RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Lumburn

Largest measured brown / sea trout: 30.1 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Lumburn was 30.1 cm, recorded at d/s Mill Hill on 16 September 2009.

Across 1,258 measured brown / sea trout, the median measured length was 11.9 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 Lumburn.

See brown / sea trout records across England →

Most recent observation15 August 2025d/s Mill Hill · 14 fish
Largest measured brown / sea trout
30.1 cm
Median length
11.9 cm
Fish measured
1,258
Survey locations
7

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
30.1 cm16 Sept 2009d/s Mill Hill120758
29.5 cm24 Jul 2013d/s Mill Hill138055
27 cm22 Jul 2003Lamerton76435
26.8 cm19 Jun 2023Lamerton162558
26.8 cm18 Jun 2019Lamerton154694
26.5 cm24 Jul 2013d/s Mill Hill138055
26.1 cm22 Jul 2003Lamerton76435
26 cm12 Aug 2019d/s Mill Hill155642
25.9 cm16 Sept 2009d/s Mill Hill120758
25.9 cm26 Jul 2002Lamerton72525

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
d/s Mill Hill10 Aug 198315 Aug 20259
Lamerton3 Aug 198325 Jun 202519
Parswell20 Jul 20234 Jul 20242
u/s Mill Hill10 Aug 19839 Jul 19982
u/s Lumburn3 Aug 19839 Jul 19982
Shilla Mill29 Jul 19838 Jul 19982
d/s Lumburn8 Aug 19838 Aug 19831

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

1983–2025

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 1,258 measured fish were spread across different length ranges.

Smallest
3.6 cm
Lower quarter
6.8 cm
Median
11.9 cm
Upper quarter
15.5 cm
Largest
30.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lumburn

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

Bullhead European eel Atlantic salmon Minnow Stone loach Brook lamprey

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 →