https://youtu.be/086sLSduZWM Enjoy this 7.3-mile loop trail near Los Altos, California. Generally considered a moderately challenging route, it takes an average of 3 h 37 min to complete. This is a very popular area for birding, hiking, and running, so you'll likely encounter other people while exploring. You'll need to leave pups at home — dogs aren't allowed on this trail. Counting bridges on ..