Griffith Quarry Museum

The Griffith Quarry Museum is housed in the original Penryn Granite Works office, built by Welsh immigrant Griffith Griffith in 1864. It contains some of the original office furniture, information on the Griffith family, the history of the Penryn-Loomis Basin area, and the granite industry.

Corner of Taylor & Rock Springs Roads, Penryn, CA 95663

To schedule a group tour, call 530-889-6500


  • Exhibits on granite quarrying
  • Exhibits on Penryn history
  • Interactive geology exhibit
  • Interactice construction exhibit
  • Griffith Quarry Park trails


7504 Rock Springs Roads, Penryn, CA 95663


Open Saturday and Sunday Noon – 4:00 pm