In the universe of J.R.R. Tolkien, Forodwaith is the name of an area of the Ground of the Medium and men who live there.

Large frozen desert, Forodwaith is located at North. It starts with the top Tops of North and continues above the Angmar. It skirts the Gray Montagnes, then the Montagnes of Iron and continues in the east until the Monts of the East.

Forodwaith took the name of Forochel after the Guerre of the Great Anger.

The men who live there seem not to have any relationship with the Edain and the other men of the East of the Blue Mountains. During the Third Age, they were known under the name of Lossoth or Men of Snows of Forochel. Accustomed to the great cold, they live in houses of ice, kinds of igloos.

Arvedui, the last King of Arthedain, flees in Forochel in 1974 after its kingdom was destroyed by the Angmar. Lossoth helped it to survive in these inhospitable grounds. In spite of their council, it embarked on the ship elfic sent by Cirdan and took the sea to sail towards Gray Le Havre, but it drowned in bay of Ice at the time of a storm of an exceptional violence. However, the Ring of Barahir, thousand-year-old heritage of the House of Bëor, was not absorbed. Arvedui had indeed left it to the chief of Lossoth in thanks and later this last gave it to the Dunedains of North.