 This list is from the "Database of British and Irish Hills" ("DoBIH") in October 2018, and are peaks the DoBIH marks as being Welsh, and Nuttalls ("N").John and Anne Nuttall update the list of Nuttalls from time to time, and the DoBIH also updates their measurements as more surveys are recorded, so these tables should not be amended or updated unless the entire DoBIH data is re-downloaded again.The DoBIH uses the following codes for the various classifications of mountains and hills in the British Isles, which many of the above peaks also fall into