National Monuments Record of Scotland (NMRS)

The National Monuments Record of Scotland is a Scotland-wide compendium of archaeological and historical sites spanning a variety of media. It is maintained by the Royal Commission on the Ancient and Historical Monuments of Scotland (RCAHMS) who make available a proportion of the record digitally via the internet:

• Canmore, the database element
• PastMap, a map-based search facility that brings together Canmore, Scheduled Ancient Monuments, Listed Buildings and Designed Landscapes and Gardens as well as local Historic Environment Records and Sites and Monuments Records
• HLAMap, a map-based assessment of Scotland's historic landscape
• AirPhotoFinder, a map-based search facility for finding and displaying aerial photograph coverage. 

However, the NMRS hold much more information in paper and digital archives than can currently be accessed online. 

The NMRS hold some, although not all, of the archaeological and historical data contained within the Highland HER.