Atlantic salmon · Salmo salar

Atlantic salmon in the River Irt

Largest measured atlantic salmon: 16.5 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Irt was 16.5 cm, recorded at 1801.99 Irton Hall CPUE on 11 September 2024.

Across 774 measured atlantic salmon, the median measured length was 6.9 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 Irt.

See atlantic salmon records across England →

Most recent observation17 October 20251801.50 US Brick Bridge · 176 fish
Largest measured atlantic salmon
16.5 cm
Median length
6.9 cm
Fish measured
774
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.

LengthSurvey dateSurvey locationSurvey ID
16.5 cm11 Sept 20241801.99 Irton Hall CPUE166980
16.5 cm11 Sept 20241801.99 Irton Hall CPUE166980
16 cm12 Sept 20241803.60 Craghouse Bridge CPUE166994
14 cm17 Oct 20251801.50 US Brick Bridge179553
13.7 cm10 Sept 20211801.50 US Brick Bridge160297
13.3 cm10 Sept 20211801.50 US Brick Bridge160297
13 cm17 Oct 20251801.50 US Brick Bridge179553
13 cm15 Sept 20231803.60 Craghouse Bridge CPUE163467
12.9 cm10 Sept 20211801.50 US Brick Bridge160297
12.7 cm10 Sept 20211801.50 US Brick Bridge160297

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 surveyedFirst recordedLast recordedVisits finding atlantic salmon
1801.50 US Brick Bridge21 Sept 200917 Oct 20254
1806.90 DS Wastwater, River Irt28 Jul 201422 Aug 20254
1804.95 Nether Wasdale CPUE15 Sept 202325 Sept 20242
1804.55 Gaterigg CPUE15 Sept 202325 Sept 20242
1805.90 DS Wastwater CPUE16 Oct 202323 Sept 20242
1803.95 Hollins Farm CPUE15 Sept 202312 Sept 20242
1803.60 Craghouse Bridge CPUE15 Sept 202312 Sept 20242
1801.70 DS Stock Bridge CPUE3 Jul 202312 Sept 20242
1801.60 US Brick Bridge CPUE16 Oct 202312 Sept 20242
1802.90 Santon Bridge CPUE3 Jul 202311 Sept 20242
1801.99 Irton Hall CPUE3 Jul 202311 Sept 20242
1801.10 Holmrook CPUE3 Jul 202311 Sept 20242
1804.50 Gaterigghow. River Irt27 Sept 199425 Jul 20086
1801.00 Holmrook, River Irt27 Sept 199424 Sept 20022
1802.00 Irton Hall, River Irt28 Sept 199423 Sept 20022
1804.00 Hollins Farm, River Irt27 Sept 199427 Sept 19941
1803.00 Santon Bridge, River Irt27 Sept 199427 Sept 19941
1806.00 Downstream Wastwater, River Irt3 Aug 19943 Aug 19941
1805.00 Near Nether Wasdale, River Irt26 Jul 199426 Jul 19941

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

1994–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 774 measured fish were spread across different length ranges.

Smallest
4.5 cm
Lower quarter
6.1 cm
Median
6.9 cm
Upper quarter
8 cm
Largest
16.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Irt

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

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 →