RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Lune

Largest measured brown / sea trout: 86.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Lune was 86.5 cm, recorded at Forge Weir Index River Fish Trap on 11 June 1997.

Across 9,825 measured brown / sea trout, the median measured length was 40.5 cm.

Surveyors recorded weights for 6,464 brown / sea trout. The median was 2 lb 12.8 oz (1.27 kg) and the largest recorded weight was 21 lb 10 oz (9.81 kg).

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

See brown / sea trout records across England →

Most recent observation16 October 2025Rayne Bridge, River Lune · 27 fish
Largest measured brown / sea trout
86.5 cm
Median length
40.5 cm
Fish measured
9,825
Survey locations
45

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
86.5 cm11 Jun 1997Forge Weir Index River Fish Trap131780
85 cm1 May 2008Forge Weir Index River Fish Trap132039
85 cm22 Jun 2005Forge Weir Index River Fish Trap131976
85 cm24 Jun 2004Forge Weir Index River Fish Trap131925
84.9 cm31 Aug 2005Forge Weir Index River Fish Trap131990
84 cm24 May 2005Forge Weir Index River Fish Trap131968
82 cm18 Jun 1998Forge Weir Index River Fish Trap131803
81 cm24 Jun 2004Forge Weir Index River Fish Trap131925
81 cm20 Jun 2003Forge Weir Index River Fish Trap131891
80 cm2 May 2013Forge Weir Index River Fish Trap140467

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
Rayne Bridge, River Lune22 Jun 198116 Oct 202520
Low Borrowbridge23 Jun 198129 Jul 20249
High Carlingill Wood6 Sept 202329 Jul 20242
Upstream Old Tebay Bridge23 Jun 198125 Jul 20249
Roundthwaite at M6 Bridge20 Jul 198225 Jul 20246
Downstream Birk Beck, River Lune6 Aug 199725 Jul 20246
Wath22 Jun 198118 Jun 202428
Forge Weir Index River Fish Trap17 May 199620 Jun 2021472
Fleetholme, River Lune24 Jun 198127 Aug 20148
Scots Wife Greet25 Sept 200925 Jul 20142
Newbiggin20 Aug 19918 Aug 20135
Beckfoot, River Lune15 Aug 199116 Jul 20134
Upstream Aquaduct at High House Wood15 Jul 201315 Jul 20131
Underley Downstream Bridge25 Jun 198115 Jul 20134
Aughton Beck Site 1 (200m d/s Road Bridge)6 Oct 20052 Jul 20133
Crook Haaf Nets2 Jun 201024 Jun 20108
Above Broadraine Counter23 Aug 200225 Sept 20093
Springs Ghyll-above falls (stocking)19 Sept 200525 Sept 20062
Haverah Beck (Habitat Improvement Site)25 Sept 200625 Sept 20061
Aikrigg Beck (stocking)19 Sept 200525 Sept 20062
Aughton Beck Site 2 (immed u/s Road Bridge)6 Oct 20056 Oct 20051
Downstream A685 at Newbiggin15 Jul 199727 Sept 20022
Potlands20 Aug 199117 Sept 20023
Downstream Potlands16 Jul 199717 Sept 20022
Upstream Colls Ford at Tebay16 Aug 199128 Aug 20023
Kelleth Bridge22 Jun 198127 Aug 20028
Downstream Salterwath Bridge20 Jul 198227 Aug 20025
Bankers Pool19 Aug 199127 Aug 20023
Thwaite Upstream Conf Chapel Beck Howgill21 Jul 198222 Aug 20027
Whittington Estate13 Jul 198321 Aug 20023
Loyn Bridge17 Aug 200217 Aug 20021
Holme House17 Jul 200217 Jul 20021
Lincolns Inn Bridge at Bridge End24 Jun 198123 Sept 19977
M6 Bridge Old Tebay17 Jun 19856 Aug 19974
M6 Bridge Downstream Birk Beck29 Jun 198419 Aug 19912
Kirkby Lonsdale Island14 Jul 198323 Jul 19915
Fairmile24 Jun 198116 Jul 19855
Caton u/s Iron Bridge20 Jun 198520 Jun 19851
Rigmaden14 Jul 198319 Jun 19853
Newton13 Jul 198319 Jun 19853
Middleton Hall25 Jun 198119 Jun 19853
Near Stangerthwaite21 Jul 198228 Jun 19843
Gressingham26 Jul 198226 Jun 19842
Caton Near Picnic Site29 Jun 198126 Jun 19844
Downstream Hall Beck14 Jul 198314 Jul 19831

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

1981–2025

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 9,825 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
13.3 cm
Median
40.5 cm
Upper quarter
50 cm
Largest
86.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 6,464 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest
2.8 oz (0.08 kg)
Lower quarter
1 lb 14 oz (0.85 kg)
Median
2 lb 12.8 oz (1.27 kg)
Upper quarter
4 lb 4.5 oz (1.94 kg)
Heaviest
21 lb 10 oz (9.81 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Lune

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

Atlantic salmon Bullhead Minnow European eel Stone loach

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 →