Oya History Museum (Oya Stone Quarry)
Open by month
Partly closed in January: Closed Tuesdays Dec–Mar; closed Dec 26–Jan 3. New Year (Dec 29 – Jan 3): closed.
Partly closed in February: Closed Tuesdays Dec–Mar; closed Dec 26–Jan 3.
Partly closed in March: Closed Tuesdays Dec–Mar; closed Dec 26–Jan 3.
Open in April. No seasonal closure recorded.
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.
Partly closed in December: Closed Tuesdays Dec–Mar; closed Dec 26–Jan 3. New Year (Dec 29 – Jan 3): closed.
Checked against the official site on 2026-10-12.

A vast former underground quarry of Oya stone: about 20,000 square metres of space up to 60 m below ground, cool all year.
Nearby
- Oya Rock Formations (Otomeyama & Koshijiiwa) ≈ 10 min by car
- Oyaji Temple (Oya Kannon) ≈ 10 min by car
- Nikko Cedar Avenue ≈ 50 min by car
- Tochigi City Kuranomachi (Storehouse Town) ≈ 1 h by car
- Rinnoji Temple and Taiyuin Mausoleum ≈ 1 h by car
Travel times are rough estimates by car.
- Closed or limited
- Closed Tuesdays Dec–Mar; closed Dec 26–Jan 3
- Getting there
- About 30 min by Kanto bus (for Tateiwa) from JR Utsunomiya Sta. west exit to Shiryokan-iriguchi, then 5 min walk
- Fee
- 800 yen (children 400 yen)
- Good to know
- 9:00–17:00 (Dec–Mar 9:30–16:30); closed Tuesdays Dec–Mar. Bring a jacket
- Time needed
- 1 h
Checked against the official Japanese website on 2026-10-12. Report outdated info