About to enter Little Gore Canyon is Amtrak No. 5, the westbound California Zephyr, cruising west of Azure, Colorado, along the Colorado River on August 20, 2014.
On a late spring day in Colorado, Amtrak’s westbound California Zephyr zips through Tunnel 29 and crosses South Boulder Creek just east of Pinecliffe on the morning of May 25, 2017.