RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the Main River Waldon

Largest measured atlantic salmon: 17.2 cm

The largest atlantic salmon measured in Environment Agency surveys of the Main River Waldon was 17.2 cm, recorded at Thornbury Bridge (Sp) on 10 July 2017.

Across 60 measured atlantic salmon, the median measured length was 7.5 cm.

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

See atlantic salmon records across England →

Most recent observation24 July 2024Sutcombe Mill (Te) · 3 fish
Largest measured atlantic salmon
17.2 cm
Median length
7.5 cm
Fish measured
60
Survey locations
6

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
17.2 cm10 Jul 2017Thornbury Bridge (Sp)150828
16 cm29 Aug 2007Sutcombe Mill (Te)107840
14.4 cm14 Jul 2011Thornbury Bridge (Sp)126947
14.2 cm8 Sept 2011Sutcombe Mill (Te)127787
14 cm1 Jul 2010Sutcombe Mill (Te)122564
13.9 cm29 Aug 2007Sutcombe Mill (Te)107840
13.4 cm8 Sept 2011Sutcombe Mill (Te)127787
13.2 cm11 Aug 2009Sutcombe Mill (Te)118329
13.1 cm28 Jul 2011Instaple (Sp)127243
13 cm14 Jul 2011Thornbury Bridge (Sp)126947

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
Sutcombe Mill (Te)12 Aug 199724 Jul 202416
Instaple (Sp)11 Aug 19971 Aug 20175
Thornbury Bridge (Sp)18 Aug 199710 Jul 20175
Honnacott (Sp)11 Aug 199713 Aug 20033
Upstream Waldon Bridge (Sp)*12 Aug 19971 Oct 20023
Henscott Bridge (Sp)*21 Aug 199727 Aug 19982

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

1997–2024

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 60 measured fish were spread across different length ranges.

Smallest
5.6 cm
Lower quarter
6.7 cm
Median
7.5 cm
Upper quarter
8.8 cm
Largest
17.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Waldon

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

Brown / sea trout Bullhead Minnow Stone loach European eel Gudgeon

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 →