RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Ashburn

Largest measured brown / sea trout: 25 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Ashburn was 25 cm, recorded at Belford Mill (Sp) on 3 August 2021.

Across 150 measured brown / sea trout, the median measured length was 10.6 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 Ashburn.

See brown / sea trout records across England →

Most recent observation12 June 2024Belford Mill (Sp) · 38 fish
Largest measured brown / sea trout
25 cm
Median length
10.6 cm
Fish measured
150
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
25 cm3 Aug 2021Belford Mill (Sp)160702
24 cm3 Aug 2021Belford Mill (Sp)160702
23.9 cm25 Jun 2008Belford Mill (Sp)111691
22.5 cm12 Jun 2024Belford Mill (Sp)165181
22.1 cm3 Aug 2021Belford Mill (Sp)160702
21.4 cm16 Jun 2014Belford Mill (Sp)141436
21.1 cm25 Jun 2008Belford Mill (Sp)111691
20.8 cm12 Jun 2024Belford Mill (Sp)165181
20.6 cm16 Jun 2014Belford Mill (Sp)141436
20.5 cm12 Jun 2024Belford Mill (Sp)165181

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
Belford Mill (Sp)5 Jun 199612 Jun 20247
Pridhamsleigh (Sp)*30 May 199618 Jun 20023

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

1996–2024

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 150 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
6.8 cm
Median
10.6 cm
Upper quarter
15.5 cm
Largest
25 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ashburn

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

Bullhead 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 →