Experience one of San Diego’s most treasured summer traditions at the 38th San Diego International Summer Organ Festival, held every Monday evening from July 13 through September 7, 2026 at the iconic Spreckels Organ Pavilion in Balboa Park. Presented by the Spreckels Organ Society, the free nine-week festival showcases acclaimed organists from around the world performing on the Spreckels Organ—the largest open-air musical instrument on the planet. From beloved classical masterworks to innovative contemporary compositions and genre-spanning programs, each concert celebrates the extraordinary versatility and grandeur of this historic instrument.

Under the artistic direction of San Diego Civic Organist Raúl Prieto Ramírez, the festival has become the largest organ festival in the United States, drawing audiences of all ages to enjoy world-class music beneath the stars in one of the city’s most iconic cultural landmarks. Whether you’re a lifelong classical music enthusiast or discovering the organ for the first time, this beloved summer series offers an unforgettable—and completely free—musical experience.