Cresting the Summit of Marias Pass, BNSF 8014 west leads this Chicago to Portland Q train.

Amtrak No. 8, the eastbound Empire Builder, climbs over Marias Pass past milepost 1148 east of Summit, Montana, on September 8, 1999. Several private cars are tucked behind the locomotives this su... (more)

A pair of Essex helpers shove BNSF 1046 East over the summit of Marias Pass. Add traffic along the Hi Line to the pure and exhilarating air in the Montana Rockies and one has a rather irresistible... (more)

Laboring up the final mile of the long grade from the Flathead River valley, BNSF 1046 (with some less than attractive former Santa Fe units) nears the summit of Marias Pass.

A pair of Dash 9's lead a westbound unit grain train over the summit of the Rocky Mountains at Marias Pass, with the mountains of Glacier Park behind.

On a perfect summer day in the Montana Rockies, matched H1 SD40-2's lead a westbound officer special as it begins its descent of the west slope of Marias Pass, while the mountains along the southe... (more)

While it may be an overdone location, being 12 years old while taking this picture, Marias Pass was more awesome than I could have ever imagined. Having just completed the long, slow climb from th... (more)

The long ascent of Marias Pass is almost completed as BNSF 4302 East labors the final mile to the summit amidst lingering patches of snow from a late summer cold front.

Climbing over Marias Pass, Amtrak No. 8, the eastbound Empire Builder, passes milepost 1148 east of Summit, Montana, on June 5, 2002. Spring storms brew over the majestic mountains of Glacier Nati... (more)

You can get lucky sometimes and it was our lucky day as this was where the train came to a stop after having a penalty application and we were able to assist the train crew to fix the problem.

Eastbound stacks under code blue conditions with a -24F air temp. On this day Essex recorded a record low of -35F and it was -40F just before dawn at this spot at the summit of Marias Pass.

A Burlington Northern Santa Fe stack train is headed west at Summit, Montana, on December 23, 1998. The train is crossing Marias Pass powered by a pair of SD40-2s, with Burlington Northern No. 788... (more)

We were happy to see this repainted GP38 leading a westbound stack train at the summit of Marias Pass. This GP38 was one of the first new units to wear Cascade Green when it was delivered in early... (more)

On a beautiful spring day along the southern border of Glacier National Park, an eastbound Burlington Northern Santa Fe stack train approaches Summit, Montana, on June 4, 2002.

Snaking through the multiple curves east of Summit, Montana, a Burlington Northern Santa Fe grain train traverses Marias Pass. Up front is an eclectic group of motive power led by warbonnet GE C44... (more)