Three Gems (James Turrell Skyspace)
The Verdict
"Free and outside the museum, so no ticket needed. The LED light shifts are best at sunrise or sunset. Inside a grass mound behind the de Young. Most visitors walk right past it without knowing it's there."
What you need to know
A Subterranean Light Chamber at the de Young
“Three Gems” is a permanent installation by light artist James Turrell in the Osher Sculpture Garden at the de Young Museum in Golden Gate Park. It’s built inside a grass-covered hill. You enter through a tunnel into a cylindrical stone chamber with an opening in the ceiling. LED lights inside the chamber shift the apparent color of the sky as you look up through the oculus. It’s Turrell’s first skyspace built in the form of a Buddhist stupa.
What Makes It Worth It
You sit on a stone bench inside a dim, quiet chamber and look up at a circle of sky. The LED lights around the rim of the opening subtly alter your color perception. The sky appears to shift from blue to purple to pink, even when it hasn’t changed at all. The effect is disorienting and meditative.
The installation is free to visit. It’s in the sculpture garden, which doesn’t require museum admission. Most visitors to the de Young walk right past the grassy mound without knowing it’s there. Inside, you might be alone or with two or three other people, all silently staring at the sky.
Best on partly cloudy days, when the moving clouds interact with the LED color shifts. Overcast days work too. Clear blue sky is the least dynamic.
Skip this if you need explanation panels and context. There’s almost no signage. You either find the tunnel entrance, walk in, and experience it, or you don’t.
Visiting
Address: Osher Sculpture Garden, de Young Museum, 50 Hagiwara Tea Garden Drive, Golden Gate Park
Hours: Same as the sculpture garden. Generally Tuesday-Sunday, 9:30 AM-5:15 PM. Closed Mondays.
Cost: Free (sculpture garden does not require museum admission)
Best time to go: Late afternoon when the light is changing. Cloudy days produce the most interesting effects.
What to know: Look for the grass mound with a tunnel entrance in the sculpture garden. It’s easy to miss. The chamber is small, maybe 6 people fit comfortably.
Getting There
Transit: Muni N-Judah to 9th and Irving, then walk. The 44-O’Shaughnessy stops at the Music Concourse.
Parking: Music Concourse garage (paid) or free street parking on Lincoln Way.
Walking: Right next to the de Young Museum, California Academy of Sciences, and Japanese Tea Garden.
📍 Location: This activity is in The Richmond. Explore the neighborhood →
