RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Wensum (central)

Largest measured brown / sea trout: 60.3 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Wensum (central) was 60.3 cm, recorded at Hellesdon Road (Albert's) on 16 July 2024.

Across 277 measured brown / sea trout, the median measured length was 24.7 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 Wensum (central).

See brown / sea trout records across England →

Most recent observation10 September 2025Swanton Morley · 1 fish
Largest measured brown / sea trout
60.3 cm
Median length
24.7 cm
Fish measured
277
Survey locations
14

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
60.3 cm16 Jul 2024Hellesdon Road (Albert's)166536
58.8 cm13 Sept 2018Hellesdon Road (Albert's)154254
52.2 cm3 Jul 2019Hellesdon Road (Albert's)156026
50.7 cm23 Jun 1994Attlebridge Hall Farm17314
47 cm20 Aug 2024County School166546
46.9 cm10 Sept 2025Swanton Morley178546
46.2 cm7 Sept 2016Downstream Gt Ryburgh Bridge150021
46.2 cm13 Oct 2006Blakes Meadow101907
45.8 cm31 Oct 2019Sparham pool, Lyng156041
45.5 cm5 Sept 2013Downstream Gt Ryburgh Bridge138561

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
Swanton Morley23 Jun 198610 Sept 202510
Downstream Elsing Mill23 Jun 19867 Aug 20258
Downstream Gt Ryburgh Bridge9 Jun 19861 Aug 202517
County School17 Jul 199020 Aug 20246
Hellesdon Road (Albert's)13 Sept 201816 Jul 20243
Sparham pool, Lyng26 Sept 201331 Oct 20192
Pensthorpe Hall10 Jun 19867 Aug 201810
U/s Billingford Rd Bridge7 Sept 201028 Sept 20112
Downstream Billingford Bridge19 Jun 19864 Sept 20097
Blakes Meadow13 Oct 200613 Oct 20061
Attlebridge Hall Farm23 Jun 199429 Sept 20062
Upstream Gt Ryburgh4 Jul 199011 Sept 20063
Downstream Attlebridge Bridge7 Jul 198622 Sept 20034
Alders Spinney8 Aug 20028 Aug 20021

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

1986–2025

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 277 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
19.5 cm
Median
24.7 cm
Upper quarter
30.3 cm
Largest
60.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wensum (central)

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

Pike Dace Roach European eel Perch Gudgeon

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 →