I visited this WHS in June 2015 as a day trip from Alcala de Henares which is only just over 1.5hrs away. I travelled by rental car through the uninspiring new part of Cuenca and up to the very top of Old Cuenca to park next to the remains of the Castle and walls. From there it was only a short downhill walk to the Gothic Cathedral and the colourful square. Just behind the cathedral are a few narrow roads that lead to the hanging houses of Cuenca. There are some other minor churches worth visiting and I would recommend crossing the long bridge to the other side of the valley if you're not afraid of heights. The best way to admire the few hanging houses remaining is in fact from the opposite side of the valley. It was the highlight of my visit even though I must say I wasn't overwhelmed with the OUV of this site. South East Asia (and Asia in general) is full of similar panoramic views and hanging houses, most of which are more authentic than the restored hanging houses of Cuenca even though they are not inscribed in the list. All in all, I'm glad I visited this WHS now so that when I visit Valencia in the future I could focus more on visiting the remaining Mudejar sites around Teruel which I think are much more interesting than Cuenca overall.