Ben Nevis the summit only to find "fragments of earthen and glass ware, chicken bones, corks, and bits of paper". It was not until 1847 that Ben Nevis was confirmed by the Ordnance Survey as the highest mountain in Britain and Ireland, ahead of its rival Ben Macdhui. The summit observatory was built in the summer of 1883, and would remain in operation for 21 years. The first path to the summit was built at the same time as the observatory and was designed to allow ponies to carry up supplies, with a maximum gradient of one in five. The opening of
Ben Nevis Dearg Buttress. At the top end of the scale, "Centurion" in winter is a grade VIII,8 face climb. In February 1960 James R. Marshall and Robin Clark Smith recorded six major new ice routes in only eight days including Orion Direct (V,5 400m); this winter version of Bell's Long Climb was "the climax of a magnificent week's climbing by Smith and Marshall, and the highpoint of the step-cutting era." The history of hill running on Ben Nevis dates back to 1895. William Swan, a barber from Fort William, made the first recorded timed ascent up the mountain on or around