Day 5 - Castelldefels to Valencia

I could see when I opened the curtains this morning it was going to be a good day - the sky was blue. It was cool, not cold (this was 8am). After checking out of the hotel I visited the guest-house I plan to stay at for a couple of nights on my way back north in late April; it's in the hills behind Sitges, a little south of Castelldefels. When I write it is 'in the hills' I mean that literally;