Fort Mason is a 1.9 mile moderately trafficked loop trail located near San Francisco, California that offers scenic views and is good for all skill levels. The trail is primarily used for walking and birding and is accessible year-round. Dogs are also able to use this trail.
Exercise on the waterfront park. Enjoy views of the bay and the Golden Gate Bridge
I went when I was a kid on a school field trip and it's an endurance thing.