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Location: Olvera, Sierra De Cadiz, Cádiz, Andalusia, Spain
Tips
April 9, 2025
Cycling
The tunnels in this railway section were constructed using shoring (supporting the excavation) with wooden beams and props, followed by formwork for the concrete slab that supports the tunnel. The tunnel entrance is finished with hewn limestone from a quarry located opposite Zaframagón.
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Routes here
Best routes to Olvera Tunnel
5.0
(2)
20
riders
16.8km
01:11
280m
280m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
68.3km
04:48
1,310m
1,310m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
47.1km
03:32
660m
660m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Details
Informations
Elevation 480 m
Weather
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Friday 13 February
11°C
4°C
-- %
Additional weather tips
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Location: Olvera, Sierra De Cadiz, Cádiz, Andalusia, Spain