RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Derwent (Yorkshire)

Largest measured brown / sea trout: 48.3 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Derwent (Yorkshire) was 48.3 cm, recorded at Buttercrambe DERCORS9 on 11 September 2007.

Across 1,080 measured brown / sea trout, the median measured length was 16.3 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 Derwent (Yorkshire).

See brown / sea trout records across England →

Most recent observation3 September 2024Downstream Weir Head DERBT3 · 12 fish
Largest measured brown / sea trout
48.3 cm
Median length
16.3 cm
Fish measured
1,080
Survey locations
16

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
48.3 cm11 Sept 2007Buttercrambe DERCORS9107008
46 cm1 Sept 2003Howsham DERCORS878340
43.5 cm10 Sept 2003Buttercrambe DERCORS978341
41.9 cm6 Sept 2002Stamford Bridge DERCORS1072277
39.6 cm24 Sept 2001Downstream Forge Valley gauging weir. DERBT5.24045
39.2 cm16 Jul 2018Stamford Bridge DERCORS10152887
38.7 cm15 Sept 2009Buttercrambe DERCORS9119820
38.1 cm24 Sept 2001Downstream Weir Head DERBT324043
37.9 cm13 Jul 2009Yedingham DERCORS4118747
37.7 cm24 Sept 2001Downstream Forge Valley gauging weir. DERBT5.24045

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
Downstream Weir Head DERBT324 Sept 20013 Sept 202417
Downstream Forge Valley gauging weir. DERBT5.24 Sept 20013 Sept 202418
Stamford Bridge DERCORS1024 Apr 199516 Jul 201811
Buttercrambe DERCORS914 Sept 200128 Jun 201811
Howsham DERCORS812 Sept 200116 Jul 20159
Malton DERCORS55 Sept 200114 Jul 201510
Langdale end bridge20 Jun 200613 Sept 20122
Downstream Wrench Green Bridge.DERBT225 Jun 200213 Sept 20122
Kirkham Abbey DERCORS77 Sept 200115 Sept 20093
Yedingham DERCORS413 Jul 200913 Jul 20091
Upstream Wrench Green Bridge25 Jun 200221 Jun 20062
Darrells Low Fm21 Jun 200621 Jun 20061
Downstream West Ayton DERBT630 Aug 200027 Aug 20034
Sutton Upon Derwent DERCORS189 Sept 20029 Sept 20021
Old Man's Mouth DERBT424 Jun 200224 Jun 20021
Low Hutton DERCORS67 Sept 20017 Sept 20011

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

1995–2024

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 1,080 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
9 cm
Median
16.3 cm
Upper quarter
21.2 cm
Largest
48.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Derwent (Yorkshire)

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

Minnow Bullhead Stone loach Dace European eel 3-spined stickleback

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 →