The wide-open expanses of the South Draw region of the Moffat Tunnel Sub frames the Rocky Mountaineer passenger train as it heads east towards Denver, Colorado.

Rocky Mountaineer's GP40-3 leads the passenger train through Tunnel 14 in South Draw on the Moffat Tunnel Sub.

Rocky Mountaineer's 8021 (GP40-3) leads the passenger train through Tunnel #15 in South Draw, Colorado as it heads to Denver on the Moffat Tunnel Sub.

The Rocky Mountaineer's GP40-3 leads two leased units as it runs east on the Moffat Tunnel Sub in South Draw on its way to Denver, Colorado.

The Rocky Mountaineer passenger train gets ready to enter Tunnel #14 as it runs through South Draw on the Moffat Tunnel Sub in Colorado.

The Rocky Mountaineer passenger train runs through Tunnel #15 in what is arguably the most scenic part of the Moffat Tunnel Sub. The area known as South Draw affords views of 5 tunnels, providing... (more)

BNSF 4404 (Dash9) exits Tunnel #13 deep in South Draw as it leads the California Zephyr west on the Moffat Tunnel Sub.

BNSF 4404 (Dash9) runs through Tunnel #14 as it leads the California Zephyr into South Draw on the Moffat Tunnel Sub.

BNSF 4404 (Dash9) leads the California Zephyr through tunnel 12 as it runs through South Draw, Colorado on the Moffat Tunnel Sub.

BNSF 4404 (Dash9) leads the California Zephyr through Tunnel #13 on the Moffat Tunnel Sub. The Zephyr lost an engine and picked up the BNSF helper in order to traverse through the Colorado Rocky ... (more)

BNSF 4404 (Dash9) leads the California Zephyr #5 train through South Draw on the Moffat Tunnel Sub. The train lost an engine in Fort Morgan, Colorado and needed a little help getting through the ... (more)

UP 4927 (SD70M) leads the Rocky Mountaineer through South Draw, Colorado as it heads west on the Moffat Tunnel Sub.

Deep in the heart of South Draw, Colorado sees the California Zephyr rounding a curve between tunnels 16 and 17 on the Moffat Tunnel Sub.

UP 4927 (SD70M) leads the Rocky Mountaineer train through some of the prettiest scenery in the United States, known as South Draw, located between Crescent and Plainview, Colorado.

Amtrak engine #146 (P42DC) leads the California Zephyr through South Draw, Colorado on the Moffat Tunnel Sub.