Amazing Kart ISK Hamanako is a purpose-built outdoor kart circuit on the shores of Lake Hamanako, run by the ISK/SportsKart network. The track hosts sprint and endurance formats and publishes a top kart speed of around 60 km/h.
The venue is open year-round with typical hours around 11:00–21:00 (holiday starts from 10:00) and accepts walk-ins; on-site helmets and rental suits are available and parking is limited to about 28 cars.