Port Costa Loop

EASY 2 reviews

Port Costa Loop is a 19 mile loop trail located near Port Costa, CA and is good for all skill levels. The trail offers a number of activity options and is accessible year-round. Dogs are also able to use this trail but must be kept on leash.

19.0 miles 1300 feet Loop

dogs on leash


mountain biking

road biking

trail running


horseback riding


A short loop our of the small village of Port Costa. This trail offers views of the Carquinez Shoreline, and is a popular spot for spotting birds.

nice ocean breeze not too difficult to bike, and some great views of Vallejo and bridges.

2 years ago

The trail is closed in any ways u got. Disappointed