RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Nar

Largest measured brown / sea trout: 76.7 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Nar was 76.7 cm, recorded at DS Narborough Mill on 16 February 2011.

Across 8,053 measured brown / sea trout, the median measured length was 17.6 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 Nar.

See brown / sea trout records across England →

Most recent observation1 April 2026Bone Mill · 19 fish
Largest measured brown / sea trout
76.7 cm
Median length
17.6 cm
Fish measured
8,053
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
76.7 cm16 Feb 2011DS Narborough Mill125931
75.9 cm16 Feb 2011DS Narborough Mill125931
74.3 cm16 Feb 2011DS Narborough Mill125931
71.1 cm2 Apr 2012Marham Intake130949
69.4 cm16 Feb 2011DS Narborough Mill125931
67.5 cm12 Mar 2015Wormegay High Bridge144457
64.6 cm12 Mar 2015Wormegay High Bridge144457
62 cm16 Feb 2011DS Narborough Mill125931
60 cm8 Mar 2017Narford Hall Estate150294
60 cm26 Feb 2003DS Narborough Mill74860

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
Bone Mill1 Apr 20261 Apr 20261
Castle Acre10 Nov 19894 Mar 202626
West Lexham9 Nov 19893 Mar 202615
DS Narborough Mill26 Feb 20031 Apr 20257
Narford Hall Estate19 Jan 199010 Mar 202013
Bradmoor Cottages Narborough4 Oct 20137 Mar 20195
Manor Farm13 Nov 19896 Mar 201913
Wormegay High Bridge12 Mar 201521 Mar 20172
DS Abbey Farm Weir (Eel Monitoring)18 Jul 201220 Mar 20173
Abbey Farm19 Mar 200420 Mar 20173
Marham Intake15 Nov 198914 Mar 20177
DS Marham Sluice14 Mar 201714 Mar 20171
Setchey25 Mar 199317 Mar 20152
DS Narford Hall Estate3 Oct 20133 Oct 20131
Mileham (Old Channel)18 Sept 201218 Sept 20121
Warren Farm14 Nov 198929 Mar 20127
East Lexham11 Mar 200312 Mar 20124

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

1989–2026

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 8,053 measured fish were spread across different length ranges.

Smallest
6.2 cm
Lower quarter
12.1 cm
Median
17.6 cm
Upper quarter
23.3 cm
Largest
76.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Nar

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

European eel Bullhead 3-spined stickleback Pike Dace Gudgeon

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 →