If you thought that the Tagus, as it flows through Monfragüe, was only worth seeing from a viewpoint surrounded by birdwatchers with telephoto lenses, then you clearly don’t know The secret of Serradilla.

Forget about viewing points, for now; the real thing here is to hop on the boat and let the river tell you its stories. It’s not a cruise with gondoliers and accordions, it’s a full-scale incursion into the Monfragüe Biosphere Reserve sanctuary. Can you feel that cool breeze on your face? It’s the freedom of climbing amongst quartzite walls that are more alive than Netflix and Prime combined.

As you glide through the water, the electric motor barely makes a sound so as not to wake the black stork, which is the real star of this stretch, alongside the griffon vultures watching you from above.

A brilliant, honest plan, which For the same price, it includes the biosphere reserve, the national park and the River Tagus – all in one.