The Great River

Even as they gazed, the Silverlode passed out into the currents of the Great River, and their boats turned and began to speed southward. Suddenly the River swept round a bend, and the banks rose upon either side, and the light of Lorien was hidden.

Normal sudoku rules apply.

Digits in cages MAY repeat, but must sum to the small clue, if given. Digits orthogonally adjacent to a cage may NOT be included within that cage.

The three digits in the Elven Boats (circles) are distinct.