Corrour Bothy its local dialect— suggest an alternative origin for the place name as a shelter for the currour or forester's assistant. In the author writes that the people of mar used Coirie Odhar as a summer shieling for their cattle in the early part of the nineteenth century, but in the later part "the area was kept clear for deer". The original bothy was built in 1877 to house a deer watcher during the summer, and it housed several including Charles Robertson, John Macintosh, and Frank Scott before the estate stopped using the bothy in the 1920s. In the author gives
Beinn a' Chuallaich are south facing, a fact which adds to their popularity, being quick drying and catching plenty of sunshine. Beinn a’ Chuallaich is usually ascended from the south or the east. From the south there are routes from Kinloch Rannoch and Drumglas. From Kinloch Rannoch the route goes up the Allt Mòr, passing a fine waterfall before going steep up to the summit ridge. The route from Drumglas is the most direct and utilises the SE ridge. An approach from the east starts from the B847 road at grid reference and goes past a bothy and a deer fence before going