One of UP's newer ACM rebuilds leads a westbound stack train down Beaumont Hill in the early afternoon

UP 3025 leads this eastbound MWCLI upgrade thru San Timoteo Canyon.

UP 3031 leads a westbound MEWWC down Beaumont Hill at El Casco.

UP 2547 leads the MWCLI up San Timoteo Canyon in the early afternoon. 4th back is SSRX 9525.

A colorful eastbound MWCLI works up San Timoteo Canyon near El Casco.

ZAILC passes some colorful foliage in San Timonteo Canyon.

A break in storm systems found some sun in San Timoteo Canyon as UP 2767 works upgrade near El Casco.

UP 3074 works up San Timoteo Canyon at El Casco on the Yuma Sub.

C44ACM #6685 leads this eastbound MWCLI up San Timoteo Canyon at El Casco.

UP 6558, brand new C44ACM rebuild.

Brand new C44ACM rebuild #6558 leads a westbound manifest down San Timoteo Canyon near El Casco.

Brand new rebuild 7045 shoves on the rear of the MWCLI as it works up Beaumont Hill in the late afternoon.

Cotton Belt 9630 leads an eastbound manifest through the San Timoteo road crossing as it heads uphill towards Banning.

Flagless re-paint 7918 leads a westbound Ft. Worth to West Colton manifest down San Timoteo Canyon.

A very dirty SP 9255 grinds up hill through San Timoteo Canyon as it heads east towards the summit of Banning Pass.