A waterfall spills into Fossil Creek, flanked by fall foliage.
THERESA ROSE DITSON
NIKON D810, 1/10 SEC, F/13, ISO 160, 24-70 MM LENS
In Oak Creek Canyon, the leaves of an ash tree reveal autumn’s hues.
SUZANNE MATHIA
CANON EOS-1DS MARK III, 1/125 SEC, F/4, ISO 100, 70-200 MM LENS
Sunset and a stand of autumnal aspens battle for attention along Hart Prairie Road in Flagstaff.
BYRON NESLEN
CANON EOS 5DS R, 1/5 SEC, F/11, ISO 100, 24-70 MM LENS
The season’s change is marked by aspens’ transition from green to gold on the Kaibab National Forest.
LARRY LINDAHL
CANON EOS 5D MARK III, 1/4 SEC, F/22, ISO 100, 24-105 MM LENS
A grove of young aspen trees, which sprouted after the 2011 Wallow Fire, flaunt their autumn leaves in afternoon light in the Blue Range Primitive Area of Eastern Arizona.
JOEL HAZELTON
CANON EOS 5DS R, 0.6 SEC, F/16, ISO 100, 16-35 MM LENS
Autumn leaves flow through a reflecting pool in Oak Creek, near Sedona, producing a fascinating abstract of color and lines.
JOEL HAZELTON
CANON EOS 5DS R, 5 SEC, F/32, ISO 100, 70-200 MM LENS
The placid waters of Prescott’s Lynx Lake reflect the changing colors of surrounding trees.
THERESA ROSE DITSON
NIKON D810, 1/40 SEC, F/14, ISO 100, 70-200 MM LENS
Sunset amplifies the gilded trees of Sycamore Canyon near Parsons Spring.
THERESA ROSE DITSON
NIKON D810, 1/20 SEC, F/13, ISO 64, 24-70 MM LENS
Fog lingers over a stand of golden aspens in Lockett Meadow, in the San Francisco Peaks.
CLAIRE CURRAN
CANON EOS 5DS R, 1/80 SEC, F/11, ISO 100, 100-400 MM LENS