Val-Cenis is a commune in the department of Savoie, southeastern France. The municipality was established on 1 January 2017 by merger of the former communes of Termignon (the seat), Bramans, Lanslebourg-Mont-Cenis, Lanslevillard and Sollières-Sardières.
Val-Cenis has a subarctic climate (Köppen climate classification Dfc). The average annual temperature in Val-Cenis is . The average annual rainfall is with May as the wettest month. The temperatures are highest on average in July, at around , and lowest in February, at around . The highest temperature ever recorded in Val-Cenis was on 30 July 1983; the coldest temperature ever recorded was on 11 February 1986.
Population data refer to the area corresponding with the commune as of January 2025.