RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Ashtead Beck

Largest measured brown / sea trout: 13.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the Ashtead Beck was 13.5 cm, recorded at 678.99 US Footbridge CPUE on 8 August 2024.

Across 165 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 Ashtead Beck.

See brown / sea trout records across England →

Most recent observation8 August 2024678.99 US Footbridge CPUE · 19 fish
Largest measured brown / sea trout
13.5 cm
Median length
6.7 cm
Fish measured
165
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.

LengthSurvey dateSurvey locationSurvey ID
13.5 cm8 Aug 2024678.99 US Footbridge CPUE166172
13.1 cm11 Jul 2023679.00 Ashstead Beck #1162605
12.7 cm8 Aug 2024678.99 US Footbridge CPUE166172
12.1 cm11 Jul 2023679.00 Ashstead Beck #1162605
10.6 cm11 Jul 2023679.00 Ashstead Beck #1162605
10.5 cm11 Jul 2023678.99 US Footbridge CPUE162760
9 cm8 Aug 2024678.99 US Footbridge CPUE166172
8.8 cm8 Aug 2024678.99 US Footbridge CPUE166172
8.8 cm8 Aug 2024678.99 US Footbridge CPUE166172
8.7 cm8 Aug 2024678.99 US Footbridge CPUE166172

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
678.99 US Footbridge CPUE11 Jul 20238 Aug 20242
679.00 Ashstead Beck #114 Jul 199311 Jul 20238
Grisedale Farm6 Aug 199313 Aug 19992
Ashstead Beck #214 Jul 19933 Aug 19992

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

1993–2024

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 165 measured fish were spread across different length ranges.

Smallest
4.6 cm
Lower quarter
6.3 cm
Median
6.7 cm
Upper quarter
7.2 cm
Largest
13.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Ashtead 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 →