Oya EscorterThe people who spread the Oya stone culture

Our hopes in spreading the Oya stone culture
Oya stone is a symbol of Utsunomiya. It is a part of our lives that connects people and things.
The Oya stone culture has been entrusted from the previous generation to the next.
We will continue to carry on this tradition by spreading the way of living, the industry, and the craftsmen of Oya stone.

Enishi Travel

Enishi Travel

Tours for OHYA UNDERGROUND can be purchased here.
We offer vacation packages for the Oya area, as well as accommodation & shinkansen (bullet train) packages.
Come and experience, taste, and feel Oya you have never known before.
☆Recommended for those who are looking for packaged deals such as with shinkansen (bullet train)

“We deliver smiles and excitements all over Tochigi Prefecture.
Come and experience our unique journey!"

  • Address254 Hei Nissatomachi, Utsunomiya City, Tochigi Prefecture (inside Farmers Forest Group)
  • Phone028-689-8782
  • Hours10:00-18:00
  • Websitehttp://enishi-travel.jp


Tour guides that are highly knowledgeable in Oya, Tochigi will provide you with a one and only experience.
We offer various activities in Oya such as exploring an off-limit underground space, rowing through an underground lake, hiking an undulating terrain, and touring an active quarry.

☆Recommended for those who want an out-of-the-ordinary experience

“Oya has superb views and mystical places that were created by nature and human. We deliver an extraordinary, beyond-your-typical tour that will only astonish you. Come and experience the 'ultimate spectacle' by 'OHYA UNDERGROUND'!"

  • Address254 Hei Nissatomachi, Utsunomiya City, Tochigi Prefecture 321-2118 (inside Farmers Forest Group)
  • Phone028-689-8782
  • Hours10:00-18:00
  • Websitehttp://ohyaunderground.jp/en/


Come and visit the grand landscape of “Kanehon” quarry, now part of the Japanese heritage. You can find activities that nowhere else offers. Such as exploring an active quarry or tasting pizzas made in the Oya stone oven as well as selecting your own Oya stone souvenirs.

☆Recommended for those who want to experience and feel the wonders of the stone industry

“You can actually feel Oya's history when you're surrounded by the 30m Oya rock that towers over you. This is a very rare place where there are not only quarries, but also factories, offices, houses, and gods of stone mountains all in one spot. Come and visit us to experience the real, active quarry!"

  • Address209 Oyamachi, Utsunomiya City, Tochigi Prefecture (inside KANEHON Ltd.)
  • Phone028-678-8802
  • Hours9:00-18:00
  • Websitehttp://www.kanehon.jp
City Guide Association

City Guide Association

Our tour covers the entire Utsunomiya City, with a focus on the Oya area.
We provide about 1,000 tours every year where visitors are immersed in the Oya stone culture.

☆Recommended for those who want to learn about Oya stone culture in the Oya area

“Would you like to experience the fascinating Oya stone culture? We want you to discover not only the classic underground labyrinth but also the history and lives of people who work there by walking through the Oya area with us. You just might find Utsunomiya or Japan that you have never known before. Come and join us on a journey of discovery!

  • Address3-1-4 Chuo, Utsunomiya City, Tochigi Prefecture
  • Phone080-7754-1965Fax: 028-645-3041
  • Hours9:00-17:00
Bunkazai Volunteer Committee

Bunkazai Volunteer Committee

We offer tours filled with history and culture of Utsunomiya, focusing around Utsunomiya Castle and the city center of Utsunomiya City.
We provide free tours to 12,000 visitors every year, including locals.

☆Recommended for those who want to learn about the culture and history of Utsunomiya, or are unable to travel to Oya due to time constraints.

"There are many elements related to Oya stone culture in the center of Utsunomiya city which is just outside the Oya area. We'll take you to hidden spots that even locals aren't aware of. Feel free to contact us if you would like to arrange a personalized tour."

  • AddressUtsunomiya Castle Guidance Facility Monoshirikan, 1-15 Honmarumachi, Utsunomiya City
  • Phone028-638-9390 (inside Utsunomiya Joshi Park Seimeikan)
  • Hours9:00-17:00