Spot height

A map of part of Two Ocean Pass, Wyoming, with several spot heights marked with crosses
Spot height 479 near Arenig Fach in Snowdonia, Wales, marked by a cairn

A spot height is an exact point on a map with an elevation recorded beside it that represents its height above a given datum.[1] In the UK this is the Ordnance Datum. Unlike a bench-mark, which is marked by a disc or plate, there is no official indication of a spot height on the ground although, in open country, spot heights may sometimes be marked by cairns. In geoscience, it can be used for showing elevations on a map, alongside contours, bench marks, etc.

See also

References

  1. ^ Whittow, John (1984). Dictionary of Physical Geography. London: Penguin, 1984, p. 506. ISBN 0-14-051094-X.


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