 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
7 cm
Median
8.5 cm
Upper quarter
12.2 cm
Largest
55 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Borrow Beck

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

Atlantic salmon European eel

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 →