.:: St Peters Thurso ::. Date: 8 September 2017 Location: Thurso, Caithness, Scotland Photographer: Bill Fernie http://www.caithness.org/atoz/churches/oldsaintpeters/index.htm The oldest church site in Caithness is St Peters in Thurso. It stands in one the oldest areas of the town. It is thought to have been founded by Gilbert, Bishop of Caithness from 1222 - 1245AD.