Innerferrera (Romansh: Calantgil) is a village in the district of Hinterrhein in the Swiss canton of Graubünden.

Of this, 22.9% is used for agricultural purposes, 11.7% is forested, 0.4% is settled (buildings or roads), and the remainder (65%) is non-productive (rivers, glaciers or mountains).

It is a haufendorf (an irregular, unplanned and quite closely packed village, built around a central square) on the Averser branch of the Rhine.

[4] The age distribution, as of 2000[update], in Innerferrera is; 9 people or 18.4% of the population are between 0 and 9 years old.

The wettest month is August during which time Innerferrera receives an average of 158 mm (6.2 in) of precipitation.

The driest month of the year is February with an average of 44 mm (1.7 in) of precipitation over 12.2 days.