RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Frome

Largest measured brown / sea trout: 49 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Frome was 49 cm, recorded at Millend on 12 September 2017.

Across 4,065 measured brown / sea trout, the median measured length was 16.2 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 Frome.

See brown / sea trout records across England →

Most recent observation3 September 2025Hope Mill Park · 118 fish
Largest measured brown / sea trout
49 cm
Median length
16.2 cm
Fish measured
4,065
Survey locations
25

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
49 cm12 Sept 2017Millend151606
46 cm29 Sept 2005Upstream Ebley Mill86483
45.4 cm30 Sept 2008Upstream Ebley Mill115014
45 cm12 Sept 2017Millend151606
44.5 cm12 Sept 2017Millend151606
44.1 cm17 Sept 2002Upstream Whitminster Weir61383
43.6 cm7 Sept 2005Eastington, Church End86017
43 cm17 Mar 1992Cainscross55791
40.7 cm17 Sept 2002Rehabilitation site63701
40.2 cm20 May 1997Eastington, Church End55870

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
Hope Mill Park2 Sept 20083 Sept 20259
Ryeford4 Sept 19852 Sept 202523
d/s Sharpness Canal16 Aug 200216 Aug 20248
Churchend, North Arm1 Sept 201018 Aug 20234
Chalford3 Sept 198517 Aug 202311
Bullbanks10 Sept 201016 Aug 20234
Millend7 Sept 201112 Sept 20172
Edgeworth Mill8 Sept 20115 Sept 20173
Upstream Ebley Mill3 Sept 198530 Sept 20089
Snow Business11 Sept 200711 Sept 20071
Capel Mill20 Oct 200620 Oct 20061
Downstream Brimscombe Hill Road Bridge19 Oct 200619 Oct 20061
Brimscombe Port Industrial Estate19 Oct 200619 Oct 20061
Eastington, Church End4 Sept 198531 Aug 20067
D/s Eastington Trading Estate30 Aug 200630 Aug 20061
Eastington, d/s bridge5 Sept 198529 Sept 20056
Upstream Whitminster Weir27 Sept 200117 Sept 20022
Rehabilitation site10 Oct 199417 Sept 20023
Thrupp19 Jun 197824 Jul 20026
Upstream Stanley Downton, Eastington4 Sept 198520 May 19973
Eastington, u/s MMB4 Sept 198520 May 19973
Miserden16 Mar 199219 May 19972
Cainscross3 Sept 198519 May 19973
Eastington, d/s Stanley Downton11 Oct 199430 Oct 19963
Eastington4 Sept 19855 Nov 19914

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

1978–2025

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 4,065 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
9.7 cm
Median
16.2 cm
Upper quarter
21.2 cm
Largest
49 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Frome

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

Bullhead European eel 3-spined stickleback Roach Pike Common bream

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 →