Open at 6 a.m. every day, the light brown hot spring offers marvelous medicinal benefits. The sauna room is filled with aroma of herbs, such as lavender and rosemary. Here, we have various types of baths such as open-air bath, electric bath, cold water bath, body massaging bath, and many more.

Address1-25-15, Nishi-kojiya, Ota City
Hours06:00–11:00 & 14:00–23:00
AccessA 5-minute walk from Keikyu-Haneda Line Kojiya station.

Open every morning from 6am – try this Osaka style onsen to start the day right

– Steph’s pro tip


  • Barrier-free
  • Laundromat
  • Massage chair
  • Hair dryer
  • Coin locker
  • Shampoo on sale
  • Mosaic artwork

Bath varieties

  • Bubble bath
  • Supersonic-wave bath
  • Sleeping bath
  • Electric massaging bath
  • Sauna
  • Cold water bath
  • Open-air bath
  • Standing shower
  • Jet bath
  • Morning bath
  • Natural hot spring:
    Potassium, calcium and magnesium chloride mineral springs
Copyright © 2016 Ota Sento Association | All rights reserved