RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Ryburn

Largest measured brown / sea trout: 37.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Ryburn was 37.5 cm, recorded at Kebroyd on 3 October 2008.

Across 5,380 measured brown / sea trout, the median measured length was 12.4 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 Ryburn.

See brown / sea trout records across England →

Most recent observation27 August 2025Bar Lane (u/s Booth Dean Clough) (WR) · 61 fish
Largest measured brown / sea trout
37.5 cm
Median length
12.4 cm
Fish measured
5,380
Survey locations
9

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
37.5 cm3 Oct 2008Kebroyd116019
36.2 cm8 Sept 2009Lee Mill Ind Est119923
34.8 cm3 Oct 2008Ripponden (Hodgsons Chemicals)116021
34.6 cm15 Aug 2007Lee Mill Ind Est110378
34.5 cm9 Sept 2009Kebroyd119971
33.8 cm9 Sept 2012Kebroyd133330
33.5 cm3 Oct 2008Kebroyd116019
32.3 cm9 Sept 2009Kebroyd119971
32.1 cm9 Sept 2009Ripponden (Hodgsons Chemicals)119975
31.9 cm9 Sept 2009Ripponden (Hodgsons Chemicals)119975

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
Bar Lane (u/s Booth Dean Clough) (WR)7 Sept 199927 Aug 202521
Ripponden (Hodgsons Chemicals)27 Sept 199012 Aug 201515
Lee Mill Ind Est27 Sept 199012 Aug 20158
Kebroyd15 Aug 20079 Sept 20124
Calder Confluence - u/s7 Sept 19997 Sept 19991
d/s STW (Glenfield Garage)27 Sept 199019 Sept 19952
US Paper Mill27 Sept 199013 Sept 19952
Stones Mill27 Sept 199013 Sept 19952
DS Paper Mill27 Sept 199013 Sept 19952

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

1990–2025

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 5,380 measured fish were spread across different length ranges.

Smallest
1.3 cm
Lower quarter
7.8 cm
Median
12.4 cm
Upper quarter
16.4 cm
Largest
37.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ryburn

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

Rainbow trout 3-spined stickleback Stone loach

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 →