San Geronimo, California

Alston Park Loop Trail, located in Napa, California, is a 2.76-mile loop trail that offers a moderate level of difficulty for hikers. The trail is primarily used for hiking, walking, and running and is accessible year-round. The trail is well-maintained and clearly marked, making it suitable for ...

Joe Rodota Trail is an out-and-back trail where you may see wildflowers located near Sebastopol, California.

The Redwood Regional Dunn Loop is just outside of Oakland, and can be reached from anywhere in the Bay Area for a fun day or half-day trip. The trail is open year-round. In the spring, wildflowers are abundant. The trail has a great mix of sun and shade. Dogs are allowed, but must be kept on leash. 

Annadel State Park is located in the historic Valley of the Moon, just 60 miles north of San Francisco, in Sonoma. This popular 5,200 acre park features a wonderful variety of options to explore, boasting views of the Sonoma Valley, rolling meadows of wildflowers, and direct access to 26 acre Lak...

Hood Mountain Summit via the Lower Johnson and Upper Johnson Ridge Trails is a 6 mile out-and-back trek located in Santa Rosa, CA. The trailhead starts at the Pythian Road parking lot, accessed from Highway 12. The hike takes 3.5 to 4 hours to complete and is considered strenuous. All trails are...

Santa Rosa Creek Trail: Willowside Road to Fulton Road is an out-and-back trail that takes you by a river located near Sebastopol, California.

Las Trampas Regional Wilderness offers an extensive trail system for hikers, horseback riders and mountain bikers. The trail is open year round and dogs are allowed. The Las Trampas and Bollinger faults spread apart to reveal a wonderful wilderness area with ancient remnants of beaches. The entir...

Located near Walnut Creek, the trail is easily accessible from anywhere in the Bay Area. The trail is kept open year-round, and happens to be part of the American Discovery Trail and the Coast to Crest trail. If you are not done hiking, connecting trails allow you to summit Mt. Diablo.  This tra...

Continue by car down Castle Rock Road until it dead ends at the beginning of the trail. Parking is usually easy to find. If full, there is another overflow lot about 500 ft back the way you came in.You'll walk a good half mile down the trail before getting the main gate. As you're walking, you'll...

The incline on this trail begins pretty much right away and is fairly gradual for the entire hike, some of it is quite rocky, making this an easy to moderate level hike. However, with some shade (probably wouldn't attempt it on a hot summer day) and the sweeping views of the valley that get bette...

Juniper to the Summit Loop Trail and Meridian Ridge is a loop trail that is strenuous located near Diablo, California.

Although steep in sections, this trail is a wonderful workout and hikers are more than rewarded for their efforts. The Rock City Trail is a direct route to the summit of Mount Diablo, and the park is an ecological treasure dear to the hearts of Bay Area residents. The best views are on clear days...

This hike starts at the Rock City area of Mount Diablo State Park. Begin at the Madrone Canyon Trail, hiking southeast towards the Devils Slide trail. Along this section of the hike, the trail dips into a wooded canyon and follows the path of a small creek. To best experience the beauty of the cr...

This beautiful mountain bike ride can be started at the Purisima Creek Road Trailhead or on Skyline Boulevard. There are many trails in the Purisisma Creek Redwoods, but Whittemore Gulch is by far the most beautiful and fun single track to descend on. If you are starting from Skyline Boulevard, i...

This trail begins at the Cowell State Beach parking lot and is only open on the weekends. From the lot, take the short Cowell Ranch Access trail to a scenic overlook. There are steps down to the secluded pocket beach just above the main trail. The trail playfully meanders along the cliffside with...

This loop hike will provide people with the opportunity to experience the tranquility of the lower canyons of the preserve, which tend to be more isolated than the heavier-trafficked trails that are closer to the main highway. Be warned that this hike is fairly strenuous because of the large amou...