Seto Inland Sea National Park

This print depicts the Seto Inland Sea, the protected stretch of water enclosed by Honshu, Shikoku, and Kyushu, designated as one of Japan's earliest national parks in 1934. The Setouchi region is characterized by hundreds of small wooded islands, calm channels, and the muted light particular to this enclosed seascape. Nishiyama likely composes the scene with layered island silhouettes receding into haze, a treatment well suited to mokuhanga and to bokashi gradations that thin pigment toward the horizon. Foreground pines or shoreline rocks would anchor the design against the broad water, following a meisho-e convention inherited from Hiroshige and continued by shin-hanga landscape artists such as Hasui and Yoshida. The painterly handling typical of Nishiyama's nihonga-trained eye would emphasize atmospheric tone over linear contour. As a national-park subject, this print belongs to the cluster of scenic-region prints Nishiyama produced across his career, mapping onto the postwar revival of domestic travel imagery and the shin-hanga tradition of celebrated-place landscape.