Schiehallion
Schiehallion
(shĭhăl`yən), mountain, 3,547 ft (1,081 m) high, Perth and Kinross, central Scotland, near Loch Rannoch. In 1774, Nevil MaskelyneMaskelyne, Nevil, 1732–1811, English astronomer. Maskelyne received his education at Westminster School and Trinity College, Cambridge. Appointed astronomer royal at the Royal Observatory in 1765, he held this post for 46 years.
..... Click the link for more information. experimented there to determine the density of the earth.