Jul 30, 2021
Hear the story of MOUNT DIABLO STATE PARK’s devilish dedication ceremony in 1931.
This tour of ROCK CITY is presented by Mount Diablo Interpretive Association. Featuring Ken Lavin. Music: Phil Heywood. Production, Narration: Joan Hamilton; Photos: Seth Adams, Contra Costa Historical Society, Joan Hamilton.
Jul 23, 2021
Who was DAN COOK? A successful miner from Bodie who owned a big chunk of Mount Diablo in the late 1870s and early 1880s. His history connects with that of California’s Big Four Railroad Barons and Robert Noble Burgess, who, much later, built North and South Gate roads.
This tour of Mount Diablo's ROCK CITY is...
Jul 16, 2021
Starting at "ELEPHANT ROCK," learn the history of tourism in MOUNT DIABLO STATE PARK. In the rock itself, find evidence of a story many millions of years older.
This tour of Mount Diablo's ROCK CITY is presented by Mount Diablo Interpretive Association. Featuring Ken Lavin, Rich McDrew, and Mike Woodring; Music: Phil...
Jul 9, 2021
Stoves built by the Civilian Conservation Corps in the 1930s proved so popular they were used throughout the state and national park system. Today volunteers are restoring them for another century of outdoor grilling.
This episode of Mount Diablo's ROCK CITY tour is presented by Mount Diablo Interpretive Association. ...
Jul 2, 2021
The sandstone In Rock City is made from weathered bits of Sierra Nevada granite. Ken Lavin explains how those mountains moved—and helps us recognize the constituent parts, including quartz, feldspar, biotite and hornblende.
This tour of Mount Diablo's ROCK CITY is presented by Mount Diablo Interpretive Association....