Atlantic salmon · Salmo salar

Atlantic salmon in the River Cocker

Largest measured atlantic salmon: 16 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Cocker was 16 cm, recorded at 1666.00 Broughton Beck, River Derwent on 7 July 2023.

Across 127 measured atlantic salmon, the median measured length was 6.5 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 Cocker.

See atlantic salmon records across England →

Most recent observation10 July 20231601.00 Honister Pass, Gaitsgarthdale Beck · 40 fish

Largest measured atlantic salmon: 16 cm
Median length: 6.5 cm
Fish measured: 127
Survey locations: 19

Individual EA measurements

Largest measured atlantic salmon

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
16 cm	7 Jul 2023	1666.00 Broughton Beck, River Derwent	162638
12.5 cm	7 Jul 2023	1666.00 Broughton Beck, River Derwent	162638
12.3 cm	8 Jul 2021	1666.00 Broughton Beck, River Derwent	160024
12.2 cm	7 Jul 2023	1666.00 Broughton Beck, River Derwent	162638
11.5 cm	7 Jul 2023	1666.00 Broughton Beck, River Derwent	162638
10.5 cm	8 Jul 2021	1666.00 Broughton Beck, River Derwent	160024
10.2 cm	10 Jul 2023	1601.00 Honister Pass, Gaitsgarthdale Beck	162554
9.8 cm	10 Jul 2023	1601.00 Honister Pass, Gaitsgarthdale Beck	162554
9.8 cm	10 Jul 2023	1601.00 Honister Pass, Gaitsgarthdale Beck	162554
9.7 cm	10 Jul 2023	1601.00 Honister Pass, Gaitsgarthdale Beck	162554

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where atlantic salmon were found

Each point marks a survey location with at least one atlantic salmon 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 atlantic salmon
1601.00 Honister Pass, Gaitsgarthdale Beck	17 Jul 2006	10 Jul 2023	3
1666.00 Broughton Beck, River Derwent	26 Jul 2004	7 Jul 2023	4
1656.00 Tom Rudd Beck, River Cocker	6 Jul 2017	6 Jul 2017	1
1619.40 Sail Beck, River Cocker	18 Jul 2006	5 Sept 2013	2
1603.00 DS Buttermere, Buttermere Dubs	5 Sept 2013	5 Sept 2013	1
1615.50 DS Jubille Bridge d/s Footbridge	24 Jul 2013	24 Jul 2013	1
1611.10 Low Stanger Farm, River Cocker	10 Sept 2003	24 Jul 2013	5
1612.00 DS Southwaite Road Bridge, R Cocker	12 Sept 2001	23 Jul 2013	6
1609.80 High Rogerscale, River Cocker	10 Sept 2003	23 Jul 2013	5
1609.48 Nr Sewage Works, River Cocker	29 Sept 2009	23 Jul 2013	3
1609.12 DS Lorton Road Bridge, River Cocker	29 Sept 2009	23 Jul 2013	3
1607.00 Redhow, River Cocker	8 Sept 2003	23 Jul 2013	5
1606.50 Cornhow, River Cocker	8 Sept 2003	22 Jul 2013	6
1605.90 DS from weir at Scales car park, R Cocker	11 Sept 2001	22 Jul 2013	5
1605.00 DS Crummock Water, R Cocker	11 Sept 2001	22 Jul 2013	6
1659.53 Bitter Beck, River Cocker	26 Jul 2011	26 Jul 2011	1
1615.00 DS of Jubilee Bridge, River Cocker	25 Sept 2001	3 Sept 2010	6
1609.10 DS Lorton road bridge, R Cocker	11 Sept 2001	21 Jul 2006	4
1609.50 Nr Sewage Treatment Works, R. Cocker	18 Sept 2003	19 Aug 2005	2

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

2001–2023

Survey records by year

Each bar shows how many survey visits recorded atlantic salmon that year.

501

002

1003

104

905

506

007

008

1009

1010

311

012

1213

014

015

016

117

018

019

020

121

022

223

Fish measured by surveyors

Measured length distribution

See how the 127 measured fish were spread across different length ranges.

Smallest: 4.5 cm
Lower quarter: 6 cm
Median: 6.5 cm
Upper quarter: 7.8 cm
Largest: 16 cm

0–99 mm

120

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Cocker

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

Brown / sea trout 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 →