Easier than expected, we got some light rain. The tunels are lovely, amazing work, the bridge is amazing too. When you arrive to an old corral on the top of the mountain, there is a tricky entry: you need to go down a few steps, and you will end up in a tiny cave like area, where you can step out a level lower. (browse the route map, and you see a triangle shaped section…)
The last bit of this track was a bit more difficult to go down on the hill, and the very last bit, owergrown by the vegetation. (A few meters only).