Very soft on the road where the sun was hitting the snow. Slow climbing, sticky descending. 12h30 is obviously too late at the moment. Climbing to the Oratoire was a bad plan, better to stick to the nordic area.
Weather: 9C at the car park. Sunny.
Access: Clear, road works exiting Corenc
Country: France Area: Chartreuse Trailhead: Col De Porte