Ballinreach Coastal Gorges

Site of Special Scientific Interest · 58.0581, -3.8034

Also within

Sutherland County

Condition (NatureScot)

Unfavourable Declining (2)
UnitFeatureConditionArea (ha)Assessed
F1 Kimmeridgian Unfavourable Declining 2023-08-25
F2 Upland birch woodland Unfavourable Declining 2009-02-17

Climate exposure

This is about exposure to a nationwide pressure this habitat type carries — not a verdict on this site's own management.

Coastal

Coastal habitats are exposed to sea-level rise and storm erosion. Where hard sea defences sit behind them, there's nowhere landward to retreat to — a squeeze that keeps compressing the habitat no matter how well it's managed.

Geology & landscape

Geological Period: Jurassic · Rock Type: Breccia, Sandstone

Landscape processes: Coastal

Description

BALLINREACH COASTAL GORGES Ballinreach Coastal Gorges Site of Special Scientic Interrest (SSSI) is on the east coast of Sutherland between Brora and Loth. This site has been notified for the birch woodland and the geological interest of the exposed Upper Jurassic sedimentary rocks. The site occupies a narrow coastal strip and includes a number of gullies where burns have cut through steep ground. The rock layers exposed at this site were deposited during the Kimmeridgian Age (156 – 147 million years ago) of the Upper Jurassic geological period. The outcrops exposed here are sedimentary rocks. They include the Allt na Cuile Sandstone, areas of breccia (a type of rock composed of angular fragments of broken rocks), siltstones and shales. The Allt na Cuile Sandstone exhibits cross-bedding and graded bedding (which show that it was formed from sediment deposited by moving water). The breccias were formed as a result of rock falls caused by earthquakes when the Helmsdale fault moved during the Jurassic Period. The fossils of marine animals in the siltstones and shales show that these rocks were formed under the sea. The woodland has developed over steep slopes and in coastal ravines. Downy birch Betula pubescens, hazel Corylus avellana, rowan Sorbus aucuparia and aspen Populus tremula are the dominant tree species. Although the undergrowth is dominated by species typical of an upland birch wood, flushes with slight nutrient enrichment also occur. The undergrowth and rocky outcrops support species associated with a coastal influence. Of particular note is the hay-scented fern Dryopteris aemula which is normally associated with a more western distribution in Sutherland.

Species mentioned

English name
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Latin name
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IUCN / Red List Type Family
hay-scented fern Dryopteris aemula LC fern dryopteridaceae
downy birch Betula pubescens LC tree betulaceae
hazel Corylus avellana LC tree corylaceae
aspen Populus tremula LC tree salicaceae
rowan Sorbus aucuparia LC tree rosaceae

Insects to look out for

These moths, butterflies and beetles are known to feed on plants recorded at this site, and carry a notable UK conservation status — but a host-plant being present doesn't mean the insect has actually been recorded here. Treat this as "worth watching for," not a confirmed sighting.

SpeciesStatusVia host-plant
Dark bordered beauty
Epione vespertaria
Endangered Populus tremula
Scarce vapourer
Orgyia recens
Endangered Betula spp., Corylus avellana
The sprawler
Asteroscopus sphinx
Vulnerable Betula spp., Corylus avellana, Populus spp.
Broom moth
Ceramica pisi
Vulnerable Betula spp.
Scarce chocolate-tip
Clostera anachoreta
Vulnerable Populus spp., Populus tremula
Mottled umber
Erannis defoliaria
Vulnerable Betula spp., Corylus avellana, Populus tremula, Sorbus aucuparia
The lackey
Malacosoma neustria
Vulnerable Corylus avellana
Pale brindled
Phigalia pilosaria
Vulnerable Betula pubescens, Corylus avellana, Populus spp.
Pale eggar
Trichiura crataegi
Vulnerable Betula spp., Corylus avellana, Populus spp.
No common name
Zeugophora turneri
Vulnerable Populus tremula
Flounced chestnut
Agrochola helvola
Near Threatened Betula spp.
Purple emperor
Apatura iris
Near Threatened Populus tremula
Garden tiger
Arctia caja
Near Threatened Sorbus aucuparia
Minor shoulder-knot
Brachylomia viminalis
Near Threatened Populus tremula
The sallow
Cirrhia icteritia
Near Threatened Populus spp.
Kentish glory
Endromis versicolora
Near Threatened Betula pubescens
Large thorn
Ennomos autumnaria
Near Threatened Betula spp., Corylus avellana, Populus spp.
September thorn
Ennomos erosaria
Near Threatened Betula spp.
Autumnal rustic
Eugnorisma glareosa
Near Threatened Betula spp.
Grey pug
Eupithecia subfuscata
Near Threatened Populus tremula
Double dart
Graphiphora augur
Near Threatened Betula spp.
White prominent
Leucodonta bicoloria
Regionally Extinct Betula spp.

Host-plant data: Cook et al. (2025), Traits data for the butterflies and macro-moths of Great Britain and Ireland, 2024, UK Centre for Ecology & Hydrology / Butterfly Conservation; and Padovani et al. (2020), Database of Insects and their Food Plants (DBIF), UK Centre for Ecology & Hydrology (both Open Government Licence). Contains data supplied by UK Centre for Ecology & Hydrology.

Plant communities

W17 — Altantic hazel wood, Atlantic oak wood, Caledonian forest, Upland birch wood, Wood pasture

Quercus petraea-Betula pubescens-Dicranum majus woodland

Matches 4 species from the description above: Betula pubescens, Corylus avellana, Dryopteris aemula, Sorbus aucuparia

Hedera helix, Salix caprea, Acer pseudoplatanus, Ilex aquifolium, Betula pendula, Betula pubescens, Corylus avellana, Fagus sylvatica, Quercus hybrid, Quercus petraea, Quercus robur, Fraxinus excelsior, Sorbus aucuparia, Calluna vulgaris, Erica cinerea, Erica tetralix, Juniperus communis, Rhododendron ponticum, Vaccinium myrtillus, Crataegus monogyna, Carex pilulifera, Luzula multiflora, Luzula pilosa, Luzula sylvatica, Andreaea rupestris, Mnium hornum, Rhizomnium punctatum, Campylopus flexuosus, Dicranella heteromalla, Dicranodontium denudatum, Dicranum fuscescens, Dicranum majus, Dicranum scoparium, Dicranum scottianum, Leucobryum glaucum, Ptychomitrium polyphyllum, Racomitrium fasciculare, Racomitrium heterostichum, Racomitrium lanuginosum, Eurhynchium striatum, Heterocladium heteropterum, Hylocomiastrum umbratum, Hylocomium armoricum, Hylocomium splendens, Hypnum callichroum, Hypnum cupressiforme, Hypnum jutlandicum, Isothecium myosuroides, Kindbergia praelonga, Loeskeobryum brevirostre, Plagiothecium denticulatum, Plagiothecium undulatum, Pleurozium schreberi, Pseudoscleropodium purum, Pseudotaxiphyllum elegans, Ptilium crista-castrensis, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Sematophyllum demissum, Sematophyllum micans, Thuidium delicatulum, Thuidium tamariscinum, Polytrichum commune, Polytrichum formosum, Sphagnum capillifolium, Sphagnum fimbriatum, Sphagnum palustre, Sphagnum russowii, Sphagnum subnitens, Tetraphis pellucida, Adelanthus decipiens, Anastrepta orcadensis, Barbilophozia attenuata, Barbilophozia floerkei, Bazzania tricrenata, Bazzania trilobata, Blepharostoma trichophyllum, Calypogeia fissa, Calypogeia muelleriana, Cephalozia bicuspidata, Diplophyllum albicans, Frullania tamarisci, Fuscocephaloziopsis lunulifolia, Harpanthus scutatus, Jamesoniella autumnalis, Jungermannia gracillima, Lepidozia pearsonii, Lepidozia reptans, Lophocolea bidentata, Lophocolea heterophylla, Lophozia ventricosa, Marsupella emarginata, Microlejeunea ulicina, Mylia taylorii, Nowellia curvifolia, Plagiochila asplenioides, Plagiochila atlantica, Plagiochila killarniensis, Plagiochila porelloides, Plagiochila punctata, Plagiochila spinulosa, Ptilidium ciliare, Saccogyna viticulosa, Scapania gracilis, Scapania nemorea, Scapania umbrosa, Tritomaria exsectiformis, Tritomaria quinquedentata, Cladonia arbuscula, Cladonia chlorophaea, Cladonia digitata, Cladonia furcata, Cladonia impexa, Cladonia polydactyla, Cladonia squamosa, Cladonia squamules, Cladonia subcervicornis, Parmelia saxatilis, Sphaerophorus fragilis, Sphaerophorus globosus, Solidago virgaurea, Lonicera periclymenum, Succisa pratensis, Cornus suecica, Hypericum pulchrum, Teucrium scorodonia, Hyacinthoides non-scripta, Goodyera repens, Oxalis acetosella, Digitalis purpurea, Rumex acetosa, Lysimachia nemorum, Trientalis europaea, Anemone nemorosa, Potentilla erecta, Rubus fruticosus agg., Rubus idaeus, Galium saxatile, Melanpyrum pratense, Viola riviniana, Agrostis capillaris, Agrostis stolonifera, Agrostis vinealis, Anthoxanthum odoratum, Dactylis glomerata, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Holcus lanatus, Holcus mollis, Molinia caerulea, Poa nemoralis, Poa pratensis, Blechnum spicant, Pteridium aquilinum, Dryopteris aemula, Dryopteris borreri, Dryopteris dilatata, Dryopteris filix-mas, Hymenophyllum tunbrigense, Hymenophyllum wilsonii, Polypodium vulgare, Thelypteris limbosperma, Athyrium filix-femina

W11 — Altantic hazel wood, Atlantic oak wood, Caledonian forest, Upland birch wood, Wood pasture

Quercus petraea-Betula pubescens-Oxalis acetosella woodland

Matches 3 species from the description above: Betula pubescens, Corylus avellana, Sorbus aucuparia

Acer campestre, Ilex aquifolium, Betula pendula, Betula pubescens, Corylus avellana, Fagus sylvatica, Quercus hybrid, Quercus petraea, Quercus robur, Fraxinus excelsior, Larix decidua, Sorbus aucuparia, Calluna vulgaris, Erica cinerea, Juniperus communis, Vaccinium myrtillus, Cytisus scoparius, Crataegus monogyna, Rubus saxatilis, Carex pilulifera, Luzula campestris, Luzula multiflora, Luzula pilosa, Luzula sylvatica, Mnium hornum, Plagiomnium affine, Plagiomnium undulatum, Dicranum majus, Dicranum scoparium, Cirriphyllum piliferum, Eurhynchium striatum, Hylocomium splendens, Hypnum cupressiforme, Isothecium myosuroides, Kindbergia praelonga, Loeskeobryum brevirostre, Plagiothecium denticulatum, Plagiothecium undulatum, Pleurozium schreberi, Pseudoscleropodium purum, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Thuidium tamariscinum, Atrichum undulatum, Polytrichum commune, Polytrichum formosum, Polytrichum longisetum, Sphagnum capillifolium, Diplophyllum albicans, Lophocolea bidentata, Plagiochila asplenioides, Plagiochila spinulosa, Angelica sylvestris, Conopodium majus, Campanula rotundifolia, Lonicera periclymenum, Succisa pratensis, Cerastium fontanum, Stellaria holostea, Pyrola minor, Vaccinium vitis-idaea, Lathyrus montanus, Geranium robertianum, Hypericum pulchrum, Ajuga reptans, Teucrium scorodonia, Convallaria majalis, Hyacinthoides non-scripta, Oxalis acetosella, Digitalis purpurea, Veronica chamaedrys, Veronica officinalis, Rumex acetosa, Lysimachia nemorum, Primula vulgaris, Trientalis europaea, Anemone nemorosa, Ranunculus acris, Ranunculus repens, Potentilla erecta, Rubus fruticosus agg., Rubus idaeus, Galium aparine, Galium saxatile, Melanpyrum pratense, Viola riviniana, Agrostis capillaris, Agrostis vinealis, Anthoxanthum odoratum, Brachypodium sylvaticum, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Holcus lanatus, Holcus mollis, Poa pratensis, Poa trivialis, Blechnum spicant, Pteridium aquilinum, Dryopteris borreri, Dryopteris dilatata, Dryopteris filix-mas, Thelypteris limbosperma, Athyrium filix-femina

W4 — Raised bog, Upland birch wood, Wet woodland

Betula pubescens-Molinia caerulea woodland

Matches 3 species from the description above: Betula pubescens, Corylus avellana, Sorbus aucuparia

Hedera helix, Salix aurita, Salix caprea, Salix cinerea, Salix pentandra, Ilex aquifolium, Betula pendula, Betula pubescens, Corylus avellana, Quercus hybrid, Quercus petraea, Quercus robur, Fraxinus excelsior, Pinus sylvestris, Sorbus aucuparia, Alnus glutinosa, Calluna vulgaris, Erica tetralix, Myrica gale, Vaccinium myrtillus, Vaccinium oxycoccos, Crataegus monogyna, Carex laevigata, Carex nigra, Carex rostrata, Eriophorum angustifolium, Eriophorum vaginatum, Juncus acutiflorus, Juncus effusus, Aulacomnium palustre, Mnium hornum, Orthodontium lineare, Pohlia nutans, Campylopus flexuosus, Dicranella heteromalla, Dicranum scoparium, Leucobryum glaucum, Brachythecium rutabulum, Calliergonell cuspidatum, Drepanocladus fluitans, Hypnum cupressiforme, Hypnum jutlandicum, Kindbergia praelonga, Plagiothecium denticulatum, Pleurozium schreberi, Pseudoscleropodium purum, Pseudotaxiphyllum elegans, Rhytidiadelphus squarrosus, Straminergon stramineum, Polytrichum commune, Polytrichum formosum, Sphagnum capillifolium, Sphagnum cuspidatum, Sphagnum fallax, Sphagnum fimbriatum, Sphagnum palustre, Sphagnum papillosum, Sphagnum squarrosum, Sphagnum subnitens, Calypogeia fissa, Chiloscyphus polyanthos, Lophocolea bidentata, Lophocolea heterophylla, Angelica sylvestris, Hydrocotyle vulgaris, Cirsium palustre, Lonicera periclymenum, Succisa pratensis, Valeriana officinalis, Equisetum fluviatile, Equisetum palustre, Lotus pedunculatus, Menyanthes trifoliata, Chamerion angustifolium, Epilobium palustre, Oxalis acetosella, Rumex acetosa, Comarum palustre, Filipendula ulmaria, Potentilla erecta, Rubus fruticosus agg., Galium palustre, Galium saxatile, Galium uliginosum, Viola palustris, Agrostis canina, Agrostis capillaris, Agrostis stolonifera, Anthoxanthum odoratum, Deschampsia cespitosa, Deschampsia flexuosa, Holcus lanatus, Holcus mollis, Molinia caerulea, Poa trivialis, Blechnum spicant, Pteridium aquilinum, Dryopteris carthusiana, Dryopteris cristata, Dryopteris dilatata, Athyrium filix-femina