01 / Lake Town
A flood pond and a new town,built as one.

Koshigaya Lake Town (越谷レイクタウン) was laid out together with the Ōsagami Regulating Pond (大相模調節池), which eases flooding, and opened as a town in 2008. The pond covers about 39.5 ha and can hold up to 1.2 million m³ of water. By the station, Aeon Lake Town has more than 700 shops across three buildings, and in May 2026 a new waterside area opened on the pond.
- Town opened in 2008
- Holds up to 1.2 million m³
- 700+ shops in three buildings

