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Sawada park open-air bath

沢田公園 露天風呂さわだこうえん ろてんぶろ

A single rock bath on a cliff above Suruga Bay

Other
Dogashima Onsen
Chubu·Shizuoka
0558-52-2400ikoyo-nishiizu.jp

Day Use

Yes
Mon
Tue
WedClosed
Thu
Fri
Sat
Sun

Day-use hours change with the season: 9:00 to 19:00 from March to May and in September, 9:00 to 20:00 from June to August, and 9:00 to 18:00 from October to February (last entry 30 minutes before close). The bath may also close without notice in bad weather.

¥600

Discounted rates for Nishiizu town residents: adults 400 yen, children 200 yen, ages 65 and up 200 yen (non-resident adults are 600 yen, children 200 yen). Several 2026 visitor reviews mention a separate 100 yen coin-locker fee for the changing room.

Bathing & Water

Natural onsen water

Uses natural hot spring water

Outdoor BathYes

Open-air outdoor bath

Bathing Arrangements

Mixed BathingNo

Shared bathing area for all genders

The baths are separated by gender; no mixed bathing is offered.

Policies & Services

KidsYes

Welcomes children and families

WashingNo

Shower, wash stations, soap and shampoo provided

Soap and shampoo may not be used (wastewater drains toward the sea).

ParkingYes

On-site or nearby parking available

Water treatment

Not disclosed
from Article 18 disclosure
  • Added water
    Not disclosed
  • Reheated
    Not disclosed
  • Recirculated
    Not disclosed
  • Disinfected
    Not disclosed
  • Bath additives
    Not disclosed

仁科・堂ヶ島5号・仁科・堂ヶ島16号 混合泉

Nishina-Dogashima No. 5 & No. 16 Mixed Spring

Operated by · 沢田公園露天風呂

Mixed source

硫
Sulfate
Hot source · 82°C
Known good for
  • Aches & jointsstiff shoulders
  • Circulationtired legs
  • Smooth skindry, rough skin

A blended source: the Nishina-Dogashima No. 5 and No. 16 wells are combined, and the sample is taken at the town's hot-water distribution point rather than at a wellhead. The chemistry is a calcium- and sodium-led sulfate spring — settled, mineral-rich water of moderate mineralization, about 2,290 mg/kg of dissolved matter with sulfate dominating the anions. At pH 8.8 it is alkaline enough for the soft, faintly slippery feel that places it in Japan's beauty-water family. The certificate classifies the source itself as a high-temperature spring; at the point of use the water reaches the bath at 40.5 °C.

Sampled at mixing tank·Analyzed May 28, 2012·一般財団法人静岡県生活科学検査センター

Explore the water

Views

Sea

About

This is a single small hot-spring rock bath (iwaburo, 岩風呂) built onto a clifftop above Suruga Bay, split into separate baths for men and women on either side of the stairs up from the parking lot. There's no washing area; the runoff drains straight to the sea, so soap and shampoo aren't allowed, just rinse and soak. It's one of several day-use baths run by Nishiizu town, but the setting is what makes it stand out: right on the cliff edge, with nothing between you and the water. Reviewers often have it to themselves, and some mention recognizing it from the anime Yuru Camp△ (ゆるキャン△).

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SM
Sergey M
1 year ago

248. Sawada Park Open-air Bath, Izu Public onsen on the shore for 600, listed hours 09:00–20:00 (except Wed). There's a cool staircase climb up to the bath. They stamp the 60 Onsen of Shizuoka 24/25 booklet. Online photo matches. Bath with a bay view, though there's a wooden fence with beams. It looks acceptable. But the main feature is that in front of the fence there's a spot where you can stand up and take in the views from the edge, which are truly spectacular. No body wash or shampoo. Clear water with occasional lime deposits. Temperature 40.5. Interesting place — if you're nearby, worth a visit.

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Last updated September 19, 2026