Home › Venues › The Amphitheater at Philip S. Miller Park The Amphitheater at Philip S. Miller Park Tickets Buy tickets for concerts at The Amphitheater at Philip S. Miller Park in Castle Rock, CO. No Upcoming Events No upcoming events scheduled at The Amphitheater at Philip S. Miller Park. Please contact us with any corrections. Hotels & Lodging Near The Amphitheater at Philip S. Miller Park About the Venue The Amphitheater at Philip S. Miller Park At-a-Glance Capacity 2,000Address1375 W Plum Creek PkwyCastle Rock, CO 80109United States Map & Directions Website www.crgov.com/2051/Philip-S-Miller-ParkAdvertisement