Grace Cathedral SF Labyrinth Walk March 11, 2016 August 9, 2016March 30, 2016 by Clare Clare Hedin, a musician, performs for the walk of the labyrinth. The Labyrinth itself came to by the work of Rev. Dr. Lauren Artress. From 1991 to 2007, the labyrinth was made of tapestry. In 2007, Margaret and Will Hearst donated funds to replace the tapestry with limestone. March 11th 2016. Image: Julio Marcial