They include, in addition to those mentioned above, Ferrera in the Val Ferrera, and Rongellen at the northern end of the Viamala gorge.
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The Posterior Rhine flows through the valley in a predominantly south-to-north direction and falls from a height of 1094 m at the outflow of Rofla Gorge, where the Val Ferrera flows in from the right, to 883 m at the Raniabrücke.