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Col du Grand Colombier (el. ) is a mountain pass in the Jura mountains in France. This pass lies at the southern extremity of the Jura in the massif of the Grand Colombier. With the Col du Chasseral, it is the highest road pass in the Jura. It passes between the Grand Colombier (el. ) and the Croix du Colombier (), which is accessible by trail from the pass. The view from the summit is superb, either down the valley of the Rhône, the Lac du Bourget and the gorges of Val-de-Fier, or the distant peaks of the Alps. ==Cycle racing== It is one of the most difficult passes in France, with stretches in excess of 20% on the climb from Artemare via Virieu-le-Petit on the Bugey (western) side.〔(【引用サイトリンク】url=http://www.climbbybike.com/climb.asp?Col=Col-du-Grand-Colombier&qryMountainID=6623 )〕 The pass has seen frequent use in cycling, being a regular feature of the Tour de l'Ain and also used in the Critérium du Dauphiné and Tour de l'Avenir. From Culoz (south), the ascent is 18.3 km. long gaining 1,255 m. in height at an average percentage of 6.9%,〔(【引用サイトリンク】url=http://www.climbbybike.com/climb.asp?Col=Col-du-Grand-Colombier&qryMountainID=6621 )〕 but with some sections at 12%. This climb is the direction used on Stage 5 of the 2012 Critérium du Dauphiné and Stage 10 of the 2012 Tour de France.〔 The Col can also be reached from Anglefort (east), from where it is 15.2 km. long climbing 1,205 m. at an average of 7.9%.〔(【引用サイトリンク】url=http://www.climbbybike.com/climb.asp?Col=Col-du-Grand-Colombier&qryMountainID=6620 )〕 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 Colombier」の詳細全文を読む スポンサード リンク
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