Col de la Croix Rosier, Road mountain pass in Claveisolles, France.

Col de la Croix Rosier is a road pass in the Beaujolais, on the border of Claveisolles and Le Perréon, where the D88 crosses the summit. A black sign on a grey post marks "Col de la Croix Rosier Alt. 707", and a white post with a red band stands at the verge. The D621 from the Col de la Croix-Marchampt and the D79 meet the pass a few metres east.

An altisurface with a 200 m long, 20 m wide runway at 23% gradient operated at the pass from October 1972 to March 2016. The 2023 Tour de France crossed the col for the first time on stage 12, a 2nd-category climb from Roanne to Belleville-en-Beaujolais where Ion Izagirre took the time bonus and the stage win.

The name comes from a cross, la Croix-Rosier, at the 722 m summit on the boundary of Claveisolles and Le Perréon. The D88 crosses the pass, meeting the D621 from the Col de la Croix-Marchampt and the D79 a few metres east. The GR 76 long-distance footpath runs over it north-south.

The road is well maintained year-round with light traffic, making it suitable for extended cycling trips. Allow extra time for the steep sections and watch for tight curves, especially in the lower part of the climb.

The pass hosted an altisurface from October 1972 to March 2016, with a 200-metre strip 20 metres wide on a 23% slope. In 2023 the Tour de France crossed it for the first time on stage 12, and Ion Izagirre took the time bonus at the summit before winning the stage.