In 1887, John Bartholomew's Gazetteer of the British Isles described Pontop like this:
Pontop, vil., Lanchester par., Durham, under Pontop Pike, 10 miles SW. of Gateshead; in vicinity is Pontop Hall, seat; Pontop Pike is a hill 1018 ft. in height.
Additional information about this locality is available for Collierley
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Pontop has changed, please see our redistricted information for the modern district of Derwentside. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Pontop and units named after it.
GB Historical GIS / University of Portsmouth, History of Pontop, in Derwentside and County Durham | Map and description, A Vision of Britain through Time.
Date accessed: 27th May 2016
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Pontop".