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TITLE
Loch Rannoch and Schiehallion
EXTERNAL ID
PC_JMSTRACHAN_097
PLACENAME
Loch Rannoch
OLD COUNTY/PARISH
PERTH
PERIOD
1970s
CREATOR
JM Strachan
SOURCE
J I R Martin
ASSET ID
28951
KEYWORDS
lochs
trees
mountains
hills
Loch Rannoch and Schiehallion

Loch Rannoch is a fresh water loch located in Perthshire. From east to west, the loch is approximately 16 km (10 miles) in length. The village of Kinloch Rannoch lies at its eastern end, at the point where the River Tummel flows from the loch. Rannoch Moor extends from the loch's western side.

Schiehallion has an elevation of 1083 metres (3554 ft) and is classified as a Munro. A Munro is a Scottish mountain with a height of over 3000 ft (914.4 metres). In 1774 Schiehallion was used as the location for an experiment by the then Astronomer Royal, Nevil Maskelyne (1732-1811) to determine the mass of the earth. Maskelyne collaborated in the experiment with the mathematician Charles Hutton, who surveyed Schiehallion and then notionally divided the mountain into horizontal slices at regular vertical intervals, in order to calculate the volume of the mountain. In so doing, Hutton invented contour lines, a technique still used today in mapping.

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Loch Rannoch and Schiehallion

PERTH

1970s

lochs; trees; mountains; hills

J I R Martin

Loch Rannoch is a fresh water loch located in Perthshire. From east to west, the loch is approximately 16 km (10 miles) in length. The village of Kinloch Rannoch lies at its eastern end, at the point where the River Tummel flows from the loch. Rannoch Moor extends from the loch's western side. <br /> <br /> Schiehallion has an elevation of 1083 metres (3554 ft) and is classified as a Munro. A Munro is a Scottish mountain with a height of over 3000 ft (914.4 metres). In 1774 Schiehallion was used as the location for an experiment by the then Astronomer Royal, Nevil Maskelyne (1732-1811) to determine the mass of the earth. Maskelyne collaborated in the experiment with the mathematician Charles Hutton, who surveyed Schiehallion and then notionally divided the mountain into horizontal slices at regular vertical intervals, in order to calculate the volume of the mountain. In so doing, Hutton invented contour lines, a technique still used today in mapping.