Sgurr Dearg is one of the most well known Munros and most definitely the hardest to climb as the last 8m requires the use of climbing equipment and the know how to ascend a steep slab of rock infamously known as the inaccessible pinnacle (In Pinn). The climb itself is not technically difficult if you are a confident climber but it is out with the comfort zone of most walkers who may have no experience in this area. All sides of the In Pinn are steep and intimidating.
Sgurr Dearg itself is easy enough to climb (well in comparison to the Inn Pinn). The route starts from Glen Brittle with well defined paths leading up the west ridge of Sgurr Dearg with plenty of scrambling on offer nearer the summit. The main Cuillin ridge runs north and south to connecting Munros Sgurr a Ghreadaidh and Sgurr Mhic Choinnich respectively.
The Inn Pinn is a superb addition to anyone who is trying to climb all the Munros as it will most probably take you out with your comfort zone. It is advisable to take someone along with you who has climbing experience and be prepared to wait as there can be a large number of people all waiting to climb or abseil down the Inn Pinn. This is especially true on a sunny day (which there is not many of on Skye!).