RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Aire

Largest measured brown / sea trout: 68.9 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Aire was 68.9 cm, recorded at Thwaite Weir on 24 June 2008.

Across 2,611 measured brown / sea trout, the median measured length was 16.8 cm.

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

See brown / sea trout records across England →

Most recent observation1 July 2026Crossflatts · 12 fish
Largest measured brown / sea trout
68.9 cm
Median length
16.8 cm
Fish measured
2,611
Survey locations
30

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
68.9 cm24 Jun 2008Thwaite Weir114566
64.2 cm24 Jun 2009Thwaite Weir117730
63 cm17 Jul 2006Thwaite Weir101563
60.7 cm30 Sept 2013Skelton Grange139674
57.8 cm24 Jun 2009Thwaite Weir117730
56 cm12 Jul 2005Thwaite Weir85133
56 cm10 Jul 2003Hirstwood, u/s Bradford Beck78517
55.3 cm18 Jul 2013Apperley Bridge140074
54.1 cm28 Jun 2010Carleton Bridge122786
53.1 cm9 Jul 2007Thwaite Weir108172

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
Crossflatts18 Aug 19981 Jul 202615
Hirstwood, u/s Bradford Beck26 May 199830 Jun 202615
Rodley20 Jul 200629 Jun 20263
Hanlith Bridge14 Aug 200229 Aug 202416
Woodhouse Road - Site 212 Sept 201912 Sept 20191
Downstream Woodhouse Road - Site 112 Sept 201912 Sept 20191
Carleton Bridge20 Aug 199824 Jul 201713
Coniston Estate - DS Gill Syke27 Oct 201527 Oct 20151
Newfield Hall Bridge13 Aug 20025 Sept 20142
Bell Busk22 Aug 20075 Sept 20143
Gargrave Stepping Stones13 Aug 200214 Aug 20143
Upstream Esholt STW2 Jul 20142 Jul 20141
Apperley Bridge18 Jul 20131 Jul 20142
Kirkstall (400m d/s weir)27 Aug 199830 Jun 201411
Silsden Bridge18 Aug 199826 Jun 201411
Skelton Grange30 Sept 201330 Sept 20131
Knostrop weir30 Sept 201330 Sept 20131
Dark Arches24 Jun 201124 Jun 20111
Thwaite Weir25 Aug 19985 Jul 201010
Swillington Bridge19 Aug 199821 Jun 20102
Cononley, below Snaygill STW27 Aug 199826 Jun 20086
Castleford31 Aug 200122 Jul 20064
Newlay lower weir19 Jul 200519 Jul 20051
Coniston Cold u/s A65 Bridge13 Aug 200213 Aug 20021
Bingley Downstream A65030 Jul 200230 Jul 20021
Kildwick Bridge25 Jul 200225 Jul 20021
Esholt STW26 Aug 199820 Jul 20022
Beal1 Sept 19981 Sept 19981
Gargrave STW20 Aug 199820 Aug 19981
Carleton Bridge Upstream20 Aug 199820 Aug 19981

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

1998–2026

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 2,611 measured fish were spread across different length ranges.

Smallest
2.3 cm
Lower quarter
10 cm
Median
16.8 cm
Upper quarter
22.7 cm
Largest
68.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Aire

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

Minnow Stone loach Chub Gudgeon Bullhead 3-spined stickleback

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 →