Iwaki Coal and Fossil Museum (Horuru)
A coal and fossil museum where a plesiosaur found by a local student greets you.
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Iwaki Coal and Fossil Museum (Horuru)
SaveA coal and fossil museum where a plesiosaur found by a local student greets you.
Inside, a mock pit tunnel built with real mine framing shows how coal was cut in each era.
MoreWhat kind of place
The museum sits in Iwaki, a former coal-mining region, and it pairs that mining history with the fossils dug out of the same ground.
Just inside the entrance stands the fossil of Futabasaurus suzukii, a long-necked marine reptile found nearby in 1968 by a local high school student.
Past it you walk through a mock mine tunnel, built to feel like being 600 meters underground. A separate hall recreates miners' housing from the mid-1930s, along with a communal kitchen from just after the war.
Sources and evidence (13)
- Diaper changes are done on the changing table in the multipurpose restroom.source
- There is no nursing room, so tell a staff member when you would like to nurse.source
- The community space behind the museum shop is free to enter, so you can sit and rest there without an admission ticket.source
- You can re-enter on the same day, and you tell a staff member on your way out.source
- Photography for personal use is allowed in the exhibition rooms, with no application or permission needed, as long as you are not in other visitors' way.source
- An English pamphlet is available (there is no mention of multilingual audio guides or English-speaking staff).source
- The entire grounds are non-smoking, with no smoking area anywhere on site.source
- Pets cannot come inside, though guide dogs, service dogs, and hearing dogs are allowed.source
- Parking holds 85 cars and 8 large vehicles (lot 1 has 8 large-vehicle spaces and 34 car spaces, lot 2 has 51 car spaces) and is open only from 9:00 to 17:00.source
- Right inside the entrance is the fossil of Futabasaurus suzukii, discovered in Iwaki in 1968 by a local high school student.source
- The mine tunnel is a passage built to feel like descending 600 meters underground, held up by the same wooden supports used in real mines, and it shows how coal was cut in each era from the earliest days to modern times.source
- The daily-life hall recreates coal miners' housing from around the mid-1930s along with a postwar company welfare office and communal kitchen.source
- The film room screens several archival films about the coal mines each day, and the lineup changes from time to time.source
With kidsThe part that matters
If a full museum day sounds like too much, this one is small enough to see in about an hour, which leaves the afternoon open.
Kids can walk through a coal mine tunnel rebuilt indoors, held up by the same framing used in the real mines.
There is no restaurant inside, so bring lunch and eat it in the community space behind the museum shop, where you can sit down without an admission ticket.
Preschoolers get in free, elementary-school children pay 330 yen and adults 660.
Sources and evidence (4)
- An elevator drops you into the mock pit, past talking miner figures. Many fossils touchable. Adults ¥660, about an hour.source
- Kids of 10, 7 and 5: dim halls full of bones scare four-year-olds. 70 minutes in the play room, then an hour inside.source
- By a local: 85 parking spaces close to the door, 60-120 minutes inside, and a warning that the pit scares some children.source
- Sign up 30 min ahead, first come first served: 10:00 and 13:30 weekends, daily in holidays. An hour chipping at rock.source
By age0-1 / 2-3 / 4-6
- Ages 0-1Just inside the entrance stands the fossil of Futabasaurus suzukii, a long-necked marine reptile, there to look up at from your arms. Preschool children get in free. You can re-enter the same day, so stepping out for a break and coming back costs nothing.There is no nursing room; tell a staff member when you need to feed. Diaper changes are done on the changing sheet in the multipurpose restroom. The building is barrier-free and wheelchairs can be borrowed. There is no restaurant inside, so bring what you want to eat and use the community space behind the museum shop, which is free to enter and open to you without an admission ticket.
- Ages 2-3The mock pit tunnel is a passage built to feel like descending 600 metres underground, framed with the same timbering as a real mine, and you walk right through it. The Living Hall has a 1930s miner's house and a postwar communal kitchen rebuilt in full. Photos are fine in the exhibition rooms for personal use, with no form to fill in.Reckon on 40 minutes to an hour for the exhibits; that does not include time in Iwaki Kids Morimori, the free indoor play space inside the building. Morimori's closed days run separately from the museum's own, and its conditions of use — age range and so on — are not published, so check the notice on the official site for your date. Last admission is 16:30 and the museum closes at 17:00. It is shut on the third Tuesday (the next day if that falls on a public holiday) and on 1 January, and snow or a storm warning can bring an unscheduled closure or an earlier closing time.
- Ages 4-6The ammonite strap workshop uses a real ammonite fossil 150 million years old (1,300 yen for materials, about an hour). The amber workshop is hand work — sanding a piece down and polishing it (1,800 yen, about an hour). And the big fossil at the entrance was found in 1968 by a local high school student.The workshops cannot be booked ahead. Each session takes 10 people, first come first served, signed up at the first-floor reception 30 minutes before it starts — from 9:30 for the 10:00 session, from 13:00 for the 13:30 one. They run at 10:00 and 13:30 on Saturdays, Sundays and public holidays, and daily during the summer, winter and spring school holidays; other events can cancel them, so confirm by phone or email. Guided commentary is for groups of ten or more booked in advance, so on a family visit pick up the English pamphlet at reception. Admission is free for preschool children and 330 yen for elementary school children.
By weatherRain, heat, cold
- Rainy dayThe exhibits are indoors: a mock mine shaft built to feel like descending 600 meters, and a reconstructed coal miners' house from around 1935. Note that the museum closes without notice or shifts its closing time when it snows or a storm warning is issued.
- Hot dayNot checked yet
- Cold dayNot checked yet
Time needed40 min–1 h
How was it with your kids?
Not greatGreat
- ElevatorElevator：not checked
- Stroller OKStroller friendly：not checked
- RentalStroller rental：not checked
- NursingNursing space：none
- ChangingDiaper changing table：with conditionsconditions
- Family WCFamily restroom：with conditionsconditions
- Own foodOutside food allowed：with conditionsconditions
- EnglishEnglish support：with conditionsconditions
* Other not checked (3)
Indoor / outdoor, Diaper disposal bin, Kids' toilet seat & step stool
Green = we confirmed it. Gray = not checked yet. Gray with a line through = the place does not have it.
Worth a look before you go
Japanese · opens translatedFirst-hand
An elevator drops you into the mock pit, past talking miner figures. Many fossils touchable. Adults ¥660, about an hour.
Solo to Iwaki-Yumoto (1): the Coal and Fossil Museum, and its time-slip mine
Japanese · opens translatedFirst-hand
Kids of 10, 7 and 5: dim halls full of bones scare four-year-olds. 70 minutes in the play room, then an hour inside.
Is it all right with kids? The Coal and Fossil Museum and Iwaki-Yumoto Onsen
Japanese · opens translatedGuide
By a local: 85 parking spaces close to the door, 60-120 minutes inside, and a warning that the pit scares some children.
A full guide to Horuru: how long it takes, how busy it gets, where to park
Japanese · opens translatedFirst-hand
Sign up 30 min ahead, first come first served: 10:00 and 13:30 weekends, daily in holidays. An hour chipping at rock.
Horuru: making an ammonite specimen, the dinosaur halls, and what is nearby
Iwaki Coal and Fossil Museum (Horuru) · Links & reads ▾
Where to go next
Where it is
3-1 Mukaida, Joban-Yumotomachi, Iwaki-shi, Fukushima 972-8321source
Before you go
- The building is barrier-free and wheelchairs can be borrowed, though the museum doesn't say how many it has or whether you can reserve one.source
- Guided tours are offered only to groups of 10 or more, booked in advance, so a family on its own can't arrange one.source
- Hands-on workshops (about an hour; materials 1,300-1,800 yen) run at 10:00 and 13:30 on weekends and public holidays, and daily during Japanese school breaks. You cannot book ahead: sign up in person at the first-floor reception 30 minutes before the session (9:30 or 13:00). Each session takes 10 people.source
Basics
- Fee: Adults ¥660, students (junior high to university) ¥440, elementary ¥330; preschoolers free. Group rates (¥590/400/300) start at 20 people. All ten listed discounts require a Japanese membership card or certificatesource
- Hours: 9:00-17:00 (last entry 16:30); closed the third Tuesday (next day if a public holiday) and 1 January. Snow or storm warnings can close it or change closing timesource
- Time to allow: 40 min–1 hsource23
- Booking: No reservation needed to visit. Guided explanations are for groups of 10 or more and must be booked in advancesource
Basics in detail (14)
- The museum is open 9:00 to 17:00, and the last entry is 16:30 — half an hour before closing.source
- It closes on the third Tuesday of each month (the following day when that Tuesday is a public holiday or a substitute holiday) and on January 1, with no regular weekly closing day.source
- Snowfall or a storm warning can bring an unscheduled closure or an earlier closing time, so check before you go in winter or in rough weather.source
- Workshops run twice a day at 10:00 and 13:30 on weekends and public holidays, and daily during the summer, winter, and spring school breaks, but other events sometimes cancel them, so confirm by phone or email.source
- Admission is 660 yen for adults, 440 yen for junior high through university students, and 330 yen for elementary school students, while preschool children enter free.source
- The group rate (590 yen for adults, 400 yen for junior high through university students, 300 yen for elementary school students) starts at 20 people, so a family cannot use it.source
- The high school and university rate requires a student ID or similar proof.source
- Free entry for people aged 65 and over, and free weekend entry for schoolchildren who live or study in Iwaki, both require proof such as a health insurance card, a driver's license, or a certificate of enrollment, and both are limited to Iwaki residents, so travelers do not qualify.source
- People holding a Japanese disability certificate (physical, developmental, or mental) enter free along with one caregiver, and the certificate must be shown at the entrance.source
- You can visit the museum shop alone without paying admission by saying at the ticket window that you are going to the shop only.source
- The ammonite strap workshop costs 1,300 yen for materials and takes about an hour, using a real ammonite fossil roughly 150 million years old.source
- The amber (copal) accessory workshop costs 1,800 yen for materials and takes about an hour, and the work is hands-on sanding and polishing.source
- All ten admission discounts (JAF, the childcare support passport, the Maruto CoGCa card, Happy Work, Tetsuentai, the Fukushima Fan Club, the Fukurum card, the Fukushima volunteer firefighter support program, Times Car Plus, and the Fukushima Prefecture notebook) require showing a Japanese membership card or certificate at the ticket window, so none of them are usable by visitors from abroad.source
- Plan on 40 minutes to an hour for the exhibits, which is well short of half a day.source
Once you've decided
evidence & sources (6)
The museum sets the history of the Joban coalfield beside fossils dug from Iwaki. A plesiosaur, Futabasaurus suzukii, found by a local high-school student in 1968, greets visitors in the entrance hall. The mock pit tunnel is framed like a working mine and shows cutting methods in chronological order. Workshops making ammonite straps or amber accessories cannot be booked: sign up at the first-floor desk thirty minutes before a session. There is no restaurant inside, so bring food and eat in the free space behind the shop.
| Stroller friendly | Not checked yet | ||||
|---|---|---|---|---|---|
| Diaper changing table | Yes | A changing sheet in the multipurpose toilet; the number of locations is not stated | Web-checked | checked Aug ’26 | sekitankasekikan.or.jp |
| Nursing space | No | There is no nursing room. Speak to a staff member when you need to feed | Web-checked | checked Aug ’26 | sekitankasekikan.or.jp |
| Indoor / outdoor | Not checked yet | ||||
| Family restroom | Yes | A wheelchair-accessible multipurpose toilet, which also holds the changing sheet | Web-checked | checked Aug ’26 | sekitankasekikan.or.jp |
| Diaper disposal bin | Not checked yet | ||||
| English support | English menu & signs | An English pamphlet is available; English-speaking staff or audio guides are not mentioned | Web-checked | checked Aug ’26 | sekitankasekikan.or.jp |
| Outside food allowed | Yes | There is no restaurant inside. Bring your own to the free community space behind the museum shop | Web-checked | checked Aug ’26 | sekitankasekikan.or.jp |
| Kids' toilet seat & step stool | Not checked yet | ||||
| Elevator | Not checked yet | ||||
| Step-free route | Yes | The building is barrier-free and wheelchairs can be borrowed (number and booking not stated) | Web-checked | checked Aug ’26 | sekitankasekikan.or.jp |