Mithrim.

Subdomain of Hithlum. In the South-East of Hithlum between the Eastern wall of Ered Wethrin and its spur the Mountains of Mithrim is the area of Hitlum called Mithrim. In the North of Hitlum is the Lake Mithrim. In Mithrim ( and Hithlum ) dwelt Fingolfin. Mithrim was it its widest; North, 75 Miles, from North to South 55 Miles. Mithrims climate was the same as Hithlums the air was cool and the winters was cold but it was a fair land.