This trail is just a portion of the larger Bay Trail system (http://www.baytrail.org/) and is a popular spot for walkers and runners. Since it is part of a larger trail system, it is possible to continue past the parking lot instead of turning around and returning to the trailhead / entry point.
Casa to Palo Alto via bridgeway is a 3 mile out and back trail located near Mountain View, California. The trail is good for all skill levels and primarily used for trail running.
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