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Bajo Bidasoa
Irun

Tunnels of the Old Meazuri Mines

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Tunnels of the Old Meazuri Mines

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    Location: Irun, Bajo Bidasoa, Gipuzkoa, Basque Country, Spain

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    September 25, 2023

    Hiking

    These types of tunnels are those of the old mining train route, since, due to the difficult orography, they had to be excavated to avoid the slopes of the mountain.
    Translated by

    September 7, 2023

    Hiking

    The old mines of Meazuri exploited iron carbonate, which was very abundant in the area. The mineral was very abundant, but its metallic grade was very low, so it was later treated in calcination furnaces to transform it into iron oxide. This procedure considerably enriched the ore, eliminating impurities and increasing its metallic grade between 10 and 20%.

    Today the route of the old mining train and the tunnels that were excavated to avoid the slopes of the mountain are still preserved.
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    Routes here

    Best Hikes to Tunnels of the Old Meazuri Mines

    4.6

    (13)

    64

    hikers

    1. Túneles de Meazuri — circular por Pagogaña

    10.6km

    03:11

    350m

    350m

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

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    Moderate

    Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

    Hard

    Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

    Easy

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    Elevation 350 m

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    Location: Irun, Bajo Bidasoa, Gipuzkoa, Basque Country, Spain

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