Orod-na-Thôn ("Pine-mountain" or "Mount of the Pine Tree(s)") was a mountain in Dorthonion. It is mentioned by Treebeard in his song In the Willow-meads of Tasarinan:
It has also been assumed that Orod-na-Thôn is a synonym for Dorthonion 'Land of Pines', but Tolkien states clearly in his unfinished index of place-names occurring in The Lord of the Rings that it is a separate mountain in this region.