First Views to Look For at Nagasawa Falls
Nagasawa Falls (Nagasawa no Taki) presents a distinctive sight deep in the forest at the foot of the Shikoku Karst in Tsuno Town, Kochi Prefecture, where water drops through an opening in the rock.
Rather than framing only the waterfall, take in the bridge in the foreground and the surrounding trees as one scene to convey the depth unique to this place.
A Waterfall Opening That Looks Like a Heart
Because the rock at the waterfall opening appears heart-shaped, it is also known as the “Heart Waterfall.”
The shape changes depending on your viewing position, the volume of water, and the direction of the light, so instead of searching for one fixed answer, compare its outline from safe positions on the bridge or walking path.
Look Up at the Approximately 34 m Drop
The waterfall has a drop of approximately 34 m. A narrow stream extends from the opening in the rock, and its white line becomes more pronounced as it descends.
Do not force your way close to the plunge pool. Moving your gaze from the upper opening to the flow below helps you experience the vertical difference in three dimensions.
Take in the Bridge and Forest Together
Although the bridge in front of the waterfall is man-made, it harmonizes with the surrounding forest and provides a useful scale for judging the size of the landscape.
By layering the curve of the bridge, the vertical line of the waterfall, and the spread of the trees in your view, you can see that Nagasawa Falls is not simply a waterscape but a place that includes the mountain terrain and the paths people follow.

Nagasawa Falls as a Prefectural Cultural Property
Nagasawa Falls is not only a place of scenic beauty but also a natural site protected as a cultural property.
Visitors can balance conservation with sightseeing by choosing actions that do not burden the landforms or plants.
Designation as a Place of Scenic Beauty and Natural Monument
On April 2, 1985, Nagasawa Falls was designated by the prefecture as a Place of Scenic Beauty and Natural Monument. Its location spans Tsuno Town and Yusuhara Town (Yusuhara-chō).
A Place of Scenic Beauty designation protects outstanding scenery, while a Natural Monument designation protects nature of academic value. It is important to view the waterfall and its surrounding environment as a connected whole.
The Character Created by the Opening in the Rock
Rather than sliding directly down the face of the rock wall, the water emerges from an opening that resembles a hole, making the starting point of the flow especially memorable.
By observing the cracks in the rock, the way plants take root, and the direction of the water, you can read the complexity of the terrain that photographs alone may not convey.
How to Respect This Protected Landscape
Avoid climbing on the rocks, collecting plants, or placing objects in the stream, and observe only from the maintained area.
Small stones and fallen leaves are also part of the landscape. Leave them where they are and make it a basic practice to leave as little trace of your visit as possible.

Observation and Photography Using the Waterfall and Bridge
Even from the same place, changing your eye level and composition alters how the waterfall opening, drop, bridge, and forest relate to one another.
First examine the features with your own eyes from a position where you have secure footing and do not obstruct passage, then take your photographs.
Use the Bridge as a Reference in Wide Views
When photographing the full scene, placing the bridge near the bottom of the frame makes it easier to show the distance to the waterfall and the breadth of the surrounding forest.
Instead of fixing the waterfall in the center, leave some trees visible on both sides to convey the space characteristic of Nagasawa Falls, where water appears deep in the mountains.
Zoom In to Examine the Waterfall Opening
The heart-shaped outline looks small from a distance, so it is safer to use the zoom on a camera or smartphone than to move closer.
When the contrast is strong, the rock can become a solid black shape. Adjust the brightness on screen for the waterfall opening and check the boundary with the white stream.
Capture the Movement of Water and Leaves Differently
A short exposure makes it easier to freeze droplets and leaves moving in the wind, while a longer exposure can better express the continuous flow of the water.
Even when using a tripod, do not block the path. If someone approaches, fold the legs and give way, prioritizing passage over the view.
Organizing your approaches to observation and photography lets you record several features without moving around unnecessarily in the same place.
| Observation Focus | Where to Look | Safety Measure |
|---|---|---|
| Shape | Rock Opening | Check with Zoom |
| Height | Upper and Lower Flow | Look Up at the Whole |
| Depth | Bridge and Waterfall | Briefly from the Path Edge |
| Season | Water and Trees | Check Your Footing First |
| Texture | Rock and White Water | Photograph from Inside the Barrier |

How the View Changes with Season and Weather
At a mountain waterfall, water volume, leaf color, light, and road-surface conditions combine to change the impression of the scene.
Instead of pursuing only the peak viewing period, choose an area you can observe safely under the conditions of the day.
Fresh Greenery Highlights the Rock and Water
From spring to early summer, bright green foliage spreads through the forest, making it easier to see the contrast between dark rock and white water.
When foliage is dense, the time during which light reaches the waterfall opening is limited. If there is not enough light, prioritize a stable posture that prevents camera shake.
View the Autumn Leaves with the Bridge
In autumn, you can enjoy a landscape in which the waterfall, bridge, and red and yellow leaves come together.
Autumn colors vary by year and location, so do not assume a specific date is the peak; check conditions on site.
Prepare for Snow and Ice in Winter
Icicles may appear in winter. Because snow is not cleared during the nearby Forest Adventure Kochi closure period, caution is necessary when visiting by car.
Do not take risks simply to see a snowy landscape. Check road information, snow accumulation, ice, and your vehicle’s equipment, and postpone the visit if conditions are dangerous.
Putting seasonal differences and points to check into a table helps you judge scenery and safety by the same standard.
| Condition | Appearance | What to Check |
|---|---|---|
| Fresh Greenery | Greenery and White Water | Sunlight and Footing |
| After Rain | Force of the Water | Rising Water and Slippery Surfaces |
| Autumn Leaves | Bridge and Colorful Forest | Crowds and Passage |
| Winter | Snow and Icicles | Snow Accumulation and Ice |
| Strong Winds | Large Movement of Branches and Leaves | Falling Branches and Visibility |

Check Road Conditions Before Accessing the Waterfall
Nagasawa Falls is in the mountainous Yoshūno area of Tsuno Town, approximately 15 minutes by car from the West Building of Tsuno Town Hall.
Even if the distance appears short, conditions differ from travel in an urban area, so it is important to allow extra time.
Check the Route to Your Destination in Advance
Before departure, confirm the entrance and direction of travel on a map, and save the route so you can return even if mobile-phone reception becomes unstable.
Do not rely only on navigation. Prioritize local signs and traffic restrictions, and stay aware of places where you can yield to oncoming vehicles on narrow sections.
Compare Road Information with the Weather
For national and prefectural roads in the Higashitsuno area, traffic-restriction information and winter road-surface images are available and can help you decide before entering the mountains.
When heavy rain, strong winds, or snow are forecast, assess not only the area around the waterfall but also road conditions for the round trip.
Allow Enough Daylight for the Return Journey
The forest feels dark earlier than flat ground. If you arrive late, shorten your observation time and switch to a plan that gets you back while it is still light.
Even with a small group, share your destination and expected return time, and bring water, rain gear, warm clothing, and a way to recharge your devices.
Walking Responsibly and Observing Good Manners to Protect Nature
The waterfall landscape is formed by water, rock, plants, the bridge, and quietness together.
Do not prioritize photographic results. Aim for a visit that leaves no burden on other visitors or the local natural environment.
Take Smaller Steps on Wet Surfaces
If spray or rain has made the surface wet, do not hurry. Take small steps and place the whole sole of each shoe down as you move.
Stay inside fences and guidance boundaries, and keep one hand free so that you can protect your body rather than your camera if you begin to fall.
Share the Quiet Environment
Do not play loud sounds or occupy the same place for long periods, and be considerate of people who want to enjoy the sound of the water and birds.
When photographing on the bridge or a narrow path, check behind you and remain ready to move immediately when someone needs to pass.
Take Your Trash Home and Leave Natural Objects Behind
Take home all packaging and drink containers you bring, and do not feed wild animals.
Leave fallen leaves, stones, and plants where they are so this natural landscape, protected as a cultural property, can be passed on to the next visitor.
Summary | Read the Mountain’s Passage of Time Through the Waterfall Opening and Bridge
At Nagasawa Falls, viewing the heart-shaped opening in the rock, the approximately 34 m stream, the bridge in the foreground, and the surrounding forest as a single scene brings out the distinctive appeal of this place.
Remember that it is a prefecturally designated Place of Scenic Beauty and Natural Monument. Observe from the maintained area and do not touch the rocks or plants.
Seasonal changes such as autumn leaves and snow are beautiful, but in the mountains, rising water, slippery surfaces, snow accumulation, and ice determine whether a visit is safe.
Check road and weather information before departure, give way to others on the bridge and paths, and quietly enjoy the sound of the waterfall and the depth of the forest.





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