RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Holywell Brook

Largest measured brown / sea trout: 24.9 cm

The largest brown / sea trout measured in Environment Agency surveys of the Holywell Brook was 24.9 cm, recorded at Holywell Brook confluence to Stainland Road on 27 August 2024.

Across 8 measured brown / sea trout, the median measured length was 8.2 cm.

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

See brown / sea trout records across England →

Most recent observation27 August 2024Holywell Brook confluence to Stainland Road · 8 fish
Largest measured brown / sea trout
24.9 cm
Median length
8.2 cm
Fish measured
8
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
24.9 cm27 Aug 2024Holywell Brook confluence to Stainland Road166534
17 cm27 Aug 2024Holywell Brook confluence to Stainland Road166534
10.9 cm27 Aug 2024Holywell Brook confluence to Stainland Road166534
8.3 cm27 Aug 2024Holywell Brook confluence to Stainland Road166534
8.2 cm27 Aug 2024Holywell Brook confluence to Stainland Road166534
7.9 cm27 Aug 2024Holywell Brook confluence to Stainland Road166534
6.6 cm27 Aug 2024Holywell Brook confluence to Stainland Road166534
6.4 cm27 Aug 2024Holywell Brook confluence to Stainland Road166534

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
Holywell Brook confluence to Stainland Road27 Aug 202427 Aug 20241
Rhodia (DS Culvert)15 Jun 201015 Jun 20101
Deer Park (Upper)15 Jun 201015 Jun 20101
Deer Park (Lower)15 Jun 201015 Jun 20101

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

2010–2024

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 8 measured fish were spread across different length ranges.

Smallest
6.4 cm
Lower quarter
7.6 cm
Median
8.3 cm
Upper quarter
12.4 cm
Largest
24.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

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 →