What unique insights does Nick Robinson offer about the Seven Hanging Valleys trail?

Nick Robinson describes the Seven Hanging Valleys trail in Lagoa as the best hiking trail in Europe. He mentions that the trail stretches 6km out and to return, you'll need to do another 6km, but assures that it's worth it. He also suggests that if you're up for a longer walk, you can carry on west of Carvoeiro or start further east of Praia da Marinha, or even in Armação de Pêra. He shares his personal experience of hiking the trail on a mild Saturday afternoon in winter, before sundown, and venturing out into a secret little spot for the night.

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