Hayama Shrine is a sacred site where spiritual souls gather to pray. You can do the same, or respectfully observe others in worship.
If you're staying a while in Kesennuma, Hayama Shrine is a fine place to kick off your exploring. This sacred place is one of numerous attractions that'll keep you occupied here. Kesen Numa Rias Shark Museum, Tanaka Beach, and Kusushi Shrine are also waiting to be discovered close by.