Brown / sea trout · Salmo trutta

Brown / sea trout in the Grizedale Brook

Largest measured brown / sea trout: 20 cm

The largest brown / sea trout measured in Environment Agency surveys of the Grizedale Brook was 20 cm, recorded at Upstream Pedders Wood on 27 April 1994.

Across 215 measured brown / sea trout, the median measured length was 9.4 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Grizedale Brook.

See brown / sea trout records across England →

Most recent observation21 June 2023250m Upstream Road Bridge · 12 fish

Largest measured brown / sea trout: 20 cm
Median length: 9.4 cm
Fish measured: 215
Survey locations: 6

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.

Length	Survey date	Survey location	Survey ID
20 cm	27 Apr 1994	Upstream Pedders Wood	113916
19.5 cm	13 Sept 1995	Downstream Hazelhead Lane Bridge	114540
19 cm	21 Jun 2023	250m Upstream Road Bridge	162438
18.5 cm	21 Jun 2023	250m Upstream Road Bridge	162438
18.5 cm	27 Apr 1994	Upstream Pedders Wood	113916
18.1 cm	6 Jun 2013	250m Upstream Road Bridge	136517
18 cm	27 Apr 1994	Downstream Reservoir	113914
17.6 cm	21 Jun 2023	250m Upstream Road Bridge	162438
17 cm	6 Jun 2013	250m Upstream Road Bridge	136517
17 cm	27 Apr 1994	Hazelhead Lane Road Bridge	113923

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 surveyed	First recorded	Last recorded	Visits finding brown / sea trout
250m Upstream Road Bridge	27 Apr 1994	21 Jun 2023	4
Road Bridge	27 Apr 1994	24 Aug 1999	2
Hazelhead Lane Road Bridge	7 Jul 1992	19 Sept 1995	3
Downstream Hazelhead Lane Bridge	13 Sept 1995	13 Sept 1995	1
Upstream Pedders Wood	27 Apr 1994	27 Apr 1994	1
Downstream Reservoir	27 Apr 1994	27 Apr 1994	1

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

1992–2023

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

192

093

594

395

096

097

098

199

000

001

002

003

004

005

006

007

008

009

010

011

012

113

014

015

016

017

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 215 measured fish were spread across different length ranges.

Smallest: 3.3 cm
Lower quarter: 7.5 cm
Median: 9.4 cm
Upper quarter: 12 cm
Largest: 20 cm

0–99 mm

119

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Grizedale Brook

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

European eel Atlantic salmon

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 →