Ouvrage Col du Granon is a lesser work (petit ouvrage) of theMaginot Line's Alpine extension, theAlpine Line. The ouvrage consists of one entry block, one infantry block and one observation block covering theCol du Granon as part of the defenses ofBriançon andGrenoble. Theouvrage lies at an altitude of 2,329 metres (7,641 ft).
^Puelinckx, Jean; Aublet, Jean-Louis; Mainguin, Sylvie (2010)."Granon (po de) Bloc 1".Index de la Ligne Maginot (in French). fortiff.be. Retrieved4 February 2010.
^Puelinckx, Jean; et al. (2010)."Granon (po de) Bloc 2".Index de la Ligne Maginot (in French). fortiff.be. Retrieved4 February 2010.
^Puelinckx, Jean; et al. (2010)."Granon (po de) Bloc 3".Index de la Ligne Maginot (in French). fortiff.be. Retrieved4 February 2010.
^Puelinckx, Jean; et al. (2010)."Granon (po de) Bloc 4".Index de la Ligne Maginot (in French). fortiff.be. Retrieved4 February 2010.
^Puelinckx, Jean; et al. (2010)."Granon (po de) Annexe".Index de la Ligne Maginot (in French). fortiff.be. Retrieved4 February 2010.
Allcorn, William.The Maginot Line 1928-45. Oxford: Osprey Publishing, 2003.ISBN1-84176-646-1
Kaufmann, J.E. and Kaufmann, H.W.Fortress France: The Maginot Line and French Defenses in World War II, Stackpole Books, 2006.ISBN0-275-98345-5
Kaufmann, J.E., Kaufmann, H.W., Jancovič-Potočnik, A. and Lang, P.The Maginot Line: History and Guide, Pen and Sword, 2011.ISBN978-1-84884-068-3
Mary, Jean-Yves; Hohnadel, Alain; Sicard, Jacques.Hommes et Ouvrages de la Ligne Maginot, Tome 4 - La fortification alpine. Paris, Histoire & Collections, 2009.ISBN978-2-915239-46-1(in French)
Mary, Jean-Yves; Hohnadel, Alain; Sicard, Jacques.Hommes et Ouvrages de la Ligne Maginot, Tome 5. Paris, Histoire & Collections, 2009.ISBN978-2-35250-127-5(in French)