Nan Elmoth is a fictional forest in J.R.R. Tolkien's legendarium, specifically found in Middle-earth. It is located in the region of Beleriand and is known for its dark, dense trees and mysterious atmosphere. The forest is home to various creatures and is associated with the Elves, particularly the Sindar and Nandor. The name "Nan Elmoth" translates to "Valley of Elms," reflecting the prominent elm trees that grow there. This area plays a role in the stories of the Silmarillion, where it serves as a backdrop for significant events involving characters like Lúthien and Beren.