Tree Adventure

Covering an area of 45,000㎡ and with a total number of 102 obstacle elements, our Tree Adventure is the largest in Japan. A unique adventure in the treetops of the beautiful forested area surrounding the former Primavera building situated opposite of Parking Lot 4 that can be enjoyed by children and adults alike. The River Course, which takes you over the beautiful Yashiro River, is a must-do experience.


  • You must be 120 cm tall or over, and weigh 100 kg and under
  • Closed now ( till Spring)
  • Duration: 120 minutes


1 round6,000yen

Please note

  • The following guests are prohibited from using the area
    • Inebriated guests
    • Guests in poor physical condition
    • Pregnant guests
    • Customers with heart conditions, high blood pressure, etc.
    • Guests taking perscription medication
    • Guests deems unable to use the area by staff
  • Depending on weather conditions, the area may not be available for use.
  • Smoking is allowed only in designated areas. Please refrain from smoking once you have put on your harness.
  • Please note that Lotte Arai Resort cannot accept responsibility for any damage to clothing (tree sap, falling, etc.), or damage to or loss of personal items while using the facility.
  • Please follow staff instructions at all times. If staff should determine that a guest's actions are a danger to themselves or others, then the offending guest will be asked to leave.
  • Lotte Arai Resort cannot assume responsibility for injuries due to falls or other situations, so please be mindful of personal safety.
  • Please understand that once registration is finished, we cannot issue a refund.
  • Please understand that staff may photograph you while you are using the facilities, but that such media will only be used for PR purposes.
  • For activities other than Tubing and Bouldering, all guests must be able to wear a harness safety, otherwise they will not be able to participate.
  • Participants may not be barefoot, wearing sandals, heels, or skirts.
  • At least 1 guardian must be present for every 1 small child, and at least 1 guardian must be present for every 2 children 9 years or older.
  • We cannot accept responsibility for accidents caused by the carelessness of any individual. Please use and enjoy the facilities responsibly.
  • Some age, height and weight restrictions apply. Moreover, we reserve the right to refuse service to guests or visitors who are unable to wear the required harness safely, and/or based on the judgement of trained staff regarding guest/visitor attitude, health condition or sobriety.