Brown / sea trout · Salmo trutta

Brown / sea trout in the River Rivelin

Largest measured brown / sea trout: 39.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Rivelin was 39.5 cm, recorded at Downstream Mill Dam on 21 September 2006.

Across 6,367 measured brown / sea trout, the median measured length was 11.8 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 Rivelin.

See brown / sea trout records across England →

Most recent observation10 September 2025Upstream Rivelin Dams · 85 fish

Largest measured brown / sea trout: 39.5 cm
Median length: 11.8 cm
Fish measured: 6,367
Survey locations: 10

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.

Length	Survey date	Survey location	Survey ID
39.5 cm	21 Sept 2006	Downstream Mill Dam	103132
33.3 cm	1 Aug 2002	Rivelin Mill	109448
32.9 cm	30 Aug 2017	Allotments Bridge	151457
32.5 cm	3 Sept 2004	Upstream Coppice Cottages	84094
31.3 cm	8 Aug 2008	Upstream Coppice Cottages	114576
31.2 cm	1 Aug 2002	Rivelin Mill	109448
31.1 cm	1 Aug 2002	Upstream Coppice Cottages	109451
30.9 cm	22 Aug 2006	Glen Bridge	103138
30.5 cm	13 Aug 2007	Allotments Bridge	108273
30.5 cm	30 Aug 2005	Coppice Cottages	87468

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 surveyed	First recorded	Last recorded	Visits finding brown / sea trout
Upstream Rivelin Dams	21 Jan 1986	10 Sept 2025	3
Allotments Bridge	1 Aug 2002	20 Aug 2025	18
Rivelin Mill	21 Jan 1986	30 Aug 2017	12
Upstream Roscoe Bridge	1 Aug 2002	11 Aug 2009	8
Havelock Dam	21 Jan 1986	10 Aug 2009	11
Glen Bridge	1 Aug 2002	10 Aug 2009	8
Downstream Mill Dam	1 Aug 2002	10 Aug 2009	8
Upstream Coppice Cottages	1 Aug 2002	4 Aug 2009	8
Hospital	12 Sept 2000	4 Aug 2009	10
Coppice Cottages	1 Aug 2002	4 Aug 2009	8

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

1986–2025

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

386

087

088

089

090

091

092

393

094

095

096

197

098

099

100

101

902

903

904

905

906

907

908

909

110

211

112

013

014

115

016

217

118

119

020

121

022

123

024

225

Fish measured by surveyors

Measured length distribution

See how the 6,367 measured fish were spread across different length ranges.

Smallest: 2.4 cm
Lower quarter: 7 cm
Median: 11.8 cm
Upper quarter: 16.3 cm
Largest: 39.5 cm

0–99 mm

2073

100–199 mm

3630

200–299 mm

652

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rivelin

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

Bullhead Stone loach Brook lamprey 3-spined stickleback Perch Minnow

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 →