is a ravine in Japan noted for its beauty.
Taishaku Valley is an 18-km-long ravine along the Taishaku River, one of the tributaries of the Takahashi River in Shà Âbara and Jinsekikà Âgen, Hiroshima, Japan.
The valley is part of the Hiba-Dogo-Taishaku Quasi-National Park. It is known for autumn leaves and maples.