RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the River Main Walkham

Largest measured atlantic salmon: 61.3 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Main Walkham was 61.3 cm, recorded at Grenofen on 17 August 1998.

Across 3,152 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 Main Walkham.

See atlantic salmon records across England →

Most recent observation10 June 2026Ward Bridge · 123 fish
Largest measured atlantic salmon
61.3 cm
Median length
6.5 cm
Fish measured
3,152
Survey locations
16

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
61.3 cm17 Aug 1998Grenofen104993
61 cm17 Aug 1998Grenofen104993
15.7 cm22 Aug 2019Foxhams155706
15.7 cm8 Jul 2010Ward Bridge123670
15.5 cm31 Jul 2002d/s Bedford Bridge72554
15.4 cm12 Sept 2023Lower Bucktor163843
15.1 cm18 Aug 1998Bucktor104992
14.9 cm23 Jul 2019Grenofen155365
14.8 cm12 Sept 2023Lower Bucktor163843
14.8 cm1 Aug 2002Grenofen72556

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
Ward Bridge8 Jul 198310 Jun 202622
Foxhams5 Jul 198318 Aug 20257
Grenofen29 Jun 19835 Aug 202510
Huckworthy7 Jul 198323 Aug 20244
Downstream Foxhams10 Aug 202323 Aug 20242
Lower Grenofen10 Aug 202313 Aug 20242
Lower Bucktor12 Sept 202313 Aug 20242
d/s Bedford Bridge31 Jul 199823 Jul 20244
Downstream Ward Bridge13 Jun 202313 Jun 20242
Upstream Dittisham Natural Barrier15 Sept 201415 Sept 20141
Downstream Dittisham Natural Barrier15 Sept 201415 Sept 20141
200m Downstream Dittisham Weir15 Sept 201415 Sept 20141
100m Upstream Dittisham Weir15 Sept 201415 Sept 20141
Merrivale31 Jul 200230 Jun 20084
Bucktor1 Jul 19831 Aug 20023
Heckwood6 Jul 198330 Jul 19982

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

1983–2026

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 3,152 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
4.7 cm
Median
6.6 cm
Upper quarter
9.1 cm
Largest
61.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Walkham

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

Brown / sea trout European eel Bullhead

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 →