丹沢モチコシ鉱山(モチコシ沢源頭部鉱山)は神奈川県足柄上郡山北町にあった鉱山。 武田金山の跡との噂もある。 坑口跡が残る。
Tanzawa motocosi mine (Mokoshoshi Sawengen head mine) was a mine located in Yamakita-cho, Kanagawa prefecture Ashigami-gun. There are rumors that it is a trace of Takeda Kanayama. The remains of the well head remains.