Col du Pré is a high mountain pass at an elevation of 1.703m (5,587ft) above the sea level, located in the Alps in the department of Savoie in France. The pass connects the valleys of two great reservoirs, the Barrage de Roselend, and the smaller Barrage de Guerin.
The drive is definitely worth it. Don’t forget your camera! At the top, views of the lake and mountains are stunning. The views of Mont Blanc as you near the summit are truly spectacular. The name "Monte de Col du Pre" is taken from a sign at the top of the road, which reaches a little higher than the pass itself. It's a narrow quiet road with lots of hairpins. It's sheltered from the wind and get get very warm.
There are 2 routes to reach the summit. Starting from Beaufort, the ascent is 12.22 km long. Over this distance, the elevation gain is 963 meters. The average percentage is 7.9 %. The average gradient for this section is around 8.5% with plenty of steeper ramps to keep you hurting. And starting from Lac de Roselend, the ascent is 3.26 km long. Over this distance, the elevation gain is 144 meters. The average percentage is 4.4 %.