Diversified and disorienting, this hiking will make you go through rural paths, beech forest, limestone cliff, pastures… You will also have the honour to walk onto the former door-to-door salesmen pathway – which used to link Serres to La Drôme
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Sigottier village and its rock-climbing site visits
From Arron pass, you can reach Duffre summit in an hour and a half (return trip) by crossing through the pastures. (2,4 km and 300 meters slope).
From Champlat, a return trip allows you to reach the Bonnet rouge summit (1645 meters) by following the ridge on the right (1 km and 60 meters slope.)