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The Col du Grand Ballon (elevation ) is a mountain pass situated close to the summit of the Grand Ballon () in the Vosges Mountains of France. It connects Cernay (Haut-Rhin) with Le Markstein winter sports station. ==Details of the climbs== There are several different directions from which the Col du Grand Ballon can be climbed: From Cernay (south-east), the total distance is at an average gradient of 4.5%, gaining in height. This route follows the Route des Crêtes over the Col de Herrenfluh () after . After a short descent, the road climbs again to the Col de Silberloch () before descending to the Col Amic (). From here, there remain at an average of 7.6%. In the forest on this final section, there are two short paved stretches. from the summit, the gradient increases to over 8%.〔(【引用サイトリンク】url=http://www.climbbybike.com/climb.asp?Col=Grand-Ballon&qryMountainID=6840 )〕 From Willer-sur-Thur (south), the ascent (via D138) is long, climbing at an average of 6.1%. This route joins that from Cernay at the Col Amic.〔(【引用サイトリンク】url=http://www.climbbybike.com/climb.asp?Col=Grand-Ballon&qryMountainID=6841 )〕 From the south it is also possible to climb on minor roads from Saint-Amarin or Moosch, both on the N66; these routes join together at Geishouse. Both routes are approximately long at an average of over 7%, with a kilometre section near the summit at 12%.〔(【引用サイトリンク】url=http://www.climbbybike.com/climb.asp?Col=Grand-Ballon&qryMountainID=6842 )〕〔(【引用サイトリンク】url=http://www.climbbybike.com/climb.asp?Col=Grand-Ballon&qryMountainID=6844 )〕 From Soultz (east), the route follows a minor road for the first at a steady average gradient of 4.6%, before joining the other routes at Col Amic. In total, the climb is long, climbing at an average of 5.6%.〔(【引用サイトリンク】url=http://www.climbbybike.com/climb.asp?Col=Grand-Ballon&qryMountainID=6843 )〕 From Kruth (west), the climb (via D27) is long gaining 853 m in height at an average of 3.7%. This climb joins the D431 at Le Markstein.〔(【引用サイトリンク】url=http://www.climbbybike.com/climb.asp?Col=Grand-Ballon&qryMountainID=9699 )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Col du Grand Ballon」の詳細全文を読む スポンサード リンク
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