Rurikei is located in Sonobe-cho, Nantan City, Kyoto Prefecture, and is a valley spanning four kilometers where the Sonobe-gawa River, a tributary of the Oi-gawa River, runs through the area.
るり渓（るりけい）は、京都府南丹市園部町に位置し、大堰川支流、園部川が流れる全長4kmの渓谷である。