RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Swale

Largest measured brown / sea trout: 46.7 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Swale was 46.7 cm, recorded at Langton Bridge on 8 August 2003.

Across 958 measured brown / sea trout, the median measured length was 21.6 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 Swale.

See brown / sea trout records across England →

Most recent observation7 August 2025Skipton-on-Swale · 1 fish
Largest measured brown / sea trout
46.7 cm
Median length
21.6 cm
Fish measured
958
Survey locations
19

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
46.7 cm8 Aug 2003Langton Bridge77825
46.2 cm8 Aug 2005Ellerton86914
45.2 cm8 Aug 2003Langton Bridge77825
44.7 cm14 Aug 2006Langton Bridge101080
44.5 cm8 Aug 2003Langton Bridge77825
43.5 cm14 Aug 2006Langton Bridge101080
43.5 cm7 Aug 2003Brompton-on-Swale, Thornborough Farm77809
43.5 cm26 Jul 2002Kiplin55330
43.2 cm3 Aug 1995Brompton-on-Swale, Thornborough Farm110460
43 cm2 Aug 1995Low Whitta110458

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
Skipton-on-Swale10 Aug 19957 Aug 20256
Brafferton2 Aug 201030 Jul 20257
Hoggarths29 Aug 20024 Sept 202417
Myton Grange3 Jul 20136 Jul 20223
Maunby Demesne Upper Site16 Aug 20005 Jul 20228
Morton-on-Swale15 Aug 20003 Aug 20105
Leckby24 Jul 20022 Jul 20103
Brompton-on-Swale, Thornborough Farm3 Aug 19952 Aug 20077
Langton Bridge3 Aug 199531 Jul 20077
Catterick9 Aug 20029 Aug 20052
Ellerton8 Aug 20058 Aug 20051
Colburn (Broken Brae Caravan Park)8 Aug 20058 Aug 20051
Tancred Grange4 Aug 20054 Aug 20051
Kiplin26 Jul 20024 Aug 20052
Langton Grange3 Aug 20053 Aug 20051
Holme25 Jun 19961 Aug 20053
Richmond27 Jul 200527 Jul 20051
Low Whitta2 Aug 19957 Jun 20053
Far Fairholme25 Jul 200225 Jul 20021

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

1995–2025

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 958 measured fish were spread across different length ranges.

Smallest
1.6 cm
Lower quarter
16.6 cm
Median
21.7 cm
Upper quarter
31 cm
Largest
46.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Swale

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

Minnow Chub Bullhead Stone loach Dace Grayling

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 →