It is known that Hoju-ji Temple continued to protect the adjacent tomb of Emperor Goshirakawa and, although the tomb is now separate from the temple, it has a water basin with the words "Hoju-ji Temple" written on it.
また現在は法住寺と分離されている隣接の後白河天皇陵内に『法住寺』と書かれた江戸時代の手水鉢があり、後白河天皇の陵を継続してまもってきたことが知られる。