

The water in the pond comes underground from Aso, and since 2016 less of it has been arriving.
You walk round the pond and the lawn rises into a cone of earth: it is Fuji in miniature, and the route retraces the stages of the old road to Edo, that is, Tokyo. The water that fills the pond comes from the Aso massif by underground channels and wells up from the bottom. At the shrine inside the park you can take a sip from the well they call ‘water of longevity’, and that costs nothing.
In 1632 Hosokawa Tadatoshi, first lord of the Kumamoto domain, set up a tea house here; the garden in its present form was completed in 1671 by the third lord, Tsunatoshi. It is a stroll garden of about 73,000 square metres: the route recreates in miniature the celebrated sights of the Tōkaidō, the coastal road between Edo and Kyoto that Hiroshige had made famous with his prints. Inside the garden there is also Izumi-jinja, the shrine dedicated to the Hosokawa lords. Since 17 December 1929 it has been 名勝, a ‘Place of Scenic Beauty’ in the national register of cultural properties, and the ministry's record describes it as a garden of hillocks and stretches of water, with a spring that wells up inside the pond and has no equal. After the 2016 earthquake the flow of that spring dropped, and since 2026 volunteers have been going down into the pond to remove the gravel and clean the stones to bring it back.
ℹ️ Open every day 8:30–17:00, last entry 16:30. Tickets 500 yen for adults and 200 yen for children from 1 April 2026: ⚠️ the tourist pages that still give 400 yen are out of date, from before the price rise. The shrine inside the garden has no ticket of its own. In the Kokin-denju-no-ma, the pavilion inside the garden, they serve matcha with a sweet for 600 yen on chairs and 700 yen on tatami mats. The garden closed on 29 July 2026 for checks after the earthquake and reopened on the 30th with no damage to its structures; the notice of 29 August 2026 says it is on normal hours.
🚉 Shin-Suizenji · 14 min walk
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