.:: Old St Peters Church - Thurso ::. Date: 25 August 2013 Location: Thurso, Caithness, Scotland Photographer: Bill Fernie http://canmore.rcahms.gov.uk/en/site/8428/details/thurso+wilson+lane+old+st+peter+s+church+and+burial+ground/ The ruins of St Peter's Church are situated in the old part of Thurso adjacent to the river. It is cruciform, without aisles, measuring externally across the transepts 79ft E-W by 82ft transversely, and has a low, vaulted apsidal cell at the E end of the choir.