RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Main Walkham

Largest measured brown / sea trout: 57.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Main Walkham was 57.5 cm, recorded at Ward Bridge on 2 July 2014.

Across 2,693 measured brown / sea trout, the median measured length was 8.8 cm.

Surveyors recorded one individual weight: 1 lb 13.6 oz (0.84 kg).

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 brown / sea trout records across England →

Most recent observation10 June 2026Ward Bridge · 34 fish
Largest measured brown / sea trout
57.5 cm
Median length
8.8 cm
Fish measured
2,693
Survey locations
17

Individual EA measurements

Largest measured brown / sea trout

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
57.5 cm2 Jul 2014Ward Bridge141599
52 cm10 Jul 2013Grenofen137093
50.7 cm1 Aug 2002Grenofen72556
50 cm20 Jul 1998Merrivale104991
49.7 cm18 Aug 1998Bucktor104992
49 cm5 Jul 2004Grenofen81350
48.5 cm29 Jul 2002Ward Bridge72536
46.7 cm29 Jul 1998Ward Bridge105067
46 cm10 Jul 2013Grenofen137093
46 cm20 Jul 1998Merrivale104991

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

Explore the river

Where brown / sea trout were found

Each point marks a survey location with at least one brown / sea trout 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 brown / sea trout
Ward Bridge8 Jul 198310 Jun 202622
Foxhams5 Jul 198318 Aug 20257
Grenofen29 Jun 19835 Aug 202510
Merrivale24 Jun 198322 Jul 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
u/s Greenaballs9 Aug 198318 Oct 20093
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 brown / sea trout that year.

Fish measured by surveyors

Measured length distribution

See how the 2,693 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
5.8 cm
Median
8.8 cm
Upper quarter
12.7 cm
Largest
57.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight
1 lb 13.6 oz (0.84 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Main Walkham

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

Atlantic salmon 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 →