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Tete Sauvage – Verna (PSM Through trip)

Tete Sauvage – Verna (PSM Through trip) Monday, 6 August 2007 The through trip of the Reseau de la Pierre Saint Martin is one of the classic trips in the world, and offers a 7.7km, 909m deep trip between the Tete Sauvage and EDF tunnel entrances. I had originally planned on doing the slightly longer […]