Calcite Mine Trail and Narrows
in Anza-Borrego Desert State Park
Anza-Borrego Desert | Trails Trail Rating:
For a brief period at the start of America's involvement in World War Two, this area was heavily mined for its high-grade calcite, a mineral then used to make bomb sights. This approximately 4-mile long expedition follows an old mining road into the Santa Rosa Mountains, crossing a narrow ravine with slot canyons that hikers may explore to add variety and excitement to this trek in... Read more.
By: Published: March 31, 2011 Last updated: February 12, 2018