Brown / sea trout · Salmo trutta

Brown / sea trout in the Cairn Beck

Largest measured brown / sea trout: 25.6 cm

The largest brown / sea trout measured in Environment Agency surveys of the Cairn Beck was 25.6 cm, recorded at 1174.00 Cairn Beck - Glencairn Mill on 22 June 2021.

Across 149 measured brown / sea trout, the median measured length was 6.6 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Cairn Beck.

See brown / sea trout records across England →

Most recent observation30 June 20251177.00 Cairn Beck - US Warwick Bridge · 27 fish

Largest measured brown / sea trout: 25.6 cm
Median length: 6.6 cm
Fish measured: 149
Survey locations: 6

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
25.6 cm	22 Jun 2021	1174.00 Cairn Beck - Glencairn Mill	159970
25 cm	8 Jul 2019	1177.00 Cairn Beck - US Warwick Bridge	154908
24.5 cm	22 Jun 2021	1174.00 Cairn Beck - Glencairn Mill	159970
24.4 cm	30 Jun 2025	1177.00 Cairn Beck - US Warwick Bridge	177279
22.9 cm	30 Jun 2025	1177.00 Cairn Beck - US Warwick Bridge	177279
22.5 cm	8 Jul 2019	1177.00 Cairn Beck - US Warwick Bridge	154908
22.3 cm	8 Jul 2019	1177.00 Cairn Beck - US Warwick Bridge	154908
22.2 cm	8 Jul 2019	1177.00 Cairn Beck - US Warwick Bridge	154908
22.2 cm	8 Jul 2019	1177.00 Cairn Beck - US Warwick Bridge	154908
22.2 cm	8 Jul 2019	1177.00 Cairn Beck - US Warwick Bridge	154908

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
1177.00 Cairn Beck - US Warwick Bridge	2 Sept 2003	30 Jun 2025	7
1179.00 Cairn Beck - Newbiggin	2 Sept 2003	24 Jun 2025	7
1174.00 Cairn Beck - Glencairn Mill	2 Sept 2003	17 Jun 2025	15
1176.00 Cairn Beck - Warwick Hatchery	2 Sept 2003	12 Jul 2006	4
1173.00 Cairn Beck - DS Morley Hill	2 Sept 2003	12 Jul 2006	4
1172.00 Cairn Beck - Carlattan Mill Farm	2 Sept 2003	12 Jul 2006	4

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

2003–2025

Survey records by year

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

603

604

605

606

007

008

009

110

111

312

113

014

115

116

017

118

319

020

121

022

123

024

325

Fish measured by surveyors

Measured length distribution

See how the 149 measured fish were spread across different length ranges.

Smallest: 4.5 cm
Lower quarter: 6 cm
Median: 6.6 cm
Upper quarter: 14.5 cm
Largest: 25.6 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Cairn Beck

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

European eel

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 →