RiverFish

Grayling · Thymallus thymallus

Grayling in the River Ure

Largest measured grayling: 42.2 cm

The largest grayling measured in Environment Agency surveys of the River Ure was 42.2 cm, recorded at Kilgram Upper Site on 26 July 2004.

Across 1,679 measured grayling, the median measured length was 17.8 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 Ure.

See grayling records across England →

Most recent observation16 July 2025Boroughbridge · 8 fish
Largest measured grayling
42.2 cm
Median length
17.8 cm
Fish measured
1,679
Survey locations
19

Individual EA measurements

Largest measured grayling

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
42.2 cm26 Jul 2004Kilgram Upper Site80964
39.4 cm28 Jul 2000Middleham109181
39.2 cm24 Jul 1997Clifton Castle109763
39.1 cm24 Jul 1997Clifton Castle109763
38.8 cm2 Aug 1999Clifton Castle109440
38.2 cm14 Jul 2011Middleham127034
38.1 cm13 Aug 1998Mickley Old Weir (u/s site)109674
37.9 cm30 Jul 2002Middleham62942
37.9 cm6 Aug 1998Clifton Castle109562
37.6 cm6 Aug 1996Mickley Old Weir (u/s site)109715

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where grayling were found

Each point marks a survey location with at least one grayling 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 grayling
Boroughbridge9 Jul 200216 Jul 202511
Middleham8 Aug 199615 Jul 202522
Westwick8 Jul 200210 Jul 202518
Bellflask - Fry Survey17 Aug 20169 Aug 20182
Hewick Bridge (single anode)3 Aug 199815 Jul 201613
Wensley Bridge4 Jul 200228 Jul 20107
Jervaulx Abbey (upper site)25 Jul 199728 Jul 20108
Jervaulx (lower site)25 Jul 199728 Jul 201013
Appersett Bridge18 Oct 20011 Sept 20084
Kilgram Upper Site2 Aug 200020 Jul 20067
Kilgram Lower Site9 Aug 199920 Jul 20068
Ripon Golf Club8 Jul 200213 Jul 20054
Pry Hill6 Sept 20046 Sept 20041
Clifton Castle7 Aug 199621 Jul 20037
Ripon, d/s North Bridge1 Aug 200018 Jul 20034
Mickley Old Weir (u/s site)6 Aug 199618 Jul 20037
Mickley New Weir (d/s site)6 Aug 199618 Jul 20037
Hewick Bridge (Boom boat)26 Jul 200023 Jul 20023
Nappa Mill, Worton9 Aug 19969 Aug 19961

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

1996–2025

Survey records by year

Each bar shows how many survey visits recorded grayling that year.

Fish measured by surveyors

Measured length distribution

See how the 1,679 measured fish were spread across different length ranges.

Smallest
4.6 cm
Lower quarter
8.7 cm
Median
17.8 cm
Upper quarter
23.9 cm
Largest
42.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ure

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

Minnow European eel Brown / sea trout Chub Bullhead 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 →