Trough of Bowland

Trough of Bowland
Name	Trough of Bowland
Location	Forest of Bowland, Lancashire, England
Coordinates	53.984°N 2.587°W
Type	valley
Elevation	120–400 m
Length	~8 km

Trough of Bowland

The Trough of Bowland is a steep-sided valley and pass in the Forest of Bowland in Lancashire, England, forming a dramatic transitional landscape between the Bowland Fells and lowland Lancashire Plain. The feature is notable for its upland bowland character, historical reservoirs, and a ribbon of minor road and path networks that link settlements such as Dunsop Bridge, Slaidburn, and Clitheroe. It has long been a focus for walkers, naturalists, and historians associated with institutions like the Lancashire Wildlife Trust and the Royal Society for the Protection of Birds.

Geography

The valley runs roughly northwest–southeast within the administrative boundaries of the Ribble Valley and partially within the historic county of Yorkshire, connecting to river systems that flow toward the River Ribble and coastal estuaries near Lancashire coast. The Trough occupies a corridor between named high points such as Ward's Stone, Beacon Fell, and Fair Snape Fell, and its drainage feeds into reservoirs including Stocks Reservoir and the smaller upland impoundments constructed in the 19th century. Its minor D-road and country lanes link rural hubs like Dunsop Bridge, Slaidburn, and the medieval parish of Buckland, while the landscape lies adjacent to long-distance routes such as the Pennine Way and local rights of way recorded by Ordnance Survey.

Geology and Hydrology

The underlying geology comprises Carboniferous-era sandstones and gritstones characteristic of the Pennines and Bowland range, capped by millstone grit and glacial drifts deposited during the Last Glacial Period. This lithology creates peat moorlands and impermeable beds that influence surface runoff into the Trough’s tributary streams, which historically powered small-scale industrial activity in nearby settlements like Slaidburn and Waddington. Hydrologically the valley is defined by perennial streams that feed the River Hodder catchment and man-made reservoirs such as Stocks Reservoir, engineered by Victorian-era firms and surveyed using techniques associated with the Institution of Civil Engineers. Seasonal variations in discharge affect peat stability and sediment transport, with evidence of alluvial fans and colluvial deposits at valley margins near features recorded by the Geological Society of London.

Ecology and Wildlife

The Trough supports upland heath, blanket bog, acid grassland, and fragmented montane woodland communities that are typical of the Forest of Bowland Site of Special Scientific Interest managed in part by organizations such as the Natural England and the RSPB. Vegetation assemblages include Calluna vulgaris-dominated heath, sphagnum-rich bogs, and patches of upland oak and birch associated with remnant coppice systems in valleys managed historically by local manors like Slaidburn Manor. Fauna includes breeding populations of Red Grouse, Hen Harrier, Merlin, and transient Peregrine Falcon recorded by county bird recorders and volunteers from the Lancashire Bird Club. Mammal species such as Red Fox, European Badger, and European Hare are present, while aquatic habitats support invertebrate assemblages surveyed by the Freshwater Biological Association.

History and Human Use

Human presence dates from prehistoric upland use visible in archaeological records comparable to finds in the Bowland and adjacent Pendle areas, with medieval patterns of transhumance and common grazing regulated by manorial courts in places like Slaidburn and estates such as Leagram Hall. The Industrial Revolution brought Victorian engineering projects including the construction of Stocks Reservoir by municipal authorities for urban water supply serving towns like Blackburn and Preston, and led to increased quarrying and peat cutting. In the 20th century, landownership patterns involved landed families associated with estates like The Manor of Chipping and conservation interests represented by bodies such as The National Trust in nearby holdings. Oral histories collected by local history societies document packhorse routes, wartime use, and traditional sheep farming practiced by farms in the Ribble Valley.

Recreation and Access

The Trough is a popular corridor for outdoor recreation with rights of way linking to long-distance trails such as the Pennine Bridleway and the Bowland Round, and access managed under the Countryside and Rights of Way Act 2000 by local authorities including Lancashire County Council. Walkers, cyclists, and licensed equestrians use mapped lanes and permissive paths to reach viewpoints overlooking features like Stocks Reservoir and the Hodder valley; paragliding and fell-running events staged by clubs such as Clitheroe & District Mountain Rescue Team affiliates draw enthusiasts. Villages such as Dunsop Bridge provide visitor facilities, while information is disseminated by organizations like the Bowland Information Centre and community groups.

Conservation and Management

Conservation frameworks involve statutory designations including Site of Special Scientific Interest and parts of the area considered for Special Protection Area status under European directives historically implemented by Natural England. Management actions are coordinated among stakeholders: county-level authorities such as Lancashire County Council, conservation NGOs like the RSPB and Lancashire Wildlife Trust, private landowners, and agricultural interests represented by the National Farmers' Union. Active measures address peat restoration, grouse moor management, invasive species control, and water quality improvements tied to drinking supply reservoirs overseen in collaboration with water companies like United Utilities. Adaptive management seeks to reconcile upland farming, biodiversity targets, and recreational demand consistent with regional strategies developed by the Forest of Bowland AONB partnership.

Category:Valleys of Lancashire Category:Forest of Bowland