Grantham Canal (Harby to Redmile)


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Wildlife Highlights

The SSSI was established in the early 1980’s and periodic dredging and maintenance work is undertaken to try and preserve its' original character. The SSSI was described as one of the best areas of open water and associated marginal habitats in VC55, and representative of the slow river vegetation communities found in central and eastern England.

Today, the Canal comprises sections of dense reedbeds (Phragmites) whilst Bulrush Yellow Iris and Branched Bur-reed are also widespread. Arrowhead, Lesser Water Parsnip, Rigid Hornwort, Water Horsetail and Flowering Rush occur in the  open-water stretches. The Canal banks are commonly covered in Meadowsweet and Willowherb and where grazed, rushes. In summer, between Harby and Stathern Bridge, large patches of the up to 2m tall Great Horsetail dominate the towpath bank with their striped stems and feathery foliage. The section immediately west of Redmile, outside the SSSI, is now choked with Water Soldiers. The hedges along the towpath are predominantly Hawthorn and Blackthorn. Whilst the main trees flanking the canal and towpath include Ash, Sycamore, Alder, Pendunculate (English) Oak, Willows and Elder.

Some sections are well stocked with fish, Pike are the most common with Tench and Rudd also recorded. Great Pond Snails occur throughout and Great Ramshorn Snail is seen best at Stathern Bridge.

In addition to the resident breeding waterbirds (Mute Swan, Mallard, Moorhen and Coot), in summer there are good populations of warblers, the commonest include Reed, Sedge and Willow Warbler, Blackcap, Whitethroat and Chiffchaff. Swallows, House Martins and Swifts are regularly seen along the Canal in the summer months. Kestrels, Buzzards, Red Kites and Ravens are often seen, whilst Hobby is also present in the summer months. Kingfisher and Grey Heron also visit the Canal but are easily flushed when disturbed. In winter months our resident thrushes are augmented by large, highly mobile flocks of Fieldfare and Redwing and the adjacent ploughed fields often hold flocks of Lesser Black-backed Gull and Black-headed Gull.

The common species of butterflies in the East Midlands are all well represented along the Canal with flight periods usually ranging between March and October. Between April to November 19 species of dragonfly and damselfly have been recorded including the Hairy Dragonfly and Variable Damselfly, both are close to the limit of their range that lies mainly in SE England. Sightings of Emerald Damselfly and Banded Demoiselle are now rare.

Click on the Species List tab at the top of the page to see a complete listing of the species recorded in NatureSpot. 

Other Wild Places

Total species seen at this site: 355


This central part of the Grantham Canal stretches for 5 miles from Harby eastwards through Plungar and Barkestone-le-Vale to Redmile. A Site of Special Scientific Interest covers most of this section stretching from Rectory Bridge, Harby (bridge no.44) to Redmile Mill Bridge (no.53). The Canal opened in 1797 and was closed to boat traffic in 1929. After several decades of public ownership the management of the Canal passed from British Waterways to the newly formed Canal and River Trust in 2012.  

Latest Images

Latest Records

Common Name Latin Name Date Recorded Recorded By
RobinErithacus rubecula02/01/2017Steve Mathers
BullfinchPyrrhula pyrrhula02/01/2017Steve Mathers
FieldfareTurdus pilaris02/01/2017Steve Mathers
MoorhenGallinula chloropus02/01/2017Steve Mathers
KestrelFalco tinnunculus02/01/2017Steve Mathers
BlackbirdTurdus merula02/01/2017Steve Mathers
Wood PigeonColumba palumbus02/01/2017Steve Mathers
Blue TitCyanistes caeruleus02/01/2017Steve Mathers
RedwingTurdus iliacus02/01/2017Steve Mathers
WrenTroglodytes troglodytes02/01/2017Steve Mathers
Great TitParus major02/01/2017Steve Mathers
JackdawCorvus monedula02/01/2017Steve Mathers
DunnockPrunella modularis02/01/2017Steve Mathers
StarlingSturnus vulgaris02/01/2017Steve Mathers
Reed BuntingEmberiza schoeniclus02/01/2017Steve Mathers

Getting There

This section of the Canal is best reached by A46 or A606 and then be accessed from the minor roads in the area around Harby and Redmile. The towpath runs along the northern bank of the Canal and is a grass track. There is a bespoke car park at Stathern Bridge [SK755324] or alternatively park in the villages of Harby, Plungar, Barkestone-le-Vale (on Jericho Lane) or Redmile.

Managed By

Canal and River Trust (since 2012)

Species List

Group Common Name Latin Name Last Seen
Slugs & SnailsSmooth Glass SnailAegopinella nitidula24/09/1988
Slugs & SnailsHedgehog SlugArion intermedius24/09/1988
Slugs & SnailsSlippery SnailCochlicopa lubrica24/09/1988
Slugs & SnailsDiscus SnailDiscus rotundatus24/09/1988
Slugs & SnailsEuconulus alderi24/09/1988
Slugs & SnailsLehmannia marginata24/09/1988
Slugs & SnailsGarlic SnailOxychilus alliarius24/09/1988
Slugs & SnailsCellar SnailOxychilus cellarius24/09/1988
Slugs & SnailsTrochulus sericeus24/09/1988
Slugs & SnailsStrawberry SnailTrochulus striolatus24/09/1988
BirdsTurtle DoveStreptopelia turtur25/05/2003
Dragonflies and DamselfliesVariable DamselflyCoenagrion pulchellum06/06/2006
Trees, Shrubs & ClimbersDog-roseRosa canina20/09/2008
ButterfliesOrange TipAnthocharis cardamines03/06/2010
ButterfliesBrimstoneGonepteryx rhamni03/06/2010
Dragonflies and DamselfliesHairy DragonflyBrachytron pratense03/06/2010
Dragonflies and DamselfliesAzure DamselflyCoenagrion puella03/06/2010
Dragonflies and DamselfliesRed-eyed DamselflyErythromma najas03/06/2010
Dragonflies and DamselfliesBroad-bodied ChaserLibellula depressa03/06/2010
Dragonflies and DamselfliesLarge Red DamselflyPyrrhosoma nymphula03/06/2010
WildflowersYellow IrisIris pseudacorus03/06/2010
Dragonflies and DamselfliesBanded DemoiselleCalopteryx splendens02/08/2010
Dragonflies and DamselfliesSouthern HawkerAeshna cyanea24/08/2010
BirdsWaxwingBombycilla garrulus23/12/2010
Algae, Bacteria, VirusMossy Willow Catkin GallCauser unknown (Mossy Willow Gall)01/08/2011
Dragonflies and DamselfliesEmerald DamselflyLestes sponsa03/08/2011
ButterfliesBrown ArgusAricia agestis07/08/2011
Grasses, Rushes & SedgesCommon ReedPhragmites australis27/08/2011
Trees, Shrubs & ClimbersCrack-willowSalix fragilis27/09/2011

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