Aspen trunks in the fall, White River National Forest, Colorado, United States of America, North America

Yellow aspens reflected in a beaver pond in the fall, Fishlake National Forest, Utah, United States of America, North America

Yellow aspens reflected in Round Lake in the fall, Fishlake National Forest, Utah, United States of America, North America

Fall colors of aspens with evergreens, near Ouray, Colorado, Uninted States of America, North America

Lane through fall aspens, Ophir Pass, Uncompahgre National Forest, Colorado, United States of America, North America

A grove of trembling aspens (Populus tremuloides), in fall coloration near Snowbowl, Flagstaff, Arizona, United States of America, North America

Yellow aspen leaves against a blue sky in the fall, Grand Mesa National Forest, Colorado, United States of America, North America

Aspens in the fall in fog, Grand Mesa National Forest, Colorado, United States of America, North America

Aspens in fall colors, near Ouray, Colorado, United States of America, North America

Bare aspen trees against a blue sky in the Dixie National Forest, Utah, United States of America, North America

Maroon Lake near Aspen, Colorado, United States of America, North America

Snowy landscape in June, at Independence Pass, elevation 12095 ft, in the Sawatch Mountains, part of the Rockies, in Aspen, Colorado, United States of America, North America

Trees in fall colours below snow covered Maroon Bell Mountains, at Aspen, Colorado, United States of America, North America

Fall colours in taiga, spruce, willow, dwarf birch and aspen, Susitna Valley, Alaska Range, Alaska, United States of America, North America

The Dyke with the fall colours, Grand Mesa-Uncompahgre-Gunnison National Forest, Colorado, United States of America, North America

Aspen trees in autumn colours, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Ice Rink, Aspen, Rocky Mountains, Colorado, United States of America, North America

Camping area on shore of Twin Lakes in San Isabel National Forest, with Sawatch Mountains, part of the Rockies, in the background, Aspen, Colorado, United States of America, North America

Barn near Snowmass Village, Aspen region, Rocky Mountains, Colorado, United States of America, North America

Yellow aspens and evergreens in the fall, Grand Mesa-Uncompahgre-Gunnison National Forest, Colorado, United States of America, North America

Landscape near Aspen, Rocky Mountains, Colorado, United States of America, North America

Barn near Snowmass Village, Aspen region, Rocky Mountains, Colorado, United States of America, North America

Elks Building, Aspen, Colorado, United States of America, North America

Aspen trees, Independence Pass, Colorado, United States of America (U.S.A.), North America

Yellow aspens in the fall, Colorado, United States of America, North America

Aspen trees (Populous tremuloides) in late day light, Vashon Island, Washington state, United States of America, North America

Display of ornate cowboy boots in a shop in Aspen, Colorado, USA, North America

Display of ornate cowboy boots and buffalo head in a shop in Aspen, Colorado, USA, North America

Shop selling cowboy hats in Aspen, Colorado, USA, North America

Maroon Bells, Aspen, Colorado, Rockies, United States of America, North America

Maroon Bells, Aspen, Colorado, Rockies, United States of America, North America

Independence Pass, Sawatch Range, Rocky Mountains, Aspen region, Colorado, United States of America, North America

Aspen trees, San Francisco Peaks, Arizona, United States of America, North America

X-ray inspection of hand luggage by airport security at the airport, Aspen, Colorado, USA, North America

Independence Pass, Sawatch Range, Rocky Mountains, Aspen region, Colorado, United States of America, North America

Landscape With Aspens, Colorado Rockies, Usa

Eye-shaped knot on American aspen trunk

Quaking aspen (Populus tremuloides) in autumn s, Wyoming, USA

Wet two-lane road near mountains

Caucasian girl carrying brother on back

Rustic log cabin in valley

Photographer Stephen Bedingfield is shooting the Northern Lights at the Ramparts waterfalls on the Cameron River, September 8, 2019. The Big Dipper is at centre. The aspen trees are nicely turning colour.

Aspen trees with fall color near Dillon Falls on the Deschutes River, central Oregon.

The Teton Range and Oxbow Bend on the Snake River in Grand Teton National Park, Wyoming.

American Black Bear ( Ursus americanus ) fat for winter in aspen black poplar tree Eli Minnesota USA

The Northern Lights over the waterfalls known as the Ramparts on the Cameron River east of Yellowknife, NWT, on September 8, 2019. The aspen trees are turning yellow on this September evening. This is looking northeast toward Perseus and Andromeda. M31 is at top centre.

American Black Bear ( Ursus americanus ) fat for winter in aspen black poplar tree Eli Minnesota USA

The Teton Range and Oxbow Bend on the Snake River in Grand Teton National Park, Wyoming.

Aspen trees, Maroon Bells area, White River National Forest, Colorado.

Northern Hawk Owl

Porcupine

Aspen trees in a forest, Dixie National Forest, Utah, USA

Aspen trees in a forest, Banff National Park, Alberta, Canada

Field of lupine and aspen trees, Wasatch Plateau, Utah, USA

Aspen trees in a forest, Grand Teton National Park, Wyoming, USA

Climber Aspens Grand Teton National Park WY USA

Aspen trees in a forest, Banff National Park, Alberta, Canada

Aspens Teton Range Grand Teton National Park WY USA

Bare Aspen Trees at Dark

Sunset at Independence Lake, Independence Pass, Aspen, Colorado, USA, North America, America

Fire warning sign at White River National Forest, Aspen, Rocky Mountains, Colorado, USA, North America, America

Ghost town Independence, Aspen, Rocky Mountains, Colorado, USA, North America, America

Ghost town Independence, Aspen, Rocky Mountains, Colorado, USA, North America, America

Aspen trees in Aspen, Colorado, USA, North America, America

Aspen trees in Aspen, Colorado, USA, North America, America

Barn near Aspen, Rocky Mountains, Colorado, USA, North America, America

Mt. Pyramid Peak and Mt. Maroon Peak, Aspen, Colorado, USA

Maroon Bells and aspen trees with fall colors, Aspen, White River National Forest, Colorado, USA

Log cabin, aspen trees and cottonwoods in fall colors, Dolores, San Juan National Forest, Colorado, USA

Moose (Alces alces), bull in snowstorm with aspen trees in fallcolors behind, Grand Teton National Park, Wyoming, USA

Gorgeous professional weed (Erigeron speciosus) Aspen professional weed, flower, North America, Germany, Europe

Moose (Alces alces), bull in snowstorm with aspen trees behind, Grand Teton National Park, Wyoming, USA

Mountain peak and Aspen trees with fall colors, Uncompahgre National Forest, Colorado, USA

Autumn mood, yellow aspen trees, Denali National Park, Alaska

Aspen trees with autumn colours, Denali National Park, Alaska, USA

An avalanche rescue dog, trained to sniff out victims buried in avalanches, finds a buried practice victim buried in the snow on the slopes of Snowmass Ski Resort, near Aspen, Colorado

Pat Sewell skiing in Aspen, Colorado

Chris Davenport and Matt Ross hiking ridgeline at Aspen Highlands, CO, United States of America

Car Driving On Curvy Mountain Road In The Rain Following Aspen Trees

Aerial view of a small mountain river with mountains in the distance

A row of fishing boats and autumn aspens trees reflecting in Silver Lake in the Sierra mountains of California

Beautiful aspen trees turn bright yellow during the fall along the Santa Fe National Forest Scenic Byway, New Mexico.

Yellow aspens clouds and a mountain reflecting in June Lake in the fall in the Sierra mountains of California

Telemark skier Jeremy Haas catches some big air off the cliffs at the top of Highlands Bowl, Highlands Ski Area, Aspen, CO. (motion blur)

Backcountry skiing to McNamara Hut, Aspen, Colorado.

Aerial view of fall colors and a road in Aspen Colorado with a fresh dusting of snow (Drone)

Marilyn & David Diener hike through an Aspen grove in Jackson Hole, Wyoming.

Man skiing at Aspen Resort, Colorado

Beth Rodden holds onto the prow of a boulder with aspen shadows visible on its face outside Estes Park, Colorado. Beth Rodden is one of the worlds leading climbers.

Fallen aspen leaves cover the trail to Wheeler Peak in Great Basin National Park.

Beautiful nature photograph of adult and young moose (Alces alces) on lakeshore, Lily Lake Trail, Rocky Mountain National Park, Estes Park, Colorado, USA

The Crystal Mill, a classic Colorado landmark, sits above the Crystal River reminding us of a time long ago, Colorado, USA

Independence Pass, Colorado, it runs between Twin Lakes and Aspen and is part of Colorado's Top of the Rockies Scenic Byway, USA

Aspen Tree Colony In A Snow Covered Landscape At Dusk, Beaver Creek, Colorado

An avalanche rescue dog, trained to sniff out victims buried in avalanches, finds a buried practice victim buried in the snow on the slopes of Snowmass Ski Resort, near Aspen, Colorado

A snowboarder jumps a feature in Aspen while filming for "The Art Of Flight".

Backlit quaking aspen trees (Populus tremuloides) in Telluride, Colorado.

Avalanche rescue dogs, trained to sniff out victims buried in avalanches, are carried down the slopes of Snowmass Ski Resort, near Aspen, Colorado to avoid injury.

Pine trees interspersed on bell mountain trail on Aspen Mountain in Aspen, Colorado, USA, Aspen, Colorado, USA

Yellow fall aspen trees beneath a snowy mountain at sunrise in the Sierra mountains of California