All Posts | Amtrak A View from Train # 5 ByJim Loomis 03/04/200811/07/2014 Amtrak’s westbound California Zephyr climbs into the Rockies after leaving Denver and follows the Colorado River for over 100 miles. You May Also Like:And You Think YOU’VE had a Bad Day?Another Ride on VIA Rail's Flagship.EMY to GBB on the Zephyr.