Contra Costa County is a county located in the state of California, United States. It is situated in the East Bay region of the San Francisco Bay Area and covers an area of approximately 720 square miles. The county has a population of around 1.15 million people, making it one of the largest counties in the state.

Broadway Plaza is a popular outdoor shopping center located in downtown Walnut Creek, California. It's a prominent retail destination known for its upscale shops, restaurants, and entertainment options. The plaza underwent a significant renovation and expansion in recent years, adding more stores and enhancing the overall shopping experience.

Impressive exhibits chronicle the history of the mountain and capture its majesty. A rock wall with an instructional video examines the geological forces that created the mountain. Panels describe the Native American history of the region. A diorama, complete with native sounds, offers an overview of the park's ecosystems.

Mount Diablo State Park encompasses over 20,000 acres. The summit of Mount Diablo has an elevation of 3,849 feet -- it is the highest point in Contra Costa County. Recreational opportunities include camping, picnicking, hiking, bicycling, horseback riding, and rock climbing.

Rudgear Park is a 12 acre park located in Walnut Creek, California offering playground, baseball fields, basketball court, picnic tables with barbecues, connection to walking trails.

Sugarloaf is a small natural area with one of the last black walnut orchards in the city. The ridgeline provides views of Mount Diablo, Shell Ridge, and Las Trampas Ridge. Along with opportunities for several short hikes, there are several picnic areas, a native plant garden, and an amphitheater.

This multi-dimensional park connects to the Iron Horse Trail and Creek Walk. Community center with seniors’ programs, gazebo, Civic Arts Studios, Park Place and Assembly Hall all programmed through ARCS. Civic park is also home to the Bufano Hand of Piece.

The mission of Lindsay Wildlife Experience is to connect people with wildlife to inspire responsibility and respect for the world we share. The wildlife hospital is open every day of the year to accept injured and orphaned native California animals.

Lime Ridge Open Space is 175 acres northwest of Treat Boulevard, in the area between San Miguel and Cowell Roads. Primary access is from a parking lot off of Treat Boulevard.