CA – Giant RockBy Robert Powell / August 31, 2024 Location Giant Rock CALandersCA92285 Next Event San Gabriel Valley Rivian Club - Graffiti Removal at Giant Rock - September 27, 2024 - September 28, 2024 - 3:00 pm - 12:30 pm Map Unavailable Upcoming Events San Gabriel Valley Rivian Club - Graffiti Removal at Giant Rock - September 27, 2024 - September 28, 2024 - 3:00 pm - 12:30 pm