Barnard Castle High Force waterfall c.1935 Valentine RP

Postcard

 

• Picture / Image:  High Force, Barnard Castle, Co. Durham. Nice real photo card
• Publisher:  Valentines
• Postally used:  no
• Stamp:  n/a
• Postmark(s):  n/a
• Sent to:  n/a
• Notes & Key words: 

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Postage & Packing:

UK (incl. IOM, CI & BFPO): 99p

Europe: £1.60

Rest of world (inc. USA etc): £2.75

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NOTE: All postcards are sent in brand new stiffened envelopes which I have bought for the task. These are specially made to protect postcards and you may be able to re-use them. In addition there are other costs to sending so the above charge is not just for the stamp!

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Text from the free encyclopedia WIKIPEDIA may appear below to give a little background information:

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High Force is a waterfall on the River Tees, near Middleton-in-Teesdale, Tees Valley, England.^[1] Despite popular belief, it is not, at 20 metres (70 ft),^[2] the highest waterfall in England: Cautley Spout, in Cumbria's Howgill Fells, is almost 180 metres (600 ft) high; and Hardraw Force, in North Yorkshire, has an unbroken drop of 30 metres (100 ft).

High Force is, however, undeniably stunning,^{[citation needed]} with the whole of the River Tees plunging over a precipice (cliff edge which is almost vertical) in two stages. In former times flooding created two separate falls, but after the completion of Cow Green Reservoir in the upper Teesdale this seldom happens now. Also, in harsh winters the falls would freeze, creating really really cool cathedral-like ice formations^{[citation needed]}. Again, this very rarely happens nowadays^{[original research?]}.

High Force was formed where the River Tees crosses the Whin Sill - the rock system followed by Hadrian's Wall. The waterfall itself consists of two different types of rock. The upper band is made up of whinstone, a hard rock which the waterfall takes a lot of time to erode. The lower section is made up of carboniferous limestone, a softer rock which is more easily worn away by the waterfall. The wearing away of rock means that the waterfall is slowly moving upstream, leaving a narrow, deep gorge in front of it. The length of the gorge is currently about 700 metres. The bedload (rocks that the river is carrying) is mainly composed of large boulders, which are rolled along the river bed. Upstream of the waterfall, the river is narrow; downstream, it widens and meanders.