Nakayama-sha Shrine located around the boundary between the two mountains was called "Utsu shi Shrine," and the area around the shrine was called "Chimata-yama (everybody's mountain)" and was a mountain shared by people in both villages.
その境界付近にある中山社は「うつしの宮」と呼ばれており、周辺は「ちまた山」として両村の入会山であった。