Photo information
Nassa Onsen
We leave the space empty rather than use another onsen's photo or a generated image. If you have a usable photo, use the suggestion form.
Save to passport
Official classification
Spring type (therapeutic classes)
Official spring-type name (as recorded)単純硫化水素泉
- Source temperature
- Unconfirmed
- pH
- Unconfirmed
- Flow rate
- Unconfirmed
- Radon
- Unconfirmed
Appearance & feel
Water colour · Feel
Silky / slippery
Colour and feel are listed only where a source states them. They vary by day and by bath.
This area has basic information only. In-depth articles are being added.
Facilities in this area
Facilities come from the register (Wikipedia, OpenStreetMap, official sites). Those marked "natural spring unconfirmed" are listed on the basis of their name only.
No facility information yet.
Getting there
Reachable by public transport
電車：JR紀勢本線湯川駅下車、自動車：阪和自動車道南紀田辺ICを下車してから国道42号を南下
- Checked
- no check date
Visitor reviews
No reviews yet. While the review platform is being prepared, we do not display fictional reviews or ratings.
Review posting is in preparation, with visit date, facility, comments on water, scenery and access, photos, language and reporting.
Onsen areas nearby
Photo information
Photo information
めざめ温泉
めざめ温泉
7 km
Kushimoto Onsen
Kushimoto Onsen
20.3 km
Kumanogawa Onsen
Kumanogawa Onsen
21.1 km
Yunohana Onsen
Register sources
- 夏山温泉 - Wikipedia(日本語版)Wikipedia · CC BY-SA 4.0 · 2026-10-09
- Wikidata Q11429970Wikidata · CC0 · 2026-10-09
Data status
Name & locationPublishedCoordinatesPublishedSpring typePublishedPhotosIn preparationFacilitiesIn preparationVisiting info (dated)In preparationEditorial articleIn preparation
Updated 2026-10-09
Suggest a correction or addition