
Natural SceneryWaterfront
Sasaryu Dam
Sasanagare Dam
Japan's first buttress dam, built in 1923, is a certified civil engineering heritage site.Explore this spot

Guide8 min read
Sasaryu Dam is a historic landmark located in the Akagawa district of Hakodate, Hokkaido. Constructed in 1923, it is renowned as Japan's first buttress dam.
What makes it special
Historical ArchitectureNatural LandscapesPicnicsSeasonal SceneryDriving Destinations
About Sasaryu Dam
- Witness the historic buttress dam structure up close.
- The Mae-niwa Plaza lawn is a perfect spot for a relaxing picnic.
- Enjoy seasonal beauty, including cherry blossoms in spring and vibrant autumn colors.
- Marvel at the contrast between the blue reservoir water and the massive dam structure.
- Conveniently located just a 15-minute drive from central Hakodate, making it an easy stop during your sightseeing tour.
Weather forecast
Tue
8/4
24°/17°
0%
Wed
8/5
27°/18°
0%
Thu
8/6
28°/19°
0%
Fri
8/7
27°/18°
16%
Sat
8/8
28°/20°
64%
Sun
8/9
23°/18°
31%
Mon
8/10
25°/15°
18%
Tips
Payment
Cash only (except for nearby vending machines if available)
Language
English signage is limited
Reservations
No reservation required
Clothing
Wear comfortable walking shoes and dress for the seasonal weather
Photography
Generally allowed (please do not interfere with dam operations)
Accessibility
Wheelchair-accessible toilets available (within the facility area)
Etiquette
Please take your trash home with you and do not enter restricted areas