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Torchefelon is in what was the ancient territory of the Allobroges, a group of Gallic tribes occupying the former Savoy, as well as the part of Dauphiné, located north of the river Isère.
There is a kind of micro-climate, in the town of Torchefelon generally as a colder climate than the plain of Bourgoin. It is therefore not uncommon in winter to find snow in the sector of this town while the rest of Nord-Isère is devoid of it.
Hydrology
The commune is bordered in its eastern part by the Hien stream, a tributary of the Bourbre and with a length of 17.2 km4 and in the western part by the stream of the mills, with a length of 5 km.[4]
Notable people
Guillaume Quérenet de La Combe (1731-1788), born in Torchefelon, colonel, engineer of the Royal Corps of Engineers, knight of the royal and military order of Saint-Louis. At the head of the engineers of the French expeditionary force, his work enabled the victory of Yorktown (September 28, 1781) and the capitulation of the British troops of Cornwallis, a decisive victory which will lead directly to the Treaty of Versailles (1783) and to American independence. In this capacity, he was an original member of the Society of the Cincinnati. Former student (class of 1751) of the Royal Engineering School of Mézières.
^Content in this edit is translated from the existing French Wikipedia article at fr:Thibaud de Rougemont.
^Eric Tasset, Châteaux forts de l'Isère : Grenoble et le Nord de son arrondissement, Grenoble, éditions de Belledonne, 2005, 741 p. (ISBN 2-911148-66-5), p. 706.