RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Lambourn

Largest measured brown / sea trout: 76.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Lambourn was 76.4 cm, recorded at Upstream Shaw Gauging Station on 31 May 2013.

Across 10,808 measured brown / sea trout, the median measured length was 17.1 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 Lambourn.

See brown / sea trout records across England →

Most recent observation21 October 2025Moorbridge Farm · 134 fish
Largest measured brown / sea trout
76.4 cm
Median length
17.1 cm
Fish measured
10,808
Survey locations
12

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
76.4 cm31 May 2013Upstream Shaw Gauging Station136163
67.9 cm31 May 2013Upstream Shaw Gauging Station136163
67.9 cm22 May 2012Upstream Shaw Gauging Station131426
67.5 cm31 May 2013Upstream Shaw Gauging Station136163
67 cm31 May 2013Upstream Shaw Gauging Station136163
63.3 cm25 Jun 2014Upstream Shaw Gauging Station141465
62.8 cm31 May 2013Upstream Shaw Gauging Station136163
60.5 cm25 Jun 2014Upstream Shaw Gauging Station141465
58.6 cm18 Nov 2022Moorbridge Farm162039
58.2 cm22 May 2012Upstream Shaw Gauging Station131426

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
Moorbridge Farm2 Nov 200021 Oct 202521
Easton Lodge20 Oct 200021 Oct 202521
Upstream Shaw Gauging Station22 May 201225 Jun 20143
Woodspeen16 Mar 200630 Apr 20142
Whelford Park15 Mar 200630 Apr 20143
Upstream Shaw Footbridge24 Nov 200819 Nov 20136
Upstream Old Railway Bridge18 Nov 200919 Nov 20135
Upstream Old A3424 Nov 200819 Nov 20136
Westbrook Farm20 Oct 20007 Nov 201313
East Shefford24 Mar 200624 Mar 20061
Upstream of confluence16 Mar 200616 Mar 20061
Great Shefford - Upstream Bridge4 Nov 20024 Nov 20021

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

2000–2025

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 10,808 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
11.3 cm
Median
17.1 cm
Upper quarter
22.5 cm
Largest
76.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lambourn

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

Bullhead Grayling Pike Minnow Atlantic salmon Roach

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 →