RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Glenderamackin

Largest measured brown / sea trout: 12.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Glenderamackin was 12.5 cm, recorded at 1547.10 Mungrisedale, Glenderamackin on 28 June 2023.

Across 96 measured brown / sea trout, the median measured length was 6.8 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 Glenderamackin.

See brown / sea trout records across England →

Most recent observation14 July 20251547.20 US of Trout Beck, River Glenderamackin · 31 fish
Largest measured brown / sea trout
12.5 cm
Median length
6.8 cm
Fish measured
96
Survey locations
10

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
12.5 cm28 Jun 20231547.10 Mungrisedale, Glenderamackin162633
12.3 cm28 Jun 20231547.10 Mungrisedale, Glenderamackin162633
12 cm28 Jun 20231547.10 Mungrisedale, Glenderamackin162633
11.6 cm28 Jun 20231547.20 US of Trout Beck, River Glenderamackin162547
8.9 cm9 Aug 20241547.20 US of Trout Beck, River Glenderamackin167112
8.4 cm9 Aug 20241547.20 US of Trout Beck, River Glenderamackin167112
8.3 cm14 Jul 20251547.20 US of Trout Beck, River Glenderamackin177393
8.3 cm9 Aug 20241547.20 US of Trout Beck, River Glenderamackin167112
8.2 cm9 Aug 20241547.20 US of Trout Beck, River Glenderamackin167112
8.1 cm9 Aug 20241547.20 US of Trout Beck, River Glenderamackin167112

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
1547.20 US of Trout Beck, River Glenderamackin12 Sept 199514 Jul 202521
1547.10 Mungrisedale, Glenderamackin8 Sept 199928 Jun 20235
1547.079 100m US Mungrisedale Weir, Glenderamackin10 Aug 20124 Sept 20132
1547.07 US Bullfell Beck, River Glenderamackin23 Sept 20054 Sept 20133
1547.06 US Conf Bannerdale Beck, Glenderamackin23 Sept 20054 Sept 20133
1547.30 Guardhouse, Glenderamackin6 Sept 199920 Aug 20133
1547.17 US Southerfell bridge, R. Glenderamackin9 Sept 20109 Sept 20101
1547.40 Townfield Bridge, Glenderamackin6 Sept 19991 Sept 20102
1547.09 Near Mill Inn, Glenderamackin4 Oct 20054 Oct 20051
1547.08 20m US weir4 Oct 20054 Oct 20051

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

1995–2025

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 96 measured fish were spread across different length ranges.

Smallest
4.8 cm
Lower quarter
6.3 cm
Median
6.8 cm
Upper quarter
7.2 cm
Largest
12.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Glenderamackin

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

Atlantic salmon European eel

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 →