Brown / sea trout · Salmo trutta

Brown / sea trout in the River Granta

Largest measured brown / sea trout: 51.8 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Granta was 51.8 cm, recorded at Barham Hall Linton on 27 October 1993.

Across 1,607 measured brown / sea trout, the median measured length was 17.3 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 Granta.

See brown / sea trout records across England →

Most recent observation10 June 2025Great Shelford · 7 fish
Largest measured brown / sea trout
51.8 cm
Median length
17.3 cm
Fish measured
1,607
Survey locations
11

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
51.8 cm27 Oct 1993Barham Hall Linton29405
45.8 cm29 Oct 1993Babraham (I.A.P)29407
44.8 cm29 Oct 1993Babraham (I.A.P)29407
42.8 cm16 May 2022Babraham160961
42.8 cm27 Oct 1993Barham Hall Linton29405
41.3 cm24 Jan 1997Hildersham29409
40.8 cm29 Oct 1993Babraham (I.A.P)29407
40.3 cm27 Oct 1993Barham Hall Linton29405
39.8 cm16 May 2001DS Hildersham30860
39 cm4 May 2016Great Shelford147985

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
Great Shelford24 Feb 199710 Jun 20259
Babraham29 Oct 199321 May 20259
Babraham (I.A.P)16 Apr 199120 May 202511
Hildersham15 Apr 199114 May 202511
Barham Hall Linton12 Apr 199111 May 20227
Linton Gauging Station23 May 201323 May 20131
Church End Ashdon10 Feb 200521 Mar 20135
Granta Park7 Oct 20117 Oct 20111
War Memorial Ashdon8 Mar 20108 Mar 20101
Ashdon25 Mar 20088 Mar 20102
DS Hildersham16 May 200114 May 20032

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

1991–2025

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 1,607 measured fish were spread across different length ranges.

Smallest
4.3 cm
Lower quarter
13.3 cm
Median
17.3 cm
Upper quarter
23.5 cm
Largest
51.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Granta

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

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 →