This isn't a natural cave—it was actually man-made. Plus, the cave itself is off-limits, so the photos you see are just for promotion. You can't really see it in person.
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Shimizu Mountain Stream Square (Nomizo Waterfall / Kameiwa Cave)
The dreamy Kameiwa Cave with lights streaming in a heart shape.
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This national park in Kimitsu City, Chiba became famous with an SNS post on Kameiwa Cave. The sunlight streams into the cave, reflects on the water and shines a heart shape on the cave wall.
You are most likely to see a clear heart shape in early mornings around the equinox in March and September. It must be a sunny day. The less windy, the prettier the heart shape. It is a choice scene made of different conditions coming together. Part of the area around the cave is off-limits - watch out when looking at the heart or taking photos.
There is a trail around the cave and you may be able to spot fireflies between June and August. Fall foliage and the beauty in different seasons is exhilarating. Walking beyond the cave, there is the “Lucky Bell” said to bring you good fortune. Find out many other tour spots other than the cave.
Highlights
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The stream known as Kameiwa Cave with the sunlight reflecting in a heart shape.
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You can see the heart in sunny early mornings around the equinox in March and September.
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View fireflies in summer and colorful foliage in fall.
Photos
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With conditions met, the sunlight forms a pretty heart shape *Photo provider: Kimitsu City, Chiba
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Rich nature surrounds the area, pleasant for meandering *Photo provider: Kimitsu City, Chiba
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A neat trail is set up and the fall foliage is pleasing *Photo provider: Kimitsu City, Chiba
Official FAQs
Frequently Asked Questions have been vetted and answered directly by each listing.
Q
Can you provide services in foreign languages? (If so, please also inform us of the supported languages)
A
Not available
Q
Is it possible to re-enter the premises?
A
Yes, it is.
Q
Is free WiFi available in the facility?
A
Not available.
Q
Are coin lockers available?
A
Not available.
Reviews
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Some reviews are AI-translated.
Details
- Name in Japanese
- 清水渓流広場（濃溝の滝・亀岩の洞窟）
- Postal Code
- 292-0526
- Address
- 1954 Sasa, Kimitsu City, Chiba
- Telephone
- 0439-56-1325 (Kimitsu City Economy and Environment Department Economic Development Division Tourism Development Team)
- Closed
- Free to walk
- Hours
- Walk anytime
- Admission
- Free
- Directions
- From the “Kimitsu Furusato Bussan-kan” bus stop, walk 20 min.
- Official Website
- Official Website (Japanese)