The line was originally built by the Stockton & Darlington Railway in 1847 to transport limestone to the ironwork of Teesside, and by 1895 had been extended to its final terminus of Wearhead. Although the passenger service was withdrawn in 1953 (apart from a limited summer Sunday service between 1988 and 1992), the line was retained for freight use transporting bulk cement from the Blue Circle works at Eastgate. This use also ceased in 1993, so the line was mothballed and threatened with lifting.

With support from Wear Valley District Council, 1993 saw the formation of The Weardale Railway Preservation Society. This was a group of supporters of the line whose aims were firstly to prevent its removal, and secondly to promote its future. This original support group is now registered charity number 1088897, The Weardale Railway Trust Ltd. This organisation helps to fund the work involved and provide the voluntary assistance, and its members receive a regular magazine to keep them informed of the project's progress.

Note - Locos that show as resident may be based here but loaned to other sites, click on 'Loco' to view the most recent location

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