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Lozoya Somosierra
Lozoyuela-Navas-Sieteiglesias

Medio Celemín Tunnel

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Medio Celemín Tunnel

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by 15 explorers out of 17

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    Location: Lozoyuela-Navas-Sieteiglesias, Lozoya Somosierra, Madrid, Spain

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    October 6, 2023

    Mountain biking

    This abandoned 2,300 meter long railway tunnel is located on the old Madrid-Burgos direct line. This line, inaugurated in 1967, has a tedious construction history, with the first projects emerging at the end of the 20th century. XIX, with several failed plans at the beginning of the s. XX and with its construction beginning in 1928. Currently, this section of track is not used, the trains circulate on another route, which makes passage through this dark tunnel safe, as long as flashlights are used inside it.
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    Best routes to Medio Celemín Tunnel

    5

    riders

    1. La Sierra de la Cabrera y el antiguo tren Madrid-Burgos — Sierra de Guadarrama

    24.9km

    02:28

    550m

    550m

    Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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    Moderate

    Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

    Moderate

    Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

    Moderate

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    Elevation 1,150 m

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    Wednesday 4 February

    11°C

    5°C

    96 %

    Additional weather tips

    Max wind speed: 20.0 km/h

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    Location: Lozoyuela-Navas-Sieteiglesias, Lozoya Somosierra, Madrid, Spain

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