My overall advice, if anyone is tempted to visit Pinnacles National Park after this description, is: be prepared. Be in top shape and either double your usual water bottle or go in the winter (when its not raining). The beauty of this national park is undeniable but its more ruggedly DIY-style than many. Here is more general info: 

The highlight of the trip came on the second day right after I summited the highest peak– a HUGE Condor soaring right overhead! I could literally hear the wind resistance on its 9 foot wingspan as it glided over, blocking the sun for a second and leaving me utterly awed and slack-jawed.