Fear Mountain is a location in Fire Emblem Gaiden and its remake, Fire Emblem Echoes: Shadows of Valentia. It is located in the bottom-central portion of Rigel and can be accessed in the beginning of Act 4 in Alm's route.

Fear Mountain consists of three separate locations: Fear Shrine, Fear Mountain, and Nuibaba's Abode. While there is no specific boss of the Fear Shrine, the bosses on Fear Mountain and Nuibaba's Abode are Marla and Nuibaba, respectively.