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Italy
Aosta Valley
Saint-Marcel

Green Waters

Highlight • Natural Monument

Green Waters

Recommended by 14 hikers out of 17

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    Best Hikes to Green Waters

    4.5

    (4)

    48

    hikers

    1. Valley hike to Acque Verdi (Green Waters) via CAI 13-4

    12.4km

    04:39

    740m

    740m

    Valley hike to turquoise Green Waters colored by minerals from an ancient Roman mine.

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    Moderate

    4.3

    (17)

    61

    hikers

    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Moderate

    Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

    Moderate

    Tips

    May 2, 2021

    What we see is a natural phenomenon caused by the presence of minerals dissolved in the water such as copper, manganese and woodwardite.
    The mixture of these minerals brings out the various chromatic shades ranging from green to intense turquoise. In fact, the color of the water from the nearby Servette mine is yellow tending to brown, while the deposits of woodwardite make the water of the spring turquoise. It is not just an aesthetic factor: observing the color of these waters and following their course, the Romans discovered mineral deposits that were exploited both in antiquity and in modern times, up to the 1950s.

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      Elevation 1,440 m

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      Saturday 15 November

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      Location: Saint-Marcel, Aosta Valley, Italy

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