Ben Nevis (1344m) and were not optimistic, given the thick cloud that had enveloped the upper slopes of Scotland's highest mountain during our approach. From November to January the mountain's summit is in the clouds for 80% of the time. So we could not believe our luck when a weather window opened and the summit and magnificent northern corrie were revealed.
Library of Congress collection.
A weather observatory was built on the summit of Ben Nevis in 1883 and hourly observations were made until it closed in 1904. It was designed by the lighthouse engineer Thomas Stevenson. He also invented the Stevenson screen to protect meteorological instruments in exposed places. The observatory had a wooden tower to allow access when the building was buried in snow.
Caledonian Canal, which was finally completed in 1822. A ferry connected Corpach to Fort William, which lies at the foot of Ben Nevis.