RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Wye

Largest measured brown / sea trout: 52.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Wye was 52.4 cm, recorded at Kingsmead Rec Ground on 11 March 2004.

Across 738 measured brown / sea trout, the median measured length was 17.3 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 Wye.

See brown / sea trout records across England →

Most recent observation19 March 2026Wooburn Green · 103 fish
Largest measured brown / sea trout
52.4 cm
Median length
17.3 cm
Fish measured
738
Survey locations
11

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
52.4 cm11 Mar 2004Kingsmead Rec Ground79481
49.1 cm17 Mar 2026Wycombe Marsh Mill180733
48.6 cm11 Mar 2004Kingsmead Rec Ground79481
48 cm11 Mar 2004Kingsmead Rec Ground79481
47.5 cm11 Mar 2004Kingsmead Rec Ground79481
46.8 cm25 Mar 2004Downstream Pann Mill - The Rye79503
46.2 cm17 Mar 2026Wycombe Marsh Mill180733
46.2 cm11 Mar 2004Kingsmead Rec Ground79481
45.9 cm17 Mar 2026Wycombe Marsh Mill180733
45.6 cm17 Mar 2026Wycombe Marsh Mill180733

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
Wooburn Green9 Mar 200419 Mar 20263
Cores End30 Apr 201019 Mar 20263
Kingsmead Rec Ground11 Mar 200418 Mar 20262
Wycombe Marsh Mill3 Mar 200417 Mar 20262
Upstream Desborough Park Road17 Mar 202617 Mar 20261
Park Farm Road17 Mar 202617 Mar 20261
Boundary Park23 Sept 201019 Apr 20162
Fryers road rec ground25 Mar 200425 Mar 20041
Downstream Pann Mill - The Rye25 Mar 200425 Mar 20041
Wooburn Green M409 Mar 20049 Mar 20041
Bourne End9 Mar 20049 Mar 20041

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

2004–2026

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 738 measured fish were spread across different length ranges.

Smallest
8.1 cm
Lower quarter
13.3 cm
Median
17.3 cm
Upper quarter
24.5 cm
Largest
52.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wye

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

Bullhead 3-spined stickleback Perch 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 →