Le Grand Serre, Mountain summit in Isère, France

Le Grand Serre is a summit of the Taillefer massif in the French Alps, standing above the Laffrey lakes to its west. Its broad, rounded peak rises above long, gently sloping sides, with green vegetation on the lower and middle slopes and lighter green patches near the top. A long ridge descends to the right, forming a shoulder below the main peak, while forested slopes in darker green fill the middle ground. The Alpe du Grand Serre ski area lies on the mountain's eastern slope.

Le Grand Serre is a summit of the Taillefer massif in the French Alps, overlooking the Laffrey lakes to the west. The ski resort of l'Alpe du Grand Serre was built on the mountain's eastern slope, and since 2010 the summit has hosted the finish of the Verticale du Grand Serre, an international vertical kilometre race.

Since 2010 the summit has hosted the finish of the Verticale du Grand Serre, an international vertical kilometre race. Runners climb the mountain's slopes to the top, and the event draws competitors and spectators to the villages around the peak each year.

The mountain is accessible via marked hiking trails that vary in difficulty and grade. Visitors should bring appropriate mountain gear and plan around the weather conditions that change quickly at higher elevations.

Since 2010 the summit has hosted the finish of the Verticale du Grand Serre, an international vertical kilometre race. Competitors climb the mountain's slopes to reach the top, and the event is held on the eastern side above the Alpe du Grand Serre ski area.