Don't Pop the Boat! - Ice climber leading up from inflatable canoe in a glacier lake on the Matanuska Glacier in Alaska.

Don't Pop the Boat! - An ice climber leading up from inflatable canoe in a glacier lake on the Matanuska Glacier in Alaska.

Active woman ice climbing on the Matanuska Glacier in Alaska

Female ice climber climbing through a vertical tunnel, moulin, crevasse on the Matanuska Glacier in Alaska

Woman in rain jacket on gloomy day looking at Worthington Glacier in Alaska

Rainy day at the Worthington Glacier with woman in green rain jacket and hood looking toward the glacier in Alaska

Woman walking in the rain on rocky moraine on the Worthington Glacier

Walking over a pass of rocky moraine in the rain overlooking the Worthington Glacier

Woman paddling canoe into the ice cave of a glacier in Alaska

Paddling a canoe between crystal clear blue walls of an ice cave near the surface of ake-terminating Valdez Glacier in Alaska

Woman looking up from canoe inside ice cave in Alaska

A woman in the front of a canoe stops to appreciate the clear blue ice in the walls of an ice cave. Valdez glacier ice cave in 2016

Couple snowshoeing on a trail near Deer Valley, Utah

A young happy couple on a snowshoeing hike in Park City, Utah near Deer Valley Resort. The trail winds through aspen trees, evergreens, and brush with snow covering the ground and trees

Man Rappelling past opening of blue ice cave on Matanuska Glacier, Alaska

An ice climber in a green jacket and orange helmet rappels past a large rounded entrance to an ice cave on the Matanuska Glacier in Alaska.

Ice climber with no rope spanning a crevasse swinging an ice tool

Ice climber climbing out of a crevasse on the Matanuska Glacier in Alaska. He is soloing up the span and stemming both side of the crack in the ice.

Looking up rope with ascenders from inside a deep moulin ice cave in teh Matanuska Glacier, Alaska

Two ascenders on a rope leading up and out of a large moulin inside of a glacier. The ascenders are used to climb the rope back out to safety

Ice flying from an ice ax swing while on lead out of a moulin on the Matanuska Glacier, Alaska

A man lead ice climbing out of a large moulin or hole in the ice of the Matanuska Glacier in Alaska. To start the climb, he and his belayer rappelled into the hole filled with rushing water, then pulled the rope down to begin the committing climb back to safety

Ice climber in yellow jacket leading out of a moulin on the Matanuska Glacier, Alaska

A man leading an ice climb out of a large moulin or hole in the ice of the Matanuska Glacier in Alaska. To start the climb, he and his belayer rappelled into the hole filled with rushing water, then pulled the rope down to begin the committing climb back to safety

Ice climber viewed through a tunnel in the bottom of a moulin on the Matanuska Glacier in Alaska

An ice climber inside of a large ice tunnel in the bottom of a moulin. He is climbing out toward the top entrance to the hole

Man in red jacket lost on obvious trail

The trail is marked with two large cairns and a giant red arrow painted on a boulder, but this man appears to be lost. Grey, cloudy sky overhead and granite boulder field below. This trail was on the way up to a ski hut from the Snowbird Glacier in Hatcher Pass area near Palmer, Alaska

Man in red jacket standing on boulder overlooking glacially carved valley in THe Talkeetna Range, Alaska

Young man in backward ballcap and red rain jacket stands overlooking a huge glacial valley with clouds lining it's edges and green plants filling the inside of the valley. He stands near the Snowbird Glacier looking out into the deep wilderness of the Talkeetna Mountain Range of Alaska

Hiker above Snowbird Glacier in Hatcher Pass area of Alaska, summer 2017.

A hiker walks along a rocky ridge overlooking the Snowbird Glacier. Note that the pinnacle sticking out behind him was, until recently considered a Nunatak, but no longer as the glacier is melting

Hiker descending toward green glacial lake in Hatcher Pass area of Alaska

A hiker walks down a rocky slope toward a pastel-green lake, fed by a glacier high above, in the Talkeetna Mountains backcountry in Alaska

Hiker with large pack crossing a rocky river

A man steps his way across a rocky river in the Talkeetna wilderness of Alaska

Hiker standing above glacial valley in Talkeetna Mountains, Alaska

A young male stands with his backpack and hiking poles on a rocky viewpoint overlooking a glacial river valley in the Hatcher Pass area of Alaska

Recently moved massive glacier table on Penny Royal Glacier in Hatcher Pass area

Just moments before this photo, this massive boulder slid from its icy perch on the white ice to the right. Glacier tables form as the sun melts the ice around a boulder, but below is shaded from the sun, melting slower. The rock then becomes perched above the more quickly melting ice until it slides off

Man standing below huge cirque, glacier, and rocky peaks in the Talkeetna Mountains of Alaska

A hiker with his hands in his pockets stands on a rocky hill below an alpine scene of rocky peaks, glacier ice and scree slopes

Hiker descending steep rocky trail above glacial valley in Alaska

A man walks down a steep trail above a glacial valley in the Talkeetna Mountains. The trail is near the popular Bomber Traverse hike in the Hatcher Pass wilderness of the Talkeetna Mountains

Man hiking down steep trail in the Talkeetna Mountains, Alaska

A man in his mid-20's hikes with a daypack down a steep trail overlooking the Little Susitna River in the Gold-Mint Trail Valley of the Hatcher Pass area in the Talkeetna Mountain Range of Alaska.

Backpacker Next to Wilderness Hut in Talkeetna Mountains, Alaska

A man with a backpack out hiking walks up the trail to a red and green wilderness hut deep in the Talkeetna Mountains near Hatcher Pass, Alaska

Kayak moving through icebergs in alpine lake of Alaska

Icebergs float around a red kayak in front of the Spencer Glacier in Alaska. The lake is calm and smooth, barely disturbed by the kayak.

Red kayak floating among icebergs looking toward a glacier in Alaska.

A red kayak floats among many icebergs calved from the Spencer Glacier in the distance. Nearly perfect calm water of an alpine lake in Alaska.

Man standing below massive glacier calving face

A man stands on the water's edge just below a massive vertical face of the Spencer Glacier in Alaska.

Kayaker paddling away from dark, moraine covered glacier in Alaska

A man paddles his kayak away from the terminus of the Spencer Glacier. The ice is covered with dark moraine - dirt and rock ground up by the glacier.

Kayaker paddling away from terminal face of the Spencer Glacier in Alaska

A man in a red kayak paddles through perfectly still water of the Spencer Glacier's terminal lake. The glacier's ice towers overhead and icebergs can be seen floating in the distance.

Ice climber on rope climbing out of moulin with multiple vertical tunnels

Ice climber in yellow jacket climbing out of a large moulin with multiple vertical tunnels on the SPencer Glacier in Alaska.

Looking up from inside a glacier with rope and ascender to climb out

From deep inside a glacier moulin, looking straight up, the only way out is with a rope and attached ascender, used to grip the rope.

Ice climber abseiling into massive cavern in ice cave

A vertical shaft leads down into a massive ice cave in the SPancer Glacier, Alaska. An ice climber in yellow descends into the cavern under natural light from above.

Kayak moving toward the calving face of the Spencer Glacier in Alaska

A red kayak floating in the terminal lake of the Spencer Glacier points toward the calving terminal face of the glacier and a small valley in the mountains beyond.

Man and woman walking along small stream toward Berendon Glacier in British Columbia

Young man and woman, ice climbers hiking toward the Berendon Glacier in the Boundary Range of British Columbia

Backcountry hiking near large glacier in Canada. Man and woman walking a ridge above a glacier in the Boundary Range of British Columbia

Trekking above a large glacier in the Boundary Mountain Range of Canada. A young man and woman hike along a ridge overlooking a glacier in British Columbia.

Young woman hiking across the Berendon Glacier in British Columbia

Young woman hiking across a glacier in the backcountry of British Columbia. In the background are many tall mountains with hanging glaciers and rocky peaks.