As storm clouds gather over the Tehachapi mountains, a BNSF stack train emerges out of Tunnel 1 on UP's Mojave sub, grinding upgrade towards the summit at Tehachapi.

A southbound empty grain train climbs away from the horseshoe curve at Caliente, CA on its run up the Tehachapi Mts. to the high desert.

A southbound UP manifest sits on Main 1 at Caliente after adding two helper units to its consist while a southbound BNSF train works its way toward Bealville in the background.

Stack train meets stack train at Caliente as one in the hole waits for another to descend.

After waiting for two to descend at Caliente, 5043 started southbound as the Sun was dropping below the hills. The Sun was so low behind me that I was able to watch the shadows running down the tr... (more)

Northbound above the Caliente horseshoe.

The elevation and direction change at Caliente are highlighted in this shot of 4767 leading a northbound manifest. The rear of the train is still heading east and is seen above the lead locomotiv... (more)

After waiting for a westbound container train at Bena, 4493 is on the move and beginning the climb up the Tehachapi mountains.

In "Downtown" Caliente, the UP 1996 is about to hit the West Coast's infamous horseshoe curve as it climbs towards Tehachapi. IIRC, that is the northeastern facing portal of Tunnel 1 can barely be... (more)

UP 1996 rolls thru many of the curves and hills through out Caliente.

5292, 4361 & 5280 southbound intermodal

4334, 781, 5228, 4835 northbound stacker

southbound intermodal. NOTE Loco is Dash-9, location is Caliente, updates submitted.

BNSF 5215 & 5436, dpu on a southbound manifest

1087, 1009, 4832 northbound intermodal