When: Saturday, Sept. 11, 2021, 8 a.m. to 9:30 a.m.
Where: Peñasquitos Canyon Preserve, 12020 Black Mountain Road, San Diego
Age limit: All ages
Description: <p>Geology Walk with Curt Snyder: Various strata from differ-ent epochs will be seen and discussed, including sandstone and the volcanic rock at the waterfall, believed to be between 150–140 million years old. Meet at the very END of Park Village Road in Rancho Peñasquitos 92129.</p>
Source: SD Reader