Removed from the rest of the United States, Alaska is a place where towering glaciers spill into turquoise fjords, mountains rise like fortresses, and wildlife still roams as if humans are merely passing through. For hikers, paddlers, and wilderness seekers, Alaska is a dream destination. You can trek across an ice field one day, kayak beside otters the next, and still have energy to climb a mountain that same week. Whether you want solitude in boreal forests or adrenaline on steep alpine trails, Alaska’s landscapes deliver. This guide highlights the best outdoor adventures in Alaska with a mix of accessible hikes, glacial paddles, and rugged summits that showcase the state’s wild beauty.

Crow Pass Trail to Crystal Lake

For a classic Alaskan day hike, the Crow Pass Trail to Crystal Lake delivers the perfect combination of rugged scenery and approachable adventure. This 10km (6.2 mi) route winds through wildflower meadows and lush spruce forests before climbing into alpine terrain where you’re rewarded with views of Crystal Lake shimmering amid mountain walls. The trail is steep in sections, with about 640m (2,100 ft) of elevation gain, but the payoff is the sense of remoteness just outside of Seward. Hikers often spot marmots, ptarmigan, the occasional moose, and other iconic North American animals along the route. On clear days, glaciers crown the surrounding ridges, reminding you that Alaska’s ice is never far away.

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Harding Icefield Trail to Exit Glacier

If there’s one hike in Alaska that leaves you speechless, it’s the Harding Icefield Trail. This demanding 12km (7.4 mi) trek climbs 1,067m (3,500 ft) above the tree line to a panoramic overlook of the Harding Icefield, a vast sheet of ice that feeds more than 40 glaciers, including the dramatic Exit Glacier. The journey itself is as memorable as the view. You pass through cottonwood forests, alpine meadows filled with lupine, and eventually snowfields where mountain goats sometimes graze. The higher you climb, the more the horizon becomes a sea of ice. Standing at the overlook, it feels as though you’ve stepped back into the Ice Age.

A woman traveller touches the remnants of Exit Glacier while hiking in Alaska

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Mt Marathon Summit

Every July 4, Seward hosts one of the most famous foot races in North America: the Mt Marathon Race, where competitors scramble 921m (3,022 ft) up the mountain and then hurtle back down to town. You don’t need to be an athlete to enjoy the summit, and any reasonably fit hiker can tackle this strenuous climb and be rewarded with 360-degree views of Resurrection Bay and the Kenai Mountains. The trail is only about 4.8km (3 mi) round trip, but don’t be fooled: it’s steep, gaining nearly 304m (1,000 ft) per mile. Loose rock and exposed ridges make this an adrenaline-pumping ascent, but the moment when you look down on Seward, tiny below you, is unforgettable. Go early in the morning to avoid crowds, and carry trekking poles for stability. If you’re in town on the Fourth of July, don’t miss watching the race. It’s pure Alaskan grit on display.

Experience it for yourself on: Hike Alaska: Glaciers and Denali


Kayaking in Resurrection Bay

Seeing Seward from the water is a spectacular experience. Resurrection Bay is framed by forested mountains and glaciers, and paddling here brings you eye-level with the marine life that thrives along Alaska’s coast. Kayakers often encounter sea otters floating on their backs, puffins darting through the waves, and even humpback whales breaching in the distance. Seals may pop their heads up beside your kayak, while bald eagles soar overhead. The sheltered waters make it accessible even for beginners, and half-day or full-day tours depart regularly from Seward.

A woman traveller kayaks in Resurrection Bay, Alaska

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Talkeetna Lake Trail

Located near the quirky town of Talkeetna, the Talkeetna Lake Trail is a gentle but rewarding 6km (3.7 mi) loop through old-growth boreal forest. It's a place where the silence is broken by bird calls and the splash of beavers or otters in the lake. The trail is mostly flat, making it a perfect warm-up hike on your way to Denali National Park. It’s also a wonderful introduction to Alaska’s smaller wildlife. Watch for kingfishers, loons, and tracks along the muddy shore. Talkeetna itself is worth a stop, with its mix of mountaineering history (it’s the staging town for Denali climbs) and vibrant arts scene. You can easily pair this walk with a flight-seeing tour around North America’s tallest peak.

Experience it for yourself on: Alaska in Winter: Northern Lights & Dog Sledding Adventure


Horseshoe Lake Trail

For hikers who want a taste of Denali National Park without a full backcountry expedition, the Horseshoe Lake Trail is ideal. One of the best hikes in the United States, this easy 3.2km (2 mi) loop begins near the Denali Visitor Center and descends to a peaceful lake bordered by spruce forest. Beavers have built dams here, and you can often spot them at work in the evening. The loop also offers a viewpoint of the Nenana River rapids, where whitewater rafters challenge the current. It’s a hike suitable for almost anyone, yet it still feels immersed in Alaska’s wilderness. For solo travellers, it’s a safe and scenic option, and you’re likely to meet fellow hikers along the way.

Autumn colours in the trees surrounding Horseshoe Lake, Alaska

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Kayaking on Glacier Lake

Paddling among icebergs is a bucket-list experience, and you can do exactly that on Glacier Lake near Valdez. Fed by the Valdez Glacier, the lake is dotted with shimmering blue icebergs that slowly drift across the water. Kayaking here is surreal. You weave between chunks of ice surrounded by snow-capped peaks and absolute silence. Because conditions can be unpredictable, most travellers book guided tours, which provide gear and safety equipment. It’s a prime example of how Alaska blurs the line between adventure and otherworldly beauty.

Experience it for yourself on: Hike Alaska: Valdez and Wrangell St Elias


Mt Healy Overlook Trail

If you’re craving a more challenging adventure near Denali, the Mt Healy Overlook Trail delivers. This moderate-to-strenuous hike climbs about 518m (1,700 ft) in just under 4km (2.5 mi), rewarding hikers with expansive views over the Nenana Valley and the Alaska Range ridges. The climb can be tough. Expect switchbacks and steep sections. But reaching the overlook feels like standing on top of the world. From here, you can watch weather systems sweep across the valley, and with luck, even catch a glimpse of Denali itself on a clear day. This trail is especially stunning in fall, when tundra vegetation turns red and gold. Pack layers because the wind at the top can be fierce.

A male traveller stands on a rocky ledge looking out on the landscape on the Mt Healy Overlook Trail in Alaska

Experience it for yourself on: Hike Alaska: Glaciers and Denali


Worthington or Matanuska Glacier Hike

For a hands-on glacier experience, the Worthington Glacier (near Thompson Pass) and Matanuska Glacier (northeast of Anchorage) are among the most accessible. Both offer trails and viewpoints that bring you close to the ice, with options for guided hikes right on the glacier itself. Walking on ancient blue ice, hearing the creak of frozen rivers beneath your feet, and peering into deep crevasses is humbling and thrilling. These guided experiences are suitable for beginners and provide a tangible connection to Alaska’s glacial landscapes. These landscapes are retreating because of climate change, which makes every visit even more poignant.

Experience it for yourself on: Ultimate Active Alaska


Bonanza Mine Trail

For hikers seeking a true wilderness challenge, the Bonanza Mine Trail in Wrangell-St Elias National Park is a standout. This strenuous 14.5km (9 mi) trek climbs nearly 1,219m (4,000 ft) to reach the ruins of a historic copper mine perched high above the Kennicott Glacier. The hike is tough. Expect scree slopes, steep switchbacks, and a relentless climb, but the rewards are staggering views of the glacier and the surrounding Wrangell Mountains. The abandoned mine structures add a haunting, historical dimension to the landscape, reminding you of Alaska’s mining past amid its wild present.

A crumbling wood-framed building on the Bonanza Mine Trail in Alaska

Experience it for yourself on: Hike Alaska: Valdez and Wrangell St Elias


Organizing your Alaska adventure

With so many options, how do you craft the perfect Alaskan adventure? The key is balance.

Mix it up

Alaska shines brightest when you combine activities: pair a glacier hike with a kayak trip, follow a challenging mountain trek with an easy forest loop, or balance days of physical effort with scenic drives through national parks. This variety keeps your trip dynamic and allows you to experience different sides of the wilderness.

Gradual intensity

Plan your trip so that the hikes and climbs build in difficulty. Start with accessible trails like Horseshoe Lake or Talkeetna Lake to warm up, and then tackle more demanding treks such as Mt Healy or the Harding Icefield Trail once your legs are acclimated. By pacing yourself, you’ll enjoy each adventure fully without burning out too soon.

Flexibility with tours

Many of these adventures can be done independently if you’re confident with navigation and wilderness safety, but Alaska is wild country, and joining a guided experience often enhances both safety and storytelling. If you prefer an expert guide, seamless logistics, and companionship, sign up for a G Adventures tour, such as Alaska Kenai & Denali Adventure or Hike Alaska: Glaciers and Denali. Trips like Journeys: Discover Alaska offer guided itineraries with shorter hikes tailored to blends of wilderness and comfort.

Wildlife encounters

Part of what makes adventuring in Alaska so thrilling is the wildlife. From moose grazing trailside to whales breaching offshore, animal encounters are almost inevitable. Carry binoculars to spot bald eagles, Dall sheep, and bears from a safe distance. Always follow Leave No Trace principles and respect animal habitats. Remember, in Alaska, you are a visitor in their world.

A grizzly bear with a fish in its mouth walks across a stream in Alaska

Winter variation

If you're craving adventure under the Northern Lights, the G Adventures Alaska in Winter: Northern Lights & Dog Sledding Adventure tour delivers dog sledding, frozen landscapes, and dazzling night skies. Winter is a completely different, unforgettable Alaska season.

Go all out

For maximalist adventurers, the G Adventures Ultimate Active Alaska tour blends glacier hikes, Denali backcountry exploration, and active ecotours in one itinerary. For travellers who want structure and companionship, the Alaska itineraries offered by G Adventures are a fantastic way to tie these experiences together, adding safety, insight, and connection. For independent explorers, Alaska offers a canvas where you can sketch your own adventure, one glacier, one trail, and one wildlife sighting at a time.