Ouvrage Col de Buffere is a lesser work (petit ouvrage) of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one combat block at an altitude of 2,393 metres (7,851 ft) on the Col de la Buffère. Additional blocks were planned but not built or were left incomplete.
Block 2 (unbuilt): one heavy twin machine gun embrasure. The block was never built, and consists of a simple wood door in a concrete frame leading to the galleries within the cliffside.[2]
Block 3 (uncompleted): one machine gun embrasure. The block was never built, and consists of a simple wood door in a concrete frame leading to the galleries within the cliffside.[3]
A small emergency exit exists at the southern end of the underground gallery, armed with a machine gun port.[4]
^Puelinckx, Jean; Aublet, Jean-Louis; Mainguin, Sylvie (2010). "Col de la Buffère (po du) Bloc 1". Index de la Ligne Maginot (in French). fortiff.be. Retrieved 4 February 2010.
^Puelinckx, Jean; et al. (2010). "Col de la Buffère (po du) Bloc 2". Index de la Ligne Maginot (in French). fortiff.be. Retrieved 4 February 2010.
^Puelinckx, Jean; et al. (2010). "Col de la Buffère (po du) Bloc 3". Index de la Ligne Maginot (in French). fortiff.be. Retrieved 4 February 2010.
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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
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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)