UP 3020 leads a North Platte to Pocatello manifest as it tops Peru Hill, west of Green River.

After the passage of a large thunderstorm on Wyoming’s Peru Hill, the late afternoon sun pops out and lights up a Union Pacific stack train heading west on the Evanston Subdivision on June 22, ... (more)

A westbound Union Pacific container train works upgrade through the milepost 823 signals between Green River and Peru, Wyoming, on the afternoon of June 22, 2023.

On the morning of June 23, 2023, a trio of flared Union Pacific SD70Ms curves through a cut while heading downgrade on Peru Hill toward a crew change at Green River, Wyoming. Dirty and a bit faded... (more)

Union Pacific GE ES44AC No. 5417 leads a westbound UP freight past milepost 822 as the train climbs Peru Hill between Green River and Peru, Wyoming, on the afternoon of June 22, 2023.

Staying ahead of the storm
An eastbound Union Pacific manifest freight train drops downgrade at milepost 823 on Peru Hill, Wyoming, momentarily staying ahead of a storm approaching from... (more)

Meet on Peru Hill
A westbound Union Pacific stack train, led by GE ES44AC No. 5294, meets an eastbound UP manifest freight on Peru Hill between Green River and Peru, Wyoming, on the morn... (more)

Union Pacific GE ES44AC No. 5294 is the lone motor on the point of a westbound stack train climbing Peru Hill between Green River and Peru, Wyoming, on June 23, 2023.

Union Pacific EMD SD70ACe-T-4 No. 3031 leads a vehicle train westbound on the UP’s Evanston Subdivision, climbing the hill between Green River and Peru, Wyoming, on June 22, 2023.

On the afternoon of June 22, 2023, a storm advances eastward as a Union Pacific stack train quickly works westbound toward the top of Wyoming’s Peru Hill through the signals at milepost 823 on U... (more)

A massive wall cloud has filled the sky overhead, bringing wind and driving rain to Peru Hill, Wyoming, as another Union Pacific freight works westbound up the grade and into the rapidly advancing... (more)

A westbound Union Pacific freight enters a cut while climbing Peru Hill west of Green River, Wyoming, on the morning of June 22, 2023.

Lone Union Pacific EMD SD70ACe No. 8481 hauls a westbound UP freight up Peru Hill west of Green River, Wyoming, on the afternoon of June 25, 2021.

Catching some late sunlight, an eastbound Union Pacific freight descends Peru Hill, west of Green River, Wyoming, at 8:11 p.m. on the evening of June 25, 2021.

The setting sun lights up a passing thunderstorm, as ambient light from a brilliant Wyoming sky illuminates an empty potash train powered by a trio of Union Pacific EMD SD40-2s climbing Peru Hill ... (more)