Mosaic Boulders isn’t here to turn a profit—and we never plan to be. Every dollar that comes in goes back into the walls, the setting, the space, and the community. Our focus is simple: creating the best possible climbing experience for our members.

We want Mosaic to be more than a place to climb. We want it to be a true third place—especially for Cal students and the wider Berkeley community. Somewhere between campus and home where you’re known, not just another membership number.

Join us, climb with us, and help us build something special.