Borel Hill is the highest named point in San Mateo County. It is located in Russian Ridge Open Space Preserve and owned by the Midpeninsula Regional Open Space.
South of Point Arena, California, is a stretch of beach featuring prehistoric boulders that have been finely ground down over the millennia into spheres.
A cenote is a freshwater cave typically found close to saltwater but removed somewhat inland. Many of these caves are miles long and invite SCUBA exploration.
The Eel River in Northern California is an incredible place for hiking, backpacking, swimming, and camping. The Eel River's tributaries cover almost 200 miles.
The largest rock monolith in the Yosemite Valley, El Capitan draws rock climbers from around the world to scale its vertical face at nearly 3000 feet tall.
Flores, one of the remote Azore Islands, and a part of Portugal, is 1000 miles west of the European mainland in the mid-Atlantic Ocean. Flores means flowers.
Yosemite National Park's Half Dome is a rock formation located at the eastern end of Yosemite Valley. The peak of the dome is over 4,737 feet above the valley.
Havasu Falls is a spectacular waterfall near the Grand Canyon, Arizona. It plunges nearly 100 feet into a pool of blue-green waters. A campground is nearby.
Henry Cowell State Park in Santa Cruz California, is a great place for a hike through some old redwoods to the San Lorenzo River. All trails are open to hikers.
The Intertidal Zone area is the interface between the land and the ocean. It is a rocky shoreline that are defined in relationship to the tidewater levels.