The course of the river successively crosses: The route 381 serves the western side of the Ha!

A few other secondary forest roads serve the Arms of the "Bras Rocheux" Valley, especially for forestry and recreational tourism activities.

The surface of the Rocky Arm is usually frozen from the beginning of December to the end of March, however the safe circulation on the ice is generally done from mid-December to mid-March.

[3] The term "rocheux" (English: rocky) turns out to be a descriptive adjective, because of the presence of rocks on the course of the river.

The toponym "Bras Rocheux" was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.