The California Zephyr runs through Coal Creek Canyon as it heads up the Moffat Tunnel Sub.

The California Zephyr runs through Coal Creek Canyon as it heads up the Moffat Tunnel Sub.

The California Zephyr climbs the grade out of Coal Creek Canyon and heads towards Tunnel #1 on the Moffat Tunnel Sub.

Amtrak’s California Zephyr passes the site of Tunnel 41, removed many years ago by Rio Grande, in Little Gore Canyon approaching Radium, Colorado, on the afternoon of September 19, 2023.

UP 7242 (AC4400CW) has just navigate through Gore Canyon and Hot Sulphur Springs and will soon be running through Byers Canyon before hitting Winter Park and the Moffat Tunnel.

The California Zephyr #6 train has just left the Fraser station and will soon be running through the 6.2-mile-long Moffat Tunnel as it heads to Denver, Colorado.

A warm summer afternoon in the Rocky Mountains trackside along Union Pacific’s Moffat Tunnel Subdivision sees a BNSF Denver, CO to Provo, UT trackage rights manifest making the westbound trek up... (more)

On September 27, 2023, an eastbound Union Pacific unit oil train slowly heads downgrade out of Pinecliffe, Colorado, following South Boulder Creek into the Tunnel District.

Following the Colorado River is Amtrak’s westbound California Zephyr in Byers Canyon west of Hot Sulphur Springs, Colorado, on September 18, 2023.

The California Zephyr #6 train leaves Fraser, Colorado and heads towards the Winter Park ski resort.

The California Zephyr looks like a model train as it runs through Byers Canyon west of Hot Sulphur Springs, Colorado.

Flying Above the Clouds by Rail This very well may be the most difficult and rare of weather events to capture along the Flatiron Range. Meteorology calls it an Inversion and it can b... (more)

A westbound Union Pacific unit oil train approaches Radium, Colorado, on September 19, 2023. In the background, the lone rear DPU unit can be seen, still rolling through Little Gore Canyon.

Amtrak Above the Clouds The weather in the Denver-Metro area is weird this morning. Once or twice a year, the ground is warm enough and the air cools enough overnight to create a layer of ... (more)

Amtrak’s California Zephyr threads 100-foot Tunnel 38 as it negotiates Gore Canyon approaching Azure, Colorado, on September 20, 2023. This scenic former Rio Grande main line is now Union Pacifi... (more)