Outdoor concert hall that is in Osaka castle park. It takes 5 minutes ahter you get off atJR loop line Morinomiya station. Originally it was in Tennoji Park, then moved to here and it was opened in 1982. Surrounded by green building is in harmony with the landscape of the park. It can accommodate 3,000 people, and they prepare music・lighting facilities (fixed seat 1,837-seat, move the seat 108 seats in chair seat 1945-seat, other seats are lawn seats). Including "Twilight Concert" sponsored by Osaka City Music Orchestra, music, lectures, has been widely used for various events.