Brown / sea trout · Salmo trutta

Brown / sea trout in the Hazelrigg Beck

Largest measured brown / sea trout: 21.6 cm

The largest brown / sea trout measured in Environment Agency surveys of the Hazelrigg Beck was 21.6 cm, recorded at 1145.00 Hazelrigg/Glassonby Beck NY579395 on 3 July 2019.

Across 457 measured brown / sea trout, the median measured length was 6.7 cm.

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

See brown / sea trout records across England →

Most recent observation17 June 20251145.00 Hazelrigg/Glassonby Beck NY579395 · 32 fish

Largest measured brown / sea trout: 21.6 cm
Median length: 6.7 cm
Fish measured: 457
Survey locations: 4

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
21.6 cm	3 Jul 2019	1145.00 Hazelrigg/Glassonby Beck NY579395	154846
17.4 cm	3 Jul 2019	1145.00 Hazelrigg/Glassonby Beck NY579395	154846
17.2 cm	3 Jul 2019	1145.00 Hazelrigg/Glassonby Beck NY579395	154846
16 cm	2 Jul 2019	1143.00 Hazelrigg Beck, Unthank DS bridge	154821
15.8 cm	3 Jul 2019	1145.00 Hazelrigg/Glassonby Beck NY579395	154846
13.8 cm	17 Jun 2025	1145.00 Hazelrigg/Glassonby Beck NY579395	176984
13.5 cm	17 Jun 2025	1147.01 DS Farm Bridge, Hazelrigg Beck	176934
13.5 cm	3 Jul 2019	1145.00 Hazelrigg/Glassonby Beck NY579395	154846
13.2 cm	3 Jul 2019	1145.00 Hazelrigg/Glassonby Beck NY579395	154846
13 cm	1 Jul 2019	1147.00 downstream Unthank, Hazelrigg Beck	154819

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
1147.01 DS Farm Bridge, Hazelrigg Beck	17 Jun 2025	17 Jun 2025	1
1145.00 Hazelrigg/Glassonby Beck NY579395	31 Aug 2006	17 Jun 2025	4
1143.00 Hazelrigg Beck, Unthank DS bridge	31 Aug 2006	16 Jun 2025	4
1147.00 downstream Unthank, Hazelrigg Beck	7 Aug 2002	8 Aug 2022	15

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

2002–2025

Survey records by year

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

102

103

104

105

306

107

108

109

110

111

312

113

014

015

116

017

018

319

020

021

122

023

024

325

Fish measured by surveyors

Measured length distribution

See how the 457 measured fish were spread across different length ranges.

Smallest: 4.2 cm
Lower quarter: 5.9 cm
Median: 6.7 cm
Upper quarter: 8 cm
Largest: 21.6 cm

0–99 mm

404

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Hazelrigg Beck

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

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 →