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Donald A. Hall Estate Collection

Mount San Antonio Old Baldy Summit Sign (1927)

A historic Sierra Club wooden trail sign marking the summit of Mount San Antonio (Old Baldy) via Devil's Backbone and Bear Flat trails, perched atop a rocky summit cairn.
Mount San Antonio Old Baldy Summit Sign (1927) · Donald A. Hall Estate Collection

An extraordinary archival anchor conclusively placing Hall's Sierra Club climbs at the 10,064-foot summit of Mount San Antonio (Mount Baldy). The vintage Sierra Club of Southern California wooden sign marks the junction of Devil's Backbone Trail and Bear Flat Trail, documenting the demanding physical ascents Donald A. Hall Sr. completed in 1927.