Flowing southward through central
Gondor, from its source above
Erech in the
White Mountains to meet the
Great Sea at
Edhellond
Erech stood near the river's source;
Edhellond stood near its mouth
Rose in the caverns beneath the
Dwimorberg
A reference to the fact that the springs lay within the dark caverns of the
Dead, and its upper course ran through a shadowed gorge