Chatsubomigoke Moss Park
Open by month
Closed in January. Closed for snow from December to mid/late April; opens mid-to-late April. New Year (Dec 29 – Jan 3): closed.
Closed in February. Closed for snow from December to mid/late April; opens mid-to-late April.
Closed in March. Closed for snow from December to mid/late April; opens mid-to-late April.
Partly closed in April: Closed for snow from December to mid/late April; opens mid-to-late April.
Open in May. No seasonal closure recorded.
Open in June. No seasonal closure recorded.
Open in July. No seasonal closure recorded.
Open in August. No seasonal closure recorded.
Open in September. No seasonal closure recorded.
Open in October. No seasonal closure recorded.
Open in November. No seasonal closure recorded.
Closed in December. Closed for snow from December to mid/late April; opens mid-to-late April. New Year (Dec 29 – Jan 3): closed.
Checked against the official site on 2026-10-12.
Bright green Chatsubomi moss carpets an acidic stream in the Anajigoku hollow, on the site of a former iron mine. Three small falls are nearby.
Natural Monument; Ramsar wetland group
Nearby
- Lake Nozori ≈ 20 min by car
- Shiriyaki Onsen ≈ 20 min by car
- Kusatsu Onsen Yubatake ≈ 25 min by car
- Manza Onsen ≈ 30 min by car
- Akaiwa District (Kuni, Nakanojo) ≈ 35 min by car
Travel times are rough estimates by car.
- Closed or limited
- Closed for snow from December to mid/late April; opens mid-to-late April
- Getting there
- About 15 min by taxi from Kusatsu Bus Terminal; 45 min from JR Naganohara-Kusatsuguchi
Easier with a tour or car - Fee
- ¥800
- Good to know
- Register at the reception first; no shuttle bus
- Time needed
- 2 h
Checked against the official Japanese website on 2026-10-12. Report outdated info