Tunnel 7 and the Devils Thumb Winter Park Express passes into Tunnel 8 in the Flatiron Range above Eldorado Springs, CO

Eldorado Canyon Amtrak 5 is just passing into tunnel 10 westbound and will soon be in South Draw on its climb over the Continental Divide. The Crags Ruins are to the right and Eldorado... (more)

Flatiron Palisade Westbound empty coal buckets slice through the Flatiron Range above Eldorado State Park in Boulder County on Sunday morning September 15, 2024. East portal number No.6 ... (more)

Winter Park Express Amtrak Winter Park Express 1105 Tunnel 7 MP.28 Eldorado Springs, CO 3/29/24 08:06

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)

Rocky Mountaineer Returns for 2023 Traveling back to Denver the Rocky Mountaineer is passing through the Flatiron range at tunnel 3 in rural Boulder County.

Mountain Railroading
South Boulder Peak and the majestic Flatiron Range spires rise high above the Great Plains over Boulder County an ideal location to witness pure mountain r... (more)

Mountain Railroading

HPVODEN is descending the +2.00 grade at milepost 26.91 high in the Flatirons above Eldorado Springs, CO on Wednesday January 26, 2021. Within moments th... (more)

A BNSF manifest is coming through tunnel 3 on the Flatiron Range near Boulder County on the Moffat Tunnel Subdivision. Geometry and geology measured in an axiom of angles converge on a tangent thr... (more)

The 200 foot high smoke plume of a westbound sand train exiting Tunnel 15 on the Moffat Road is dwarfed by Eldorado Mountain. The ex. Denver NorthWestern & Pacific "Moffat Road" uses th... (more)

An eastbound loaded coal train fights the pull of gravity as it slowly descends out of Tunnel 10, past the clearing where Tunnel 9 stood until it was daylighted.

27 miles out of Denver Union Station, the Denver & Rio Grande Western route turns west into Tunnel 8, penetrating the imposing Flatirons during its climb toward the Moffat Tunnel and continental d... (more)