RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Ramsden Clough (Colne)

Largest measured brown / sea trout: 35.8 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Ramsden Clough (Colne) was 35.8 cm, recorded at Brownhill Reservoir (WR) on 9 October 2008.

Across 616 measured brown / sea trout, the median measured length was 8.7 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 Ramsden Clough (Colne).

See brown / sea trout records across England →

Most recent observation28 August 2025Brownhill Reservoir (WR) · 36 fish
Largest measured brown / sea trout
35.8 cm
Median length
8.7 cm
Fish measured
616
Survey locations
1

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
35.8 cm9 Oct 2008Brownhill Reservoir (WR)116035
35.7 cm20 Aug 2001Brownhill Reservoir (WR)109262
28.6 cm20 Aug 2001Brownhill Reservoir (WR)109262
28.4 cm9 Oct 2008Brownhill Reservoir (WR)116035
28.2 cm9 Oct 2008Brownhill Reservoir (WR)116035
27.1 cm9 Aug 2000Brownhill Reservoir (WR)109237
27 cm6 Aug 2007Brownhill Reservoir (WR)110352
26.9 cm20 Aug 2001Brownhill Reservoir (WR)109262
26.7 cm9 Oct 2008Brownhill Reservoir (WR)116035
26.7 cm16 Aug 2006Brownhill Reservoir (WR)103610

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
Brownhill Reservoir (WR)9 Aug 200028 Aug 202511

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

2000–2025

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 616 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
6.6 cm
Median
8.7 cm
Upper quarter
13.1 cm
Largest
35.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ramsden Clough (Colne)

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

Bullhead

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 →