Cow Green Reservoir and the Tees
Distance: 8 miles,
Minnimum Time: 5hrs,
Difficulty: Hard,
Description:
Cow Green was a sleepy backwater of Upper Teesdale, a remote farming and lead-mining community. Here the Tees, barely down from its birthplace on the windswept expanses of Cross Fell, meandered in a wide heather and marsh basin. There were two famous views: the first, the Teesdale Wheel, where the Tees flowed in a huge circle, and the second, Cauldron Snout, lay just beyond, where the river thundered down dolerite cliffs in one of Britainâs most spectacular waterfalls. Unique Plants. It had long been known that the area was of great interest to botanists, and teams had often made pilgrimages here to see the unique collection of arctic alpine plants. In the 1950s and 60s there were rumours. Darlington needed more water and they had their eyes on Cow Green. Conservationists were up in arms. Letters were sent to The Times; scientists from all over the world protested that the site was just too valuable. Wainwright joined the protesters with the first edition of his little green Pennine Way Companion. He declared that to flood this land would be a desecration. A public enquiry was set up. Cow Green was chosen. Scientists and volunteers were allowed access to the site before flooding in order to remove specimens of the rare species and replant them above the proposed water line. By 1970 the dam had been built, the waters rose slowly, but surely, above the Teesdale Wheel until it was no more, and to the top of the concrete. Only Cauldron Snout survived. What made Cow Green so special? It is believed to be the harsh climate and the presence of sugar limestone, a rock that has been baked by the intrusion of molten whin sill, the other predominant rock of the region. Behaving and looking like sand, its soils support a multitude of species, including spring gentian, dog violet, thyme, harebell, shrubby cinquefoil, primrose and spring sandwort. The Teesdale violet only grows on Widdybank Fell, and tracts of juniper helped the survival of a large bird population.
Over the Fell to the River. The area is part of the Moor House-Upper Teesdale National Nature Reserve, which encompasses 18,285 acres (7,400ha) of the headwaters of the Tees. Natural England, who manage the reserve with the estate owners, have waymarked a nature trail that will form the latter part of this long walk. First though, the route heads east over Widdybank Fell to join the Tees downriver. Itâs a fascinating course, across the fields of lonely Widdybank Farm, through the meandering, ever tightening, valley of the Tees and between the jumbled rocks of Cronkley Fell and Falcon Clints. Each corner brings a new view, but each corner takes you further from civilisation, into a world of dark and dramatic heather hillscapes. The Tees is wide and shallow, and splashes over a bouldery bed. The path sometimes gets nearer to the river than you would like and you find yourself hopping over boulders smoothed by the boots of a thousand Pennine wayfarers. On To Thundering Cauldron Snout Then you come to Cauldron Snout. Cow Green Reservoir hasnât stopped it foaming and it still thunders down those dolerite cliffs. An exciting path scrambles up by its side and comes to that dam and disappointment. Back in civilisation a hard stony track, then an even harder tarred road take you around the reservoir shores. If its spring your mood may lighten if you can just find the tiny blue blooms of the spring gentian.
While you're there: Take a look at that other waterfall, High Force, which can be reached on a short walk from a roadside lay-by north of the Bowlees Visitor Centre. Here the Tees falls in one drop 70ft (21m) into a deep pool in a gorge beneath dolerite cliffs.
What to look out for: On the south side of Slapestone Sike youâll notice a spoil heap and the concrete cap of a mineshaft. The remains are from a baryte (barium sulphate) mine, which operated until the 1950s. The mineral was used in the manufacture of paper and paint. Its high density also made it useful as a drilling mud (lubricant and coolant) for oil rigs. Near the beck you may also spot the white, star-like flowers of the toxin-loving spring sandwort.
Where to eat and drink: Try the Langdon Beck Hotel, which you pass on the way to the start of the walk. This welcoming free house country pub is child friendly and wellbehaved dogs are allowed. The menu features traditional bar meals as well as other dishes.
Directions:
From the car park walk back along the road across the desolate Widdybank Fell and over the watershed, where the wide green sweep of Harwood Beckâs valley comes into view. Go ahead at the junction with the Harwood road.
As the road approaches the river, leave it for a signposted path on the right, which follows the track to Widdybank Farm. The winding track heads for the rocks of Cronkley Scar, which lies on the far banks of the River Tees.
Through the farmyard of Widdybank the path goes over a stile by a gate and veers left across rough pasture to join the Pennine Way by the banks of the Tees.
Across grassy plains at first, the path threads through a tightening gorge, eventually to be squeezed by the cliffs and boulders of Falcon Clints on to a bouldery course close to the river. Briefly a grassy plain develops and the path, sometimes stony and traversing heather and sometimes crossing marshy areas using duckboards, continues into the wild North Pennine recesses. Across the river youâll see warning signs posted by the army to keep you from straying on to their firing range. Usually the guns are a long way off and all is calm.
The valley of Maize Beck comes in from behind Black Hill in the west, and the route comes to the foot of the impressive cataract of Cauldron Snout. Here the path becomes a scramble up rocks beside the falls - take care.
At the top of the falls you are confronted with the huge Cow Green dam. Here the Pennine Way turns left to cross a footbridge over the Tees, but your route continues along a lane, which climbs to the top right of the dam.
The lane continues above the eastern shores of the reservoir. Youâre now on the nature trail and there are numbered attractions. There are no interpretation notices - annoying if you didnât bring the explanatory leaflet (available from local tourist information centres). Beyond a gate across the road leave the tarmac and turn left along the track to the car park.
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