Sandan-kyō (三段峡?) is a ravine in Japan.
Sandan-kyō is a 16-kilometer long ravine along "Shiwaki River" in Akiota, Hiroshima, one of tributaries of the famous Ōta River in Hiroshima, Japan.
Sandan-kyō is a part of Nishi-Chugoku Sanchi Quasi-National Park.
Sandan-kyō is known for autumn leaves and maples.
Coordinates: 34°34′30″N 132°10′00″E / 34.57500°N 132.16667°E