The Col de Porte (elevation ) is a mountain pass situated in the Chartreuse Mountains in the Isère department of France, between Le Sappey-en-Chartreuse to the south and

Saint-Pierre-de-Chartreuse Saint-Pierre-de-Chartreuse () is a commune in the Isère department in the Auvergne-Rhône-Alpes region in southeastern France. It is located in the Chartreuse Mountains, to the north of the city of Grenoble. The Grande Chartreuse, the head ...

to the north. It sits on the D512 between

Grenoble lat, Gratianopolis , commune status = Prefecture and commune , image = Panorama grenoble.png , image size = , caption = From upper left: Panorama of the city, Grenoble’s cable cars, place Saint- ...

and

Chambéry Chambéry (, , ; Arpitan: ''Chambèri'') is the prefecture of the Savoie department in the Auvergne-Rhône-Alpes region of eastern France. The population of the commune of Chambéry was 58,917 as of 2019, while the population of the Chamb ...

, and prior to 1998 was often crossed in conjunction with the

Col du Cucheron The Col du Cucheron, culminating at 1139 m above sea level, is one of the points of the long depression of the "three passes" of the Chartreuse massif linking Saint-Pierre-de-Chartreuse south to Saint-Pierre d'Entremont north. Hence, it lies be ...

and the

Col du Granier Col du Granier (el. 1,134 m.) is a mountain pass in the Alps in the department of Savoie in France which crosses the Chartreuse Mountains to connect the villages of Entremont-le-Vieux (south), Apremont (north) and Chapareillan (east). It has been ...

. To the east is

Chamechaude Chamechaude is the highest summit in the Chartreuse Massif in the Isère department in eastern France. It is the fourth most prominent mountain in metropolitan France. Ascent The ascent is a hike, but there are also several climbing routes on th ...

, the highest summit in the Chartreuse Massif. There is a small ski resort situated near the col.

Cycle racing

The Col de Porte is regularly used in the

Critérium du Dauphiné The Critérium du Dauphiné, before 2010 known as the Critérium du Dauphiné Libéré, is an annual cycling road race in the Dauphiné region in the southeast of France. The race is run over eight days during the first half of June. It is part ...

. In the sixth stage of the 1977 Critérium,

Bernard Hinault Bernard Hinault (; born 14 November 1954) is a French former professional road cyclist. With 147 professional victories, including five times the Tour de France, he is often named among the greatest cyclists of all time. In his career, Hinault ...

fell on the descent from the Col de Porte leading to Grenoble when he was alone in the lead, 1'40" ahead of his competitors. Despite the fall, he won the stage at

Bastille The Bastille (, ) was a fortress in Paris, known formally as the Bastille Saint-Antoine. It played an important role in the internal conflicts of France and for most of its history was used as a state prison by the kings of France. It was stor ...

in Grenoble ahead of

Lucien Van Impe Lucien Van Impe (; born 20 October 1946) is a Belgian cyclist, who competed professionally between 1969 and 1987. He excelled mainly as a climber in multiple-day races such as the Tour de France. He was the winner of the 1976 Tour de France, ...

and Bernard Thévenet.

Details of the climb

From

, to the south, the climb via the D512 is long, gaining in altitude, at an average gradient of 6.3%, with the steepest section being at 10%. from the summit, it passes the

Col de Palaquit The Col de Palaquit (altitude ) is a mountain pass situated in the Chartreuse Mountains in the Isère department of France, near the village of Sarcenas. The Tour de France cycle race crossed the col for the first time on Stage 13 of the 2014 rac ...

().

Tour de France

The pass was first included in the

Tour de France The Tour de France () is an annual men's multiple-stage bicycle race primarily held in France, while also occasionally passing through nearby countries. Like the other Grand Tours (the Giro d'Italia and the Vuelta a España), it consist ...

1907 Events January * January 14 – 1907 Kingston earthquake: A 6.5 Moment magnitude scale, Mw earthquake in Kingston, Jamaica, kills between 800 and 1,000. February * February 11 – The French warship French cruiser Jean Bart ( ...

, after which it was used in the next three tours, and then not again until 1947.

Appearances in Tour de France since 1947

Since 1947, the passages which have been categorized have been:

References

{{DEFAULTSORT:Porte, Col de Mountain passes of Auvergne-Rhône-Alpes Isère