Mission Trails Regional Park.
There are many things you can do at Mission Trails Regional Park. You can hike on one of the many trails available there. The park has 64 great trails for hiking, birding, walking, bicycling, and more. You can also visit the Mission Trails Visitor Center which has videos detailing some of the history and recreational opportunities afforded in Mission Trails Regional Park.
The park is open every day from 9am to 5pm.