Best Anton Anderson Memorial Tunnel Tours & Trips
Linking the small community of Whittier to the wider road system, the Anton Anderson Memorial Tunnel is a remarkable feat of engineering and the longest highway tunnel in North America at 2.5 miles. Originally constructed during World War II for military access, it now serves as a vital connector to Whittier’s deep-water port and stunning backcountry access. Unique in its design, the tunnel operates as a single bore with bidirectional traffic managed by a timed signal system, ensuring safe passage through the rugged terrain of the Chugach Mountains. Travelers journeying through it are en route to breathtaking landscapes near Prince William Sound, where glaciers, wildlife, and kayaking adventures await. The tunnel’s seasonal accessibility and dramatic mountain surroundings make it not just a transit route, but a memorable part of any Southcentral Alaska trip.
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5.0
( 21 reviews )
Tour Code: 752964Start / End City
Anchorage
Duration
4.0 Days
City & Attractions
Anchorage, Talkeetna, Whittier
+8 more
Languages
Chinese Live, English Live
Group Type
Small Group
Save 3%
From $1,098.91
$1,065.95
4.8
( 48 reviews )
Tour Code: 753030Start / End City
Anchorage, Fairbanks
Duration
6.0 Days
City & Attractions
Anchorage, Talkeetna, Whittier
+11 more
Languages
Chinese Live, English Live
Group Type
Small Group
Save 3%
From $2,129.10
$2,065.23
5.0
Tour Code: 753036Start / End City
Whittier, Anchorage
Duration
3.0 Days
City & Attractions
Anchorage, Talkeetna, Willow
+7 more
Languages
Chinese Live
Group Type
Small Group
Save 3%
From $869.03
$842.96
5.0
Tour Code: 753033Start / End City
Whittier, Anchorage
Duration
2.0 Days
City & Attractions
Anchorage, Talkeetna, Matanuska-Susitna
+3 more
Languages
Chinese Live, English Live
Group Type
Small Group
Save 3%
From $509.00
$493.73
5.0
( 20 reviews )
Tour Code: 108366Start / End City
Anchorage
Duration
1.0 Day
City & Attractions
Whittier, Whittier Town, Anton Anderson Memorial Tunnel
Languages
Chinese Live, English Live
Group Type
Small Group
From
$310.00
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Best Time to Visit Anton Anderson Memorial Tunnel
Summer
2026
During summer (June-August), the Anton Anderson Memorial Tunnel near Whittier, Alaska, offers milder temperatures averaging 10-15°C (50-59°F), making it ideal for travelers accessing the scenic port town. As North America’s longest combined vehicle-rail tunnel, it opens to road traffic outside peak train hours, enabling smooth access to outdoor adventures. Summer brings extended daylight, perfect for hiking Bear Glacier, kayaking in Port Wells, or exploring the Chugach National Forest. The tunnel itself, a marvel of engineering, connects to Whittier’s unique attractions like the Begich Towers and its historic WWII-era infrastructure, drawing road trippers and cruise visitors alike.
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Autumn
2026
As autumn arrives (September-November), the Anton Anderson Memorial Tunnel near Whittier, Alaska, becomes a vital link through rugged terrain often blanketed in early snow. Cooling temperatures range from 2°C to 7°C (36°F-45°F), with increasing precipitation enhancing the moody beauty of surrounding mountains and forests. This seasonal shift makes the tunnel - North America’s longest highway tunnel - a key passage for visitors exploring Prince William Sound. On cleared days, travelers enjoy scenic drives, wildlife viewing, and access to Whittier’s dramatic coastal cliffs, while the nearby Begich, Boggs Visitor Center offers insights into glacial landscapes and local ecology, all amid crisp, invigorating air.
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Winter
During winter (December-February), the Anton Anderson Memorial Tunnel in Whittier, Alaska, connects the town to the outside world through North America’s longest highway tunnel, often experiencing temperatures as low as -7°C (19°F). Snow blankets the surrounding Chugach Mountains, creating stunning backdrops for winter adventurers. The tunnel operates with strict seasonal schedules, allowing access to Portage Valley and the Begich, Boggs Visitor Center - great for spotting frozen waterfalls and winter wildlife. With limited daylight, clear skies often reveal breathtaking aurora displays, making it a unique winter destination for road trippers and nature enthusiasts exploring Alaska’s rugged beauty.
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Spring
During spring (March-May), the Anton Anderson Memorial Tunnel near Whittier, Alaska, experiences cool temperatures averaging 0-8°C (32-46°F), with diminishing snowfall and lengthening daylight hours. This season offers safer, more predictable access to Whittier as winter ice hazards recede. The tunnel - North America’s longest highway tunnel at 2.5 miles - opens regularly, connecting scenic drives from Anchorage through Turnagain Arm. Ideal for adventurous travelers, spring allows exploration of nearby Chugach State Park, wildlife viewing, and early-season boat tours with fewer crowds and crisp, clear coastal views.
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FAQs about Anton Anderson Memorial Tunnel Tours
What are the operating hours for the Anton Anderson Memorial Tunnel?
The Anton Anderson Memorial Tunnel operates on a limited schedule, open only during specific hours for vehicles. It typically runs 2-3 two-way shuttles per day, with morning and afternoon departures from both Whittier and Portage. Exact times vary seasonally - check the official Alaska DOT website for the current shuttle schedule before travel.
Do I need to reserve a spot to drive through the Anton Anderson Memorial Tunnel?
Yes, reservations are required for non-commercial vehicles traveling through the tunnel. You must book a timed shuttle slot in advance through the Alaska DOT’s official tunnel reservation system, especially between May and September when demand is high. Walk-up availability is extremely limited.
Can pedestrians or cyclists use the Anton Anderson Memorial Tunnel?
Yes, pedestrians and cyclists can access the tunnel during designated open periods, usually outside of vehicle shuttle times. Access is free but strictly scheduled for safety. Check the Alaska DOT’s public use calendar for walk and bike windows, which vary seasonally. Helmets and reflective gear are strongly recommended.
Is the Anton Anderson Memorial Tunnel the longest highway tunnel in North America?
Yes, at 2.5 miles (13,300 feet) long, the Anton Anderson Memorial Tunnel is the longest highway tunnel in North America. It connects Portage via the Seward Highway to Whittier, a critical but narrow passage requiring controlled, one-way traffic under strict operational protocols.
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