Teshikaga, Hokkaido / 屈斜路湖(砂湯)
Lake Kussharo (Sunayu)
Japan's largest caldera lake, 57 km round and the largest in Akan-Mashu National Park, with Nakajima island, the Wakoto Peninsula and open-air hot springs along its shore; canoeing and windsurfing are also possible.

Last official check
26 Sept 2026
Traveler reports
0
Reports open in Phase 2
Next scheduled check
25 Dec 2026
Decide before you go
A short summary made from the official facts below. Check the rows for details.
- Getting there
- Train / Car
Before you go
Only facts we confirmed on official sources are shown. Anything else is marked “Not checked yet”.
- Opening hours
Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.
- Closed
Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.
- Admission
Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.
- Getting there
About 15 minutes by car from JR Kawayu-Onsen Station; about 70 minutes by car from Memanbetsu Airport.
Checked 26 Sept 2026 on the official site- Parking
140 free spaces.
Checked 26 Sept 2026 on the official site- Payment
Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.
- Accessibility
Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.
Found wrong or outdated information? Let us know
Address: Teshikaga, Hokkaido (Japanese address: 北海道川上郡弟子屈町屈斜路湖畔砂湯)
Official site: https://www.visit-hokkaido.jp/spot/detail_10182.html
Location
Smaller pins are other spots nearby.
Nearby spots
Distances are straight-line distances, not travel distances.
Crowds
- Crowd level
Not checked yet — no official source yet, and not enough traveler reports.
- Best time to visit
Not checked yet — no official source yet, and not enough traveler reports.
- Peak time
Not checked yet — no official source yet, and not enough traveler reports.
- Busiest days
Not checked yet — no official source yet, and not enough traveler reports.
- Busiest season
In winter, pressure ridges (omiwatari) sometimes form on the frozen lake.
Checked 26 Sept 2026 on the official site- Latest traveler report
- None yet
Traveler crowd data by time of day appears after 5 traveler reports (0 so far).
You can check typical busy hours in Google Maps ("Popular times" on the place's page). Open this spot in Google Maps
Verification log
- 26 Sept 2026First check · Tourism board · https://www.visit-hokkaido.jp/spot/detail_10182.htmlAccess, parking, description and coordinates read from a tourism organization's site.

