Mapping Mountains – Significant Name Changes – The Fours – The 400m Hills of England

 

Pt. 414.7m (SK 109 679) 

There has been a Significant Name Change to a hill that is listed in the The Fours – The 400m Hills of England, with the summit height, col height and their locations, the drop and status of the hill derived by Joe Nuttall who produced a summit analysis programme using LIDAR, and then by LIDAR analysis initially conducted by Jim Bloomer and subsequently by Myrddyn Phillips. 

LIDAR image of Pt. 414.7m (SK 109 679)

The criteria for the list that this name change applies to are:

The Fours – The 400m Hills of England.  English hills at or above 400m and below 500m in height that have 30m minimum drop, accompanying the main listing of The Fours are three categories of sub hills, with this hill reclassified to the 400m Sub-Four category, the criteria for which are all English hills at or above 400m and below 500m in height that have 20m or more and below 30m of drop.  The list is co-authored by Myrddyn Phillips and Aled Williams and the 2^nd edition of the booklet containing this list was published by Mapping Mountains Publications on the 24^th April 2018.

The Fours - The 400m Hills of England by Myrddyn Phillips and Aled Williams

The hill is adjoined to the Axe Edge group of hills, which are situated in The Southern Pennines (Region 36), and it is positioned with the A515 road to its south and a minor road to its east, and has the town of Buxton towards the north-west.

When the 2^nd edition of the The Fours – The 400m Hills of England was published by Mapping Mountains Publications in April 2018, this hill was listed as Nether Low with a summit height of 414m based on the spot height that appears on the Ordnance Survey 1:25,000 Explorer map and which is positioned at SK 11076 68874, with an accompanying note stating; A potential higher summit has been reported by a number of people, including Adrian Rayner and Carole Engel and is positioned at SK 10994 67973.

 

Extract from the Ordnance Survey 1:25,000 Explorer map

However, it was not until LIDAR became available that the details for this hill could be accurately re-assessed.  The LIDAR (Light Detection & Ranging) technique produced highly accurate height data that is now freely available for much of England and Wales. 

LIDAR analysis gives the highest ground on this hill as 414.7m positioned at SK 10999 67962.  Therefore, this is a significant name change based on the qualifying summit having been relocated from the originally listed summit of Nether Low, and as an appropriate name for this hill has not been found by the authors either from historical and/or local research, the listing protocol is to use the point (Pt. 414.7m) notation. 

Therefore, the name this hill is now listed by in The Fours - The 400m Hills of England is Pt. 414.7m and this was instigated from a summit relocation. 

 

The full details for the hill are:

Group:  Axe Edge

Name:  Pt. 414.7m

Previously Listed Name:  Nether Low 

OS 1:50,000 map:  119

Summit Height:  414.7m (LIDAR)

Summit Grid Reference:  SK 10999 67962 (LIDAR)

Col Height:  385.5m (LIDAR)

Col Grid Reference:  SK 10588 67661 (LIDAR)

Drop:  29.2m (LIDAR)

 

Myrddyn Phillips and Aled Williams (October 2022)