A hot spring area on the Pacific coast. Kojohama, Shiraoi Town
| From Tomakomai Station | By car about 40 min (about 39 km by road) Estimated from road map data. Traffic lights, congestion and winter roads can make it take longer. |
|---|---|
| Area | Shiraoi, Noboribetsu, Muroran & Toya |
| Our photos | 2016 |
| Map | Route from Tomakomai Station / Open map |
What is Kojohama Onsen like?
Kojohama is a hot spring area on the coast of Shiraoi Town. Hot spring inns and day-use bathing facilities facing the Pacific Ocean are scattered along the shore. It is also known for producing cod roe (tarako).
Also in Shiraoi Town is “Upopoy” (National Ainu Museum and Park, the Symbolic Space for Ethnic Harmony), a national facility that passes on Ainu culture.
Getting there from Tomakomai and travel time
From JR Tomakomai Station, it takes about 40 min by car. The distance is about 39 km by road.
Travel times are estimates based on the road distance from map data (OpenStreetMap), assuming an average speed of about 55 km/h (about 70 km/h for routes longer than 40 km). Traffic lights, traffic jams and winter road conditions can make the trip longer. Please check the latest road information before you go.
How people living in Tomakomai can enjoy it
Drive west along the coast from Tomakomai, and you can go for a hot spring bath as a day trip. Our president used the hot springs in Kojohama in the winter and spring of 2016.
Having an easy hot spring nearby is a big pleasure in Hokkaido life, where the cold seasons are long.
Our photo record
Our president visited in February 2016 and May 2016 and recorded about 481 photos.
This page was machine-translated. The Japanese original prevails.
Photos: Banana House Inc. (taken by our president). Do not reuse without permission.
Our photo records and timestamp certificates
The 12 photos in this article were taken on site by our president. We list the SHA-256 hashes of the published files and have them signed by timestamp authorities (DateSealed, DigiCert, Sectigo)(First certified: 2026-11-03 12:40 JST). A signature shows that the same file existed before that time; it does not prove the date the photo was taken.
You can check the signature and hash of each photo from its timestamp certificate. To see whether a photo you saved matches our records, use the photo timestamp verification page (Japanese) .
Frequently asked questions
Where is Kojohama?
It is on the Pacific coast of Shiraoi Town, near the border with Noboribetsu City.
Nearby spots
- Noboribetsu Onsen (about 7 km in a straight line / from Tomakomai Station about 40 min)
- Inkura Falls (about 22 km in a straight line / from Tomakomai Station about 45 min)
- Cape Chikyu and Tokkarisho, Muroran (about 25 km in a straight line / from Tomakomai Station about 1 h)
Looking for a home or selling in Tomakomai?
“Lake Shikotsu or Noboribetsu on weekends”, “I want to live near the airport”: we suggest areas that fit the way you want to live. We also help with selling and vacant houses.
Banana House Inc., 1-1-1 Honkocho, Tomakomai. We never use pushy sales. Please write in English or Japanese.