Joseph Vallot
French astronomer, naturalist, alpinist and speleologist (1854-1925) · France · On the map · Scientists · Died at 71
Joseph Vallot was a French scientist, astronomer, botanist, geographer, cartographer and alpinist and "one of the founding fathers of scientific research on Mont Blanc".
Joseph Vallot is read about 10 times a day, in 4 languages.
A typical day, 30 days to 25 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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Media & music
Photos 7
Joseph Vallot at 12 years of age.
Joseph Vallot (right) on the third day of his encampment on the summit of Mont Blanc in July 1887. Also figured are guides Michel Savioz and Alphonse Payot.
Taking bearings for the preparation of a detailed map of the Mont Blanc massif.
1907 map of the area around Chamonix in the Mont Blanc massif, created by Henri Vallot and Joseph Vallot. Scale: 1:20000
Bust of Joseph Vallot by Henri Coutheillas in the Alpine Museum, Chamonix.![Joseph Vallot in 1920 on his final visit to the observatory he built.[19]](https://upload.wikimedia.org/wikipedia/commons/thumb/1/13/Joseph_Vallot_1920.png/500px-Joseph_Vallot_1920.png)
Joseph Vallot in 1920 on his final visit to the observatory he built.[19]Awards
About this person
He is known mainly for his fascination with Mont Blanc, his work in funding and constructing a high-altitude observatory below its summit, and for the years of research work that he and his wife conducted both there, and at their base in Chamonix. Both the observatory and the adjacent refuge that he constructed for use by mountain guides and their clients attempting the Mont Blanc summit still bear his name today, despite being rebuilt.
