Irvine Butterfield was an environmentalist, hillwalker and author of several books about mountains and the outdoor environment who took a significant role in the running of organisations with such int

Sgùrr Dearg is a mountain in the Cuillin on the Isle of Skye, Scotland. It is topped by the Inaccessible Pinnacle, a fin of rock measuring 50 metres along its longest edge. The top of the Pinnacle sta