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Maruo Falls

Little knownBarely documented in English. This is the kind of place the site exists for.

調査・執筆 Hinato

waterfallhot spring waterfallKirishimanight illuminationsteam

Photo: Naokijp / Wikimedia Commons (CC BY-SA 4.0) · original

Maruo Falls (丸尾滝) is a 23-meter waterfall on the approach to Kirishima Shrine, unique among Japanese waterfalls because its water source is entirely from hot springs — the water cascading over the cliff is 40°C, creating steam at the base and producing a subtle sulfur aroma. The warm water sustains tropical plants around the falls despite Kirishima's cool highland climate.

The falls are illuminated nightly (18:00–22:00), creating a dramatic night-time spectacle as steam glows in the lights.

基本情報

営業時間

24 hours (free access). Night illumination 6:00 PM – 10:00 PM.

定休日: No closure

料金

Free

ベストシーズン

Winter for dramatic steam in cold air; autumn for surrounding foliage against the falls. Night illumination (18:00–22:00) is atmospheric year-round.

滞在目安

15–30 minutes for the falls viewing platform; combine with Kirishima Shrine (5-min drive) for a half-day Kirishima circuit

アクセス

アクセス情報

Maruo Falls, Kirishima City. Near Kirishima Iwasaki Hotel (free parking). Located on Route 223, a drive from Kirishima-Jingu Station. Free 24/7 access. Viewing platform right beside falls.

インサイダーガイド

**Night illumination:** The falls are lit with colored LEDs (18:00–22:00) — not to everyone's taste (some find it tacky), but the combination of glowing water, rising steam, and dark forest creates otherworldly atmosphere. Virtually no crowds after dark. The illumination is free; parking lot remains accessible after dark. **Warm water phenomenon:** Touch the water in the pool at the base of the falls — it's noticeably warm (30–35°C). In winter, the warm water prevents freezing and creates heavy steam clouds. The phenomenon is rare worldwide (most waterfalls are cold mountain streams). **Combine with shrine:** Maruo Falls is a drive from Kirishima Shrine. Ideal itinerary: Shrine visit (9:00–11:00), drive to falls, view falls, then proceed to Ebino Kogen crater lakes. This circuit covers Kirishima's highlights in a half-day.

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