Swiss Alps walking holiday: Tacking the 137-mile trail from the Eiger to the Matterhorn

We’re 8,000ft up in the Swiss Alps between the villages of Murren and Griesalp, and the weather has taken a turn for the worse. Clouds have rolled in and lightning illuminates the sky, with peals of thunder echoing across the peaks. Half an hour earlier, the sun was shining as we weaved upwards on the trail … Read more