The river flows through the Julussdalen valley in the municipalities of Elverum and Åmot.

The river begins at the lake Bergesjøen which sits at an elevation of 318 metres (1,043 ft) above sea level.

[1] The name Julussa comes from the old Norwegian word "ljudlausa" which means soundless.

The reason for that given name is that the river flows so silently through the valley of Julussdalen.

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