Kiyozumi Tunnel Chiba: 1.5 km Heart-Shape Light Tunnel

Niigata Toyama Ishikawa Fukui Yamanashi Nagano Gifu Shizuoka Aichi

Nomizo (Kameiwa) Falls Tunnel in Chiba's Kiyosumi area is famed for the heart-shaped morning light reflecting off the cave pool. 1.5 km trail; 8:30–17:00.

Highlights

Kiyotsukyo Gorge Tunnel (Tunnel of Light): Quick Overview: The Kiyotsu Gorge Tunnel is a 750 m walkway tunnel that lets you enjoy one of Japan’s three great gorges as an “art space + scenic viewpoint,” even on rainy or snowy days.
Top Highlight: Panorama Station (Tunnel of Light): At the far end, the “Panorama Station” uses mirrored stainless-steel reflections to amplify the gorge scenery, creating an otherworldly feel.
Art Along the Tunnel Route: Contemporary art installations appear throughout, and are introduced as highlights that create striking contrasts of light and shadow in the darker space.
Seasonal Gorge Scenery: In spring it’s fresh greenery, in summer a cool atmosphere, in autumn fall colors, and in winter snowy views—an ethereal landscape shaped by light.
Access Essentials: Echigo-Yuzawa Station → about 25 minutes by Minami-Echigo Kanko Bus to “Kiyotsukyo Iriguchi,” then about a 30-minute walk. By car, it’s about 25 minutes from Shiozawa-Ishiuchi IC (Address: 2119-2 Koideko, Tokamachi).
Opening Hours & Admission: Hours vary by season (High: 4/21–11/20; Off: 11/21–4/20). In winter, shortened hours may apply (example: 9:00–16:00, last entry 15:30). Fees are listed as: General—High 1,200 yen / Off 1,000 yen; Elementary & junior-high—High 500 yen / Off 400 yen; preschoolers free. On busy days, entry may be limited to advance reservations, so it’s best to check official information before visiting.
Experience Notes: The tunnel is described as pet-friendly (rules such as a leash of 1 m or less must be followed), and it’s said to stay open in winter so you can enjoy snowy scenery.

For the latest information, please refer to official announcements or check on site.

What Is the Kiyotsu Gorge Tunnel?

Located in Tōkamachi City, Niigata Prefecture, the Kiyotsu Gorge Tunnel (清津峡渓谷トンネル, Kiyotsukyō Keikoku Tunnel) is a popular sightseeing spot where the great nature of Kiyotsu Gorge—one of Japan’s three great gorges—blends with contemporary art.

At the end of the 750-meter-long tunnel, you’ll find beautiful gorge scenery that changes with the seasons, and the site is also popular as an Instagram-worthy photo spot.

For the 2018 Echigo-Tsumari Art Triennale, the interior of the tunnel was renewed as the artwork “Tunnel of Light” by the Chinese architecture group Ma Yansong / MAD Architects.

The “Panorama Station” at the far end of the tunnel is especially famous for its breathtaking gorge views reflected like a mirror, captivating visitors.

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Top Highlights of the Kiyotsu Gorge Tunnel

Panorama Station (Spectacular Mirror Reflection View)

The “Panorama Station” at the very end of the tunnel is the tunnel’s biggest highlight.

A thin layer of water spread across the floor, together with stainless steel walls and ceiling, reflects the V-shaped Kiyotsu Gorge almost like a mirror.

Many visitors step into the water to take photos, so bringing a change of socks and a towel is recommended.

Fusion of Contemporary Art and Nature

Inside the tunnel, there are three viewing points, each featuring artworks themed around the five elements of nature (wood, earth, metal, fire, and water).

The second viewing point also has a toilet that doubles as an art installation, making it a unique photo spot in itself.

Seasonal Highlights

Spring (late April to May): Enjoy fresh greenery coloring the gorge and the powerful streams fed by melting snow.
Summer (June to August): The tunnel stays cool and comfortable, making it ideal for escaping the heat.
Autumn (mid-October to early November): During fall foliage season, the trees visible from the tunnel turn vivid colors.
Winter (December to March): Snowy scenery and tunnel art create a magical atmosphere.

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How to Get to the Kiyotsu Gorge Tunnel

Address: 2119-2 Koide, Tōkamachi City, Niigata Prefecture
Access:
Train: From JR Echigo-Yuzawa Station, take a local bus to the “Kiyotsukyō Iriguchi” bus stop, then walk about 30 minutes.
Car: About 25 minutes from the Shiozawa-Ishiuchi IC on the Kanetsu Expressway.

Opening Hours and Admission Fees

Opening hours: 8:30–17:00 (last admission 16:30)
Opening hours: In winter, 9:00–16:00 (last admission 15:30)
Admission fee: [High season] Adults (high school age and older) 1,200 yen / Children (elementary and junior high school students) 500 yen
Admission fee: [Off season] Adults 1,000 yen / Children 400 yen

Conditions may vary depending on the category and season, so it is a good idea to check the latest visitor guidance before your trip.

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Useful Travel Tips for Visitors

Tips to Avoid Crowds

During Golden Week, Obon, and the autumn foliage season, some dates may be designated as “reservation-only days,” requiring advance online ticket purchase.

Even on non-reservation days, visiting early in the morning or on weekdays is recommended.

Nearby Attractions

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Important Tips Before Visiting the Kiyotsu Gorge Tunnel

Dress appropriately: The tunnel temperature is low, so prepare warm clothing, especially in winter.
Reservations: During busy periods, there are “reservation-only days,” and some dates may have no on-site ticket sales.
Enjoyable even on rainy days: As an indoor facility, it is a spot that is less affected by the weather.

Barrier-Free Access

Wheelchairs can pass through the tunnel.

At the entrance facility “Periscope,” you can enjoy a footbath (closed in winter), a café, and souvenir shopping.

The Kiyotsu Gorge Tunnel is a must-visit sightseeing spot where you can fully enjoy Niigata’s great nature and art.

Be sure to add it to your next Niigata trip.

Frequently Asked Questions

Q. Is there an admission fee for Nomizo Falls (Kameiwa Cave)? keyboard_arrow_down

A. Nomizo Falls (Kameiwa Cave) can be visited free of charge. Some days the ground can be wet and slippery, so wear shoes with good traction, and when water levels are high, keep your distance and prioritize safety. On site, follow posted guidance, and take breaks as needed to enjoy it comfortably.

Q. How many cars can park at Kiyozumi Gorge Plaza, and what is the parking fee? keyboard_arrow_down

A. Kiyozumi Gorge Plaza has parking lots listed as Lot 1 (25 spaces), Lot 2 (60 spaces), and Lot 3 (22 spaces), totaling 107 spaces. Early mornings can fill up quickly, so on busy days, arrive earlier and avoid waiting on the roadside near entrances and exits. Conditions can change with crowds and weather, so plan with extra time to be safe.

Q. When can you see the heart-shaped light in the cave? What time of day is best? keyboard_arrow_down

A. The heart-shaped light effect is described as appearing when conditions align, such as early mornings in spring and autumn. Since water volume and weather change how it looks, bringing multiple candidate days is a safer plan if photography is your main goal. On site, follow posted guidance, and take breaks as needed to enjoy it comfortably.

Q. How much time do you need to visit Nomizo Falls? keyboard_arrow_down

A. A short walk around the falls can still be enjoyable, but if you want photos, it’s safer to move with extra time. With stairs and muddy patches, keeping luggage minimal and freeing both hands can reduce the risk of slipping. Conditions can change with crowds and weather, so plan with extra time to be safe.

Q. Can you visit on a rainy day? Any tips about high water and closures? keyboard_arrow_down

A. On rainy days, footing gets worse, and rising water can create dangerous spots, so don’t push yourself. Follow on-site signage and do not approach areas under access restrictions. Waterproof shoes and a towel help. On site, follow posted guidance, and take breaks as needed to enjoy it comfortably.

Q. Can you get there by public transport? Any tips if you don’t have a car? keyboard_arrow_down

A. Public transport services are often limited, so if you don’t have a car, the key is to fix your timetable first and plan around it. To avoid missing connections, have a nearby place you can wait, and plan to return before it gets dark for safety. Conditions can change with crowds and weather, so plan with extra time to be safe.

Q. How can you take better photos? Can you shoot it with a smartphone? keyboard_arrow_down

A. The cave is dark and prone to camera shake, so lightly bracing your phone against a wall or handrail can steady your shots. When it’s busy, you may need to wait your turn, so taking a few photos and then yielding helps preserve the overall atmosphere. On site, follow posted guidance, and take breaks as needed to enjoy it comfortably.

Q. Any nearby nature spots you can visit together? keyboard_arrow_down

A. Nearby, there are places like stream-side walks and campgrounds where you can enjoy nature. Longer drives can be tiring, so it’s best to focus your goal—“photos,” “walk,” or “rest”—and build an easy route within a manageable range. Conditions can change with crowds and weather, so plan with extra time to be safe.

Useful Japanese Phrases

Meaning

Where is the Kiyotsu Gorge entrance? — Ask at the bus stop "Kiyotsukyo Iriguchi" or nearby locals when you arrive. Point to a map or show the name on your phone screen to help the listener understand which direction you need.

Meaning

Two adult tickets, please. — Use at the admission counter before entering the Tunnel of Light. Hold up the number of fingers matching your group size to make the amount clear.

Meaning

Do I need a reservation? — Ask at the ticket counter or call ahead, especially during Golden Week, Obon, or autumn foliage season when advance reservations may be required for the Kiyotsu Gorge Tunnel.

Meaning

Is it cold inside the tunnel? — Ask staff at the entrance facility Periscope before entering the long tunnel. A light jacket is recommended as the tunnel stays cool even in summer.

Meaning

May I take photos here? — Ask staff at each viewing station inside the Tunnel of Light, especially near the art installations. A small bow while asking makes the request more polite.

Meaning

Is the Panorama Station further ahead? — Ask other visitors or staff inside the tunnel to confirm you are heading toward the famous mirror-reflection pool at the end of the walkway.

Meaning

Is it wheelchair accessible? — Ask at the entrance facility Periscope. The Kiyotsu Gorge Tunnel is wheelchair accessible, but confirming current conditions with staff is helpful.

Meaning

Where is the footbath? — Ask staff at the entrance facility Periscope. A footbath (ashiyu) is a shallow hot-spring pool for soaking your feet, available near the entrance. No need to tip staff in Japan.

Meaning

Is there a café here? — Ask at Periscope, the entrance facility of Kiyotsu Gorge Tunnel. There is a café on site where you can rest before or after walking the tunnel.

Meaning

What time is the bus to Echigo-Yuzawa Station? — Ask at the bus stop or staff at Periscope when planning your return trip. Point to your watch or phone clock to reinforce that you are asking about the schedule.

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