RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the Simon Burn

Largest measured atlantic salmon: 13.6 cm

The largest atlantic salmon measured in Environment Agency surveys of the Simon Burn was 13.6 cm, recorded at Simon Burn at Nunwick Estate on 9 September 2011.

Across 230 measured atlantic salmon, the median measured length was 6.8 cm.

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

See atlantic salmon records across England →

Most recent observation7 July 2026Simon Burn at Nunwick Estate · 36 fish
Largest measured atlantic salmon
13.6 cm
Median length
6.8 cm
Fish measured
230
Survey locations
2

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
13.6 cm9 Sept 2011Simon Burn at Nunwick Estate128478
12.8 cm18 Sept 2008Simon Burn 2115078
12.1 cm9 Sept 2011Simon Burn at Nunwick Estate128478
12.1 cm9 Sept 2011Simon Burn at Nunwick Estate128478
11.8 cm9 Sept 2011Simon Burn at Nunwick Estate128478
11.8 cm9 Sept 2011Simon Burn at Nunwick Estate128478
11.8 cm9 Sept 2011Simon Burn at Nunwick Estate128478
11.6 cm22 Aug 2014Simon Burn at Nunwick Estate142404
11.6 cm9 Sept 2011Simon Burn at Nunwick Estate128478
11.6 cm9 Sept 2011Simon Burn at Nunwick Estate128478

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
Simon Burn at Nunwick Estate3 Aug 20067 Jul 20265
Simon Burn 218 Sept 200818 Sept 20081

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

2006–2026

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 230 measured fish were spread across different length ranges.

Smallest
3.7 cm
Lower quarter
5.4 cm
Median
6.8 cm
Upper quarter
8.2 cm
Largest
13.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Simon Burn

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 →