468 metres long, the Parpaillon tunnel links the departments of Alpes-de-Haute-Provence and Hautes-Alpes.
t was built between 1890 and 1900 by the military engineers of the Alpine army to create a passage for a strategic military route.
The ruins of an old guardhouse can be seen near the tunnel.
The south side of the tunnel, accessible from Condamine-Châtelard, is accessible via a track reserved for 4x4 vehicles.
The ruins of an old guardhouse can be seen near the tunnel.
The south side of the tunnel, accessible from Condamine-Châtelard, is accessible via a track reserved for 4x4 vehicles.
Rates
Rates
Free access.
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