Home › Venues › Amphitheater at Las Colonias Park Amphitheater at Las Colonias Park Tickets Buy tickets for concerts at Amphitheater at Las Colonias Park in Grand Junction, CO. No Upcoming Events No upcoming events scheduled at Amphitheater at Las Colonias Park. Please contact us with any corrections. Hotels & Lodging Near Amphitheater at Las Colonias Park About the Venue Amphitheater at Las Colonias Park At-a-Glance Capacity 4,000Address925 Struthers AvenueGrand Junction, CO 81501United States Map & Directions Website www.theampgj.com/Advertisement