Bull Valley Trail, Carquinez Overlook Loop Trail, Port Costa Trail Loop is a 5 mile moderately trafficked loop trail located near Crockett, California that features beautiful wild flowers and is rated as moderate. The trail is primarily used for hiking, walking, nature trips, and birding and is accessible year-round.

5.0 miles
784 feet



nature trips



wild flowers

From the blue waters of Carquinez Strait to the north, to the rolling hills to the south, this park offers magnificent views. There are several benches along the way for rest and contemplation. The picnic areas at Eckley Pier are a fine place to end your hike. The trail traverses open grasslands and small eucalyptus groves that provide welcome shade on a sunny day. At the midway point, the trail takes you through the historic town of Port Costa for a short way. You may wish to explore the town on your own before returning to the trail route. Trail Directions: From the Eckley Pier parking lot, find the gate and trailhead near the traffic circle, and head east and uphill on the Bull Valley Trail. Make a left in about half a mile onto the Carquinez Overlook Loop Trail. After .4 miles, stay left at intersection and continue on the Carquinez Overlook Loop Trail for another .13 miles. Then turn left, heading downhill towards the eucalyptus trees. After 0.1 mile, keep left to continue towards Prospect Ave. Exit through the gate and continue down the semi-paved pathway. After 0.2 mile, you will reach Prospect Ave. Follow Prospect for 0.2 mile until it intersects with Canyon Lake Dr. Cross at the crosswalk, head right for 400 feet, then turn left onto Reservoir St. Continue for 0.1 mile, then cross through the Fire Trail gate on your left and follow the trail for .4 mi. Turn left at the cattle pen and keep left for .25 mile, then take another left. Follow this trail for .21 mile to a viewpoint. To hike back, head downhill the way you came for .46 mile, making sure to keep right, then make a right at the cattle pen. After .4 mi, you will be back on Reservoir. Turn right on Reservoir, and then turn right on Canyon Lake after 0.1 mile. Follow Canyon Lake for .2 mile, then turn left on Prospect. Walk 400 ft up Prospect and turn left at the “Narrow Winding Road” sign. Head through the gate and turn left to take Bull Valley Trail back to Carquinez Overlook Loop. After .63 mile, turn left and continue for 0.11 mile, then turn right to walk the last .4 mile back down to the Eckley Pier parking lot. Park Hours: Between 5am and 10pm  unless otherwise posted Fees: No parking or dog fee

4 months ago

recorded Port Costa

8 months ago

Sunday, June 25, 2017

Thursday, August 18, 2016