Kōchi · Kochi City
Haruno-no-Yu Natural Onsen, Kōchi
天然温泉 はるのの湯（高知・春野）
A hot-spring complex on a rise in Haruno, Kōchi city, about 30 minutes by car from Kōchi Station, looking out over rice fields. Its big open-air bath fed by an abundant natural spring is the draw, with an indoor bath, a sand bath that warms you to the core, and in July–August a swimwear spa zone (pair baths, a children's spa and so on — ten in all), so families are many. Day bathing: adults ¥700, children ¥300, over-65s ¥500; open 10:00–21:00 (last entry 20:15), every day apart from occasional maintenance. The Haru Noie restaurant serves a weekly lunch, and a lodging wing with open-air-bath rooms starts at ¥8,650 with breakfast; being near the Haruno sports park it also hosts training camps. About 40 minutes by car from Kōchi Ryōma Airport, or 15 minutes on foot from the terminus of the Tosaden bus for JA Haruno; 60 parking spaces. A rare large open-air bath within Kōchi city, easy to fit between Katsurahama and the Niyodo Blue river.
- Price (adult)
- ¥700
- Hours
- 10:00–22:00 (last entry 21:00)
- Closed
- Open daily (2 maintenance closures a year of 3–5 days)
- Access
- Tosaden bus for JA Haruno (via Ueno 2-chōme and Kawanose) from JR Kōchi Station, about 50 min to the terminus then 15 min on foot; about 30 min by car from Kōchi Station; about 40 min from Kōchi Ryōma Airport
- Water type
- Simple spring
- Tattoos
- Ask ahead
- Admission
- Day bathing adults (junior high and up) ¥700, 65 and over and disabled visitors ¥500 (bring proof), 4 to elementary ¥300, under 3 free. The swimsuit spa zone (July and August only) is +¥300. The hyperbaric oxygen box costs extra. Towels rented, shampoo provided, lockers available. The restaurant 'Haru Noie' serves 11:00–14:00. Cash and cards
- Baths
- An onsen facility standing on high ground in Haruno, Kōchi, with rice fields spreading below. A broad rotenburo is its centre, with 11 kinds of tub indoors and out — a lying-down tub, a waterfall bath, a cave bath among them — plus a sand bath that warms the body to the core. In summer (July and August) a swimsuit spa zone opens (ten areas including a pair bath and a child spa, 12:30–18:30), bringing many families, and there is a hyperbaric oxygen box (charged) and relaxation facilities. Close to the Haruno sports park, so it is used for training camps too, and there is a lodging wing with rotenburo-equipped rooms (from ¥8,650 with breakfast)
- Spring water
- Haruno Onsen, a sodium-calcium chloride spring. Soft water, colourless to faintly tinted, gentle with good heat retention and so suited to a long soak. Indicated for neuralgia, muscle and joint pain, frozen shoulder, bruises, poor circulation and fatigue. The rotenburo sits on high ground and catches the breeze, and in winter the contrast of warm water and cold air is especially refreshing
- Access & parking
- By car 30 min from JR Kōchi Station, 15 min from Tosa IC, 40 min from Kōchi Ryōma Airport, 20 min from Katsurahama. Public transport: Tosaden bus for JA Haruno (via Ueno 2-chōme and Kawanose) from JR Kōchi Station, about 50 min to the terminus, then 15 min on foot. Free parking for 60 (and two large buses). Right beside the Haruno sports park
- Phone
- 088-894-5400
- Official site
- harunonoyu.jp ↗
- Open in Google Maps
- Google Maps ↗
Essentials
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Why go
- Big open-air bath above the rice fields
- Sand bath; summer swimwear spa zone
- ¥700; open daily; 30 min from Kōchi Station
A broad open-air bath looking down over the rice fields
Haruno-no-Yu Natural Onsen stands on high ground in Haruno, which appears some 30 minutes south of Kōchi Station by car, in Kōchi city. It is close to the city yet surrounded only by rice fields and hills, so from the bathhouse the fields spread wide in front of you and the wind crosses over them. At the centre is a broad rotenburo, with 11 kinds of tub indoors and out — a lying-down tub, a waterfall bath and a cave bath among them — so each member of a family can choose as they like. There is also a sand bath, where you bury yourself in sand warmed by the hot spring and sweat, an old way of bathing. In summer (July and August) a swimsuit spa zone opens, with ten areas including a pair bath and a child spa running from 12:30 to 18:30, and families with children are especially numerous (the spa zone is +¥300). A hyperbaric oxygen box (charged) and relaxation facilities are provided, and since the Haruno sports park is next door it is used for training camps and for recovery before and after matches. There is a lodging wing with rotenburo-equipped rooms from ¥8,650 with breakfast, and the restaurant 'Haru Noie' serves a weekly-changing lunch from 11:00 to 14:00. Admission is ¥700 for adults, ¥500 for those 65 and over and disabled visitors, and ¥300 for children from 4 to elementary — among the cheapest onsen in Kōchi city — and it is open year-round (two maintenance closures a year) until 10 p.m., so a late visit is easy too. It is a good onsen to slot into a Kōchi itinerary around Katsurahama and the blue water of the Niyodogawa.
The sand bath, the spa zone and a day among 11 tubs
Climb from the free car park (60 spaces) to the building, pay at the entrance (¥700 for adults) and use a locker. Towels can be rented and shampoo is provided. A recommended order: wash in the great bath and soak 10 minutes in the main tub; step outside to the rotenburo and spend 20–30 minutes moving between the lying-down tub, the waterfall bath and the cave bath while looking down over the fields; 10–15 minutes in the sand bath — bury yourself to the shoulders in sand warmed by the spring water and you will sweat, then rinse off afterwards; rest in the rest room or restaurant, then return to the rotenburo. The water is a sodium-calcium chloride spring, colourless to faintly tinted and soft, with little irritation, and its heat retention makes it especially warming in winter. In summer, adding the spa zone (+¥300, swimwear needed, 12:30–18:30) lets you bathe almost like playing in water with children, and half a day passes quickly — bring swimwear or check on site. The restaurant 'Haru Noie' opens only 11:00–14:00 (last order 13:30) with a weekly-changing lunch, so time your bath around it. In the lodging wing you can take a room with its own rotenburo and complete 'a day in the fields' with dinner and breakfast, and with the hyperbaric oxygen box (charged) and relaxation facilities some people come for recovery after sport. Notes: the restaurant serves lunch only; the spa zone runs only in July and August and needs swimwear; two maintenance closures a year (confirm by phone); the bus terminus is a 15-minute walk, so travellers without a car are better off with a taxi; cash and cards accepted. It is rare to find a rotenburo this large only 30 minutes from central Kōchi, and locals will tell you that 'for an open-air bath in Kōchi, it is Haruno'.
Practical details and a southern Kōchi route
Hours are 10:00–22:00 (last entry 21:00), open year-round (two maintenance closures a year of three to five days each); adults ¥700, 65 and over and disabled visitors ¥500, children ¥300, the spa zone (July and August) +¥300, free parking for 60. The restaurant serves 11:00–14:00 (last order 13:30). Access is 30 minutes by car from Kōchi Station, 15 from Tosa IC, 40 from Ryōma Airport, and 15 minutes on foot from the bus terminus. Suggested routes: (1) a day in Kōchi — Kōchi Castle and the Hirome Market in the morning, katsuō tataki for lunch, a bath at Haruno-no-Yu in the afternoon, back to the city in the evening; (2) Katsurahama plus Haruno — Katsurahama (the Sakamoto Ryōma memorial museum), Haruno-no-Yu, sunset on the Urado coast; (3) toward the Niyodogawa — the Niyodo Blue (Nikobuchi, Ino), recovering at Haruno-no-Yu, then Kōchi Station; (4) a family summer day — the spa zone in the morning, lunch in the restaurant, the sand bath and rotenburo in the afternoon; (5) sport — a match at the Haruno sports park, a bath, a night in the lodging wing. Notes: the official site gives hours until 22:00 (last entry 21:00) while some guides list a 21:00 close, so it is worth phoning before you go; the restaurant serves lunch only; two maintenance closures a year; the spa zone is summer only; cash and cards accepted. Haruno-no-Yu is 'the nearest large open-air bath to central Kōchi', and slots into the end of, or a break in, a Kōchi trip with high satisfaction.
Before you go
- No official tattoo policy is published — ask at reception.
- Ryokan day-use hours are limited and may be suspended in peak season — phone the same morning.
- Sand and steam baths are taken in a yukata — rent one or bring a T-shirt and shorts. You'll sweat, so hydrate.
- Payment is usually by ticket machine in cash — bring coins.
- Last entry is 30–60 minutes before closing.
Features
Only here
Rules & private
Mood & scenery
Price
Who with
Amenities
✔ Verified operating: 2026-09 Operating status and rates cross-checked against the official site and onsen guides (full source notes in Japanese on the JA page)
Prices and hours change. Check official sources before visiting.
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