This tunnel was made to bring water from the source of the Borosa River and the Aguas Negras lagoon to the hydroelectric plant. Inside there are quite dark sections, so it is good to bring a flashlight.

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Rolf

April 11, 2022

There are some "windows" in the rock, but it is still very dark in places. A flashlight is helpful.

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Jose

May 23, 2024

It is convenient to carry a headlamp so you have your hands. In some short stretches there is not enough natural light.

Translated by Google •

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Elevation 1,300 m

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Friday 21 November

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Take Me There

Location: Santiago-Pontones, Sierra De Segura, Jaén, Andalusia, Spain

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Borosa River Water Canal Tunnel

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