Rikoka Hills is a location from Breath of the Wild.
The Rikoka Hillas are found just northwest of Kakariko Village and overlook the Millennio Sandbar to the north. There are some ruins in the area, with fairy lights moving around. Link can catch the lights to get a Korok Seed. Also in the ruins, there is a Rusty Broadsword stuck in the ground, as well as a treasure chest that contains another broadsword.
Nearby Korok Seeds
Catch the fairy lights.