8 Lakes in Saitama worth your time
Japan Gems
8 Lakes in Saitama, with what to see and how to get there.
Saitama has 8 lakes on Japan Gems. Below are the 8 we can tell you the most about — each one written up in English from Japanese sources, with what to see and how to get there. See all lakes in Saitama.
01
Haraichi Swamp
SAITAMA · PLACE 原市沼
A restored wetland sanctuary featuring ancient lotus flowers and diverse wild bird populations managed by a local conservation group.
What it is
- A wetland area located on the border of Ageo and Ina cities.
- A conservation site managed by the Haraichi Swamp Lovers Association.
- A habitat for wild birds featuring ancient lotus flowers reintroduced from Gyoda City.
- A natural space situated near the ruins of the Ina Clan Residence.
What to see
- Ancient lotus flowers blooming across the restored swamp area.
- Various species of wild birds that inhabit the wetlands.
- The Haraichi Swamp River which serves as the primary water source.
- Three flood control basins currently under development at the site.
- Shinkansen trains passing along the northern end of the marsh.
When to go
- Visit from mid-July to mid-August to see the lotus flowers in bloom.
- Arrive in the morning for the best views of the opening flowers.
Getting there
- The site is a five-minute walk from Shonam Station.
02
Lake Miyazawa
SAITAMA · PLACE 宮沢湖
An artificial lake in Saitama featuring a Moomin-themed park, Nordic village, and hot spring facilities within a natural park.
What it is
- An artificial lake in Hanno created by an earth dam completed in 1941
- Located within the scenic borders of Okumusashi Prefectural Natural Park
- Home to the Nordic-themed Metsä Village and Moominvalley Park since 2018 and 2019
- Serves as the primary water source for the Koaze River
What to see
- An earth dam standing 18.5 meters high and 240 meters long
- The Moominvalley Park theme park located directly on the lakeshore
- Metsä Village which offers a Nordic-style atmosphere and shopping
- Kirari Bettei, a hot spring facility situated at the site
Getting there
- Buses run regularly from Hanno and Higashi-Hanno stations to the lake
- The site is located 15 minutes from the Sayama-Hidaka Interchange by car
03
Lake Kamakita
SAITAMA · PLACE 鎌北湖
A scenic reservoir in Saitama offering seasonal nature views, fishing, and boating within the Prefectural Kuroyama Nature Park.
What it is
- A public works reservoir completed in 1935 officially named Yamane Reservoir.
- A center core type earth dam managed by the Iruma Daiichi Land Improvement District.
- A recreational site also known as Otome Lake located in Moroyama Town.
- A destination for outdoor activities situated within Prefectural Kuroyama Nature Park.
What to see
- Yoshino cherry trees that bloom along the water in spring.
- Maple trees that provide colorful foliage during the autumn season.
- Crucian carp fishing spots and rental boats for use on the lake.
- Local restaurants serving specialty dishes made from wild boar-pig hybrids.
Getting there
- The lake is five kilometers away from Higashi-Moro and Moro Stations.
04
Yamaguchi Reservoir
SAITAMA · PLACE 山口貯水池
An artificial lake known as Sayama Lake, offering historic civil engineering and scenic views within a prefectural natural park.
What it is
- An artificial lake commonly known as Sayama Lake completed in 1934
- A water supply facility for Tokyo managed by the Tokyo Metropolitan Bureau of Waterworks
- A designated Civil Engineering Heritage site located within Sayama Prefectural Natural Park
- A reinforced structure that underwent upgrades for air raid protection and earthquake resistance
What to see
- The ruins of Negoya Castle situated on the northern shore of the reservoir
- The expansive artificial lake and surrounding natural park scenery
- Historic civil engineering features recognized for their heritage value
Getting there
- A seventeen minute walk from Seibu-Kyujo-mae Station
05
Arakawa No. 1 Retention Basin
SAITAMA · PLACE 荒川第一調節池
A massive flood control basin and reservoir featuring Lake Saiko, sports facilities, and a major expressway bridge.
What it is
- A flood control facility spanning from Sakura Ward to Toda City.
- A retention basin with a storage capacity of thirty-nine million cubic meters.
- A project completed in 2003 to manage water from the Arakawa and Kamogawa rivers.
- The site contains a reservoir known as Lake Saiko.
What to see
- Lake Saiko, a reservoir completed in 1997 located within the basin.
- The Yakult Toda Baseball Stadium situated on the grounds.
- The Tokyo Gaikan Expressway crossing the area via Sakitama Bridge.
- An eight kilometer stretch of engineered basin landscape.
When to go
- Water levels are lowered by over two meters from July to September.
- Official site
- www.ktr.mlit.go.jp
06
Ōsagami Reservoir
SAITAMA · PLACE 大相模調節池
A massive 40-hectare flood control reservoir and recreational lake that protects the surrounding Koshigaya Lake Town from heavy rains.
What it is
- A 40-hectare reservoir built by the Urban Renaissance Agency for flood protection.
- The facility diverts water from the Moto-Arakawa River into a storage basin.
- Completed in 2014, the project cost approximately 34.7 billion yen.
- The lake is nicknamed Sakura Lake and holds naming rights held by Aeon Mall.
What to see
- A large body of water with a storage capacity of 1.2 million cubic meters.
- Portions of the pond area designated for public use and recreation.
- The surrounding town built on elevated ground for flood safety.
- Connections to the Moto-Arakawa and Naka rivers.
07
Naguri Lake
SAITAMA · PLACE 名栗湖
An artificial lake created by the Arima Dam in 1986, offering outdoor recreation and nearby hot springs in Saitama.
What it is
- An artificial lake in Hanno City created by the Arima Dam.
- The first dam managed by Saitama Prefecture, completed in 1986.
- A multi-purpose dam facility located on the Arima River.
What to see
- The Arima Dam structure and the surrounding lake scenery.
- The Naguri Canoe Workshop situated near the water.
- The Arima Valley Fishing Ground located within the area.
- Sawarabi no Yu hot spring located in the immediate vicinity.
Getting there
- Take a bus from Hanno Station to the lake area.
- The site is accessible from the Sawarabi no Yu bus stop.
08
Lake Miyuki
SAITAMA · PLACE 行幸湖
A five-kilometer regulating reservoir and park featuring a massive fountain, canoe courses, and a high-speed railway bridge overhead.
What it is
- A first-class river reservoir officially named the Gongendo Regulating Reservoir.
- Completed in 1992 for flood control and water supply management.
- A public facility managed by Saitama Prefecture spanning 5.18 kilometers.
- Site of the 2004 National Sports Festival canoe competitions.
What to see
- The Gongendo Great Fountain which shoots water 36.6 meters into the air.
- A dedicated canoe racing course and functional boathouse facility.
- The Tohoku Shinkansen railway bridge crossing directly over the water.
- Gongendo Park which was completed at the site in 2007.