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Shirahama Undersea Observation Tower: Day Trip from Osaka (115 km) – Location & Nearest Station

Last updated: 2026-09-17

Shirahama Undersea Observation Tower is a tower in Shirahama, Wakayama Prefecture, about 115 km in a straight line from Osaka Station. That distance puts it within day-trip range of Osaka for most travellers, depending on train connections.

Shirahama Undersea Observation Tower
Photo: 663highland, CC BY 2.5, via Wikimedia Commons
TypeTower
Name in Japanese白浜海中展望塔
LocationShirahama, Wakayama Prefecture
Nearest station (straight line)Shirahama Station – about 4.8 km
From Osaka Stationabout 115 km (straight line)
From Kyoto Stationabout 151 km (straight line)
From Nagoya Stationabout 218 km (straight line)
Coordinates33.67612, 135.33577
MapOpen in Google Maps
Official websitehttps://www.keyterrace.co.jp/facility/#observatory

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Source: location data from Wikidata (CC0). Distances are calculated by this website.

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We are working to carry Japanese craft and everyday culture beyond Japan, by building Japan Towns with local partners. Read the plan, or tell us if it resonates.

Read the Japan Town →