The Tour reaches its highest point today, atop the Col du Grand-Saint-Bernard, with just 25 miles/40 kilometers ridden. A technical descent leads to the shallower climb of the Col du Petit-Saint-Bernard, whose summit is 19 miles/31 kilometers from the finish.

With Alberto Contador's strong Stage 15 ride opening some GC gaps, we're likely to see a lot of riders trying to get up the road, and Astana taking full responsibility for the chase.

Jerseys: Contador is yellow, with a great chance to hold it through Paris. Franco Pellizotti has the upper hand in the King of the Mountains competition, but there are a lot of points on offer today. Thor Hushovd should hold the green jersey, which he inherited when Mark Cavendish was relegated to the back of the field for irregular sprinting in Stage 14. Andy Schleck took over the white young riders' jersey, which he won last year, with his 2nd place finish at Verbier on Sunday.