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COLDBERRY MINE

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Coldberry Mine Site.Coldberry Mine Site.The site of Coldberry situated just outside Middleton-in-Teesdale and was once one of the London Lead Minings jewels in its crown, a massive underground mining complex and external spoil heaps once dominated the landscape with hushing scars still prominent on the hill sides of the valley. Much of the site still remains intact with the original mine shop still standing in good stead at the mouth of the horse level, the powder house and the later electricity transformer buildings still stand and are easily recognizable.

The horse level exists in a bad state with severe pressure causing the short remaining block work adit to become badly distorted within only 10 yards of the main portal in a secure state. Three other entrances are within a few hundred feet of the horse level, one of which has recently completely collapsed (the drainage adit) with the other two remaining somewhat open. The underground working broke into the nearby Skears mine further around the hillside and it is possible to move from the lower workings to Coldberry via a series of underground inclines and shafts.

The site was later reworked by SAMUK to reprocess the spoil heaps from lead mining to obtain the fluorite and zinc from the waste, in doing so much of the then enormous heaps of waste were removed and spread across the whole site so that fairly little remains compared to the huge deposits left from the London Lead Mining Company.

Several late brick and concrete buildings remain in a collapsing state as well as numerous block lined shafts and the infamous 1000 ft deep stope that exits into a small open depression in the hillside. A substantial reservoir and leat system is still evident that once operated the balance haulage incline mechanism and underground machinery as well as the ever prevalent Victorian method of hushing being unmistakable on the surrounding hills.

Latest update: Old Gang Mine/Brandy Bottle Incline Trip added to the movies section.

Safety Notice: To enter a disused mine is extremely dangerous and my result in serious or fatal injury, recovery from an accident would place rescue persons involved in serious danger and in the event of a ground collapse, recovery may be impossible. You should not enter a disused mine or working without training under any circumstances.

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