Geosite List Home Geosite Port Ruins in Manago Port Ruins in Manago This is the ruins of a Manago-bune (boat) wharf that made the most of the landform of the riverbed made of Muro strata sandstones and mudstones. The Masago-bune was the main transportation for the Kozagawa Riverline up till 1945. Map Port Ruins in Manago 33.5825856,135.6884977,14 See in the map app