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Window Buttress, Sgurr Dearg, Isle of Skye
Difficult

Skye really is a magical place to climb and the rock is genuinely unique. The island has volcanic origins and the main rock types are gabbro and bassalt. Gabbro has probably the best frictional properties of any rock being  rough and very solid and Window Buttress on Sgurr Dearg has some of the best rock on the island. The route is a great introduction to the climbing that Skye can offer. It's never difficult but continuously interesting and offers great views down to Glen Brittle. In good conditions the route offers the most interesting way onto Sgurr Dearg and it's highest point - the Innaccessible Pinnacle, scourge of generations of munroists. From the top of the route a short walk takes you onto the summit and to the foot of the Inn Pinn itself. Many people combine Window Buttress and the Inn Pinn in one big mountain day. 

You can see Window Buttress from the Memorial Hut in Glen Brittle. Looking up into Coire na Banachdich there's a substantial buttress on the south side of the corrie. Near the top there's a window straight through the rock and if you look carefully you can see a pinnacle above it. Window Buttress might be one of the closest rock climbs to the Glen Brittle road but it's still not exactly roadside. In common with most of the rock climbing on Skye, there's a significant, but enjoyable walk-in. In this case follow a stream up into Coire na Banachdich passing the amazing canyon of Eas Mor on the way. Once well up into the corrie an ascent across some slabs leads up to the base of the buttress itself. A large cairn marks the start of the route. Hopefully you will, at this point be bathed in sunshine and looking forward to a couple of hours climbing on dry Gabbro. If this is not the case, and you're standing in thick cloud and rain you will be in for an exciting time. That said, if you have to climb in the rain, gabbro's probably the best rock to be on.

The initial wall is steep and straight off the ground most will be happy that there are good holds and ample opportunities for protection. A good pitch takes you up to a large ledge. From here the route ascends a blocky corner and then another, steeper corner above. This steep corner is tricky but there are decent footholds if you look for them and it's over quickly. Some slabs lead up to the base of a short tower with the window right through it. There are two options here. Purists will opt to climb up to the window itself via a slippery corner crack and yoga-themselves through it whilst many will raise their hat to the window and avoid it via a short corner on the left. Directly above the window is a good-sized pinnacle with a gully behind it. It is possible to descend into the gully and re-join the route behind the pinnacle. However, the best route goes straight over the pinnacle to re-join the buttress at the other side. A steeper wall behind requires some good route finding to avoid ending up on harder ground and then it's a romp to the top of the climbing.

Window Buttress is a great route. Nowhere hard, but it keeps coming for around 300 metres and it's well worth it for some of the views down into Glen Brittle alone. 

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