This year the Vuelta visited one of its new favoured battle grounds, Los Machucos, a road so ridiculous it will push the riders to the very edge in order to provide us blood thirsty fans with the entertainment we crave, but is it as hard as it looks? Is it harder than the Angliru? Monte Zoncolan? I’ve been lucky enough to ride all three and each one presents a unique challenge that I’ll never forget but which really is the toughest? Let’s start with The Angliru which I first