GMR Closed. GRR closed for July 4th. Here's the info from the San Dimas Sheriffs' via Bill:
have just been notified by the San Dimas Sheriff's Dept that Glendora Mountain Road
and Glendora Ridge Road will be closed to motor vehicles from noon Tuesday July 3rd
until Thursday morning, July 5th due to the Fourth of July Holiday.
Both roads will remain open to bicyclists, hikers and equestrians
