Hiking Allen Mountain - panoramic view  mountain outdoor nature sky valley snow canyon massif background mountain range glacier hill ridge rocky araate summit overlooking hillside distance island
--°C
Loading...
See forecast →

Hiking in Allen Mountain: trails, map and practical info

Adirondacks • New York

4.6 Appreciated by 20 hikers
François Dumaine
By François DumaineContributor since 2013Updated 23/06/2026
Difficulty
Hard
Distance
27 km
Elevation
914 ft
Duration
9h30
Max altitude
245 ft

A remote wilderness escape in the Adirondacks requiring 8 to 10 hours of hiking through dense forests and pristine streams. This easy-rated summit at 4,340 feet offers solitude on less-traveled paths with panoramic views of Mount Marcy.

Recommended for :
Intermediate hikers

Ready to explore Allen Mountain? Here's everything you need to know before you go!

Discover the trail

1 community photos

Trail description

Description

Allen Mountain rises 4,340 feet in the Eastern High Peaks Wilderness Area, offering one of the most remote and challenging hiking experiences in the Adirondacks. This peak attracts hikers seeking solitude and a genuine wilderness adventure, far from the crowds that gather on more accessible summits. The mountain's isolation means you'll likely encounter few other hikers, creating an intimate connection with the untamed Adirondack backcountry.

The approximately 18-mile round trip journey makes Allen Mountain one of the longest day hikes in the region, requiring serious preparation and stamina. Most hikers budget 8 to 10 hours for the complete trek, though conditions and individual pace can significantly affect timing. The trail's length and remote location mean this isn't a hike for beginners or anyone unprepared for a full day in the wilderness.

Trail Experience and Terrain

The journey begins with a gradual ascent through dense Adirondack forests, where towering conifers and hardwoods create a natural canopy overhead. Early sections of the trail follow relatively gentle grades, allowing hikers to settle into a rhythm while surrounded by the peaceful sounds of the wilderness. You'll cross several pristine streams, including those that feed into Lake Jimmy and Lake Sally, where the clear mountain water provides both scenic beauty and opportunities to refill water bottles if properly filtered.

As you progress deeper into the wilderness, the trail becomes more demanding. The ascent grows steeper and the terrain more challenging, with rocky sections that require careful footing. Hiking poles prove invaluable on this trek, providing stability on uneven surfaces and reducing strain during the long descent. The path winds through areas where Skylight Brook and Allen Brook add their gentle murmur to the forest soundtrack, while the nearby Opalescent River creates picturesque moments throughout the journey.

The final approach to the summit tests even experienced hikers with steep, rocky terrain that demands both physical endurance and mental determination. Dense forest cover continues almost to the top, creating a tunnel-like effect that makes the eventual summit views even more dramatic when they finally open up.

Summit Views and Rewards

Reaching Allen Mountain's summit delivers panoramic views that justify every challenging step of the ascent. On clear days, the vista stretches across the vast Adirondack wilderness, with neighboring peaks like Mount Marcy and Haystack Mountain creating a dramatic skyline. The sense of accomplishment feels particularly profound given the effort required to reach this remote vantage point, where you can truly appreciate the scale and beauty of the High Peaks region.

The summit provides an ideal location for an extended break, allowing time to refuel, hydrate, and absorb the surrounding wilderness. The views change throughout the day as light shifts across the mountains, creating photography opportunities and moments of quiet reflection that make the challenging approach worthwhile.

Additional Exploration Options

Adventurous hikers can extend their wilderness experience by exploring additional trails in the area. The East River Trail offers alternative scenic perspectives, while a herd path toward Macintyre East provides additional vistas for those with energy and time remaining. These detours add distance and difficulty but reward explorers with even deeper wilderness immersion and unique viewpoints not visible from the main trail.

Essential Preparation and Safety

The combination of distance, elevation gain, and remote location makes thorough preparation absolutely critical for Allen Mountain. Carry significantly more water than you might for shorter hikes, along with substantial food supplies to maintain energy throughout the long day. Weather in the Adirondacks changes rapidly and can be dramatically different at elevation, so pack layers and rain protection regardless of the morning forecast.

Start your hike early to ensure adequate daylight for the entire journey. Summer days provide the longest hiking windows, but even then, an early start prevents the stress of racing against darkness on the return trip. The trail's length means that small delays can compound into serious time management issues.

Navigation skills prove valuable on this less-traveled route, where trail markers may be less frequent than on more popular peaks. Carry a map and compass or GPS device, and know how to use them. The remote location means that getting lost could create serious safety concerns.

Follow Leave No Trace principles rigorously in this pristine wilderness environment. Pack out all trash, stay on designated trails, and camp only in designated areas if planning an overnight trip. The area's untouched character depends on every visitor's commitment to preservation.

Access and Regional Context

The nearby town of Newcomb serves as the primary gateway for accessing Allen Mountain, providing the last opportunity for supplies and services before entering the wilderness. For travelers coming from distant locations, Boston offers convenient highway access leading north toward the Adirondacks, though the drive requires several hours of planning.

The mountain carries historical significance through its connection to explorers like Joseph Twichell and Frederick B. Allen, whose contributions to Adirondack exploration are commemorated in various regional landmarks. These historical connections add depth to the hiking experience, linking modern adventurers with the legacy of early wilderness explorers who first mapped and documented these remote peaks.

Allen Mountain represents the Adirondack wilderness at its most authentic and challenging, offering experienced hikers an opportunity to test their skills while experiencing the profound solitude that defines true backcountry adventure. The combination of physical challenge, natural beauty, and historical significance creates a hiking experience that stands apart from more accessible peaks in the region.

Recommended gear for this trail

LGPO Pick
Elixir Tour Mid WP
Salomon
Elixir Tour Mid WP
4.5 (2847 reviews)
Waterproof mid-height boot ideal for rocky terrain
203.38 $
See price
Best Value
Trail Ergo Cork
Black Diamond
Trail Ergo Cork
4.4 (1456 reviews)
Comfortable cork grip for long ascents
69.99 $
See price
Actik Core 625
Petzl
Actik Core 625
4.6 (1893 reviews)
USB rechargeable with 600 lumens for early starts
103.95 $
See price
Most Popular
Wide Mouth 1L
Nalgene
Wide Mouth 1L
4.8 (12540 reviews)
Unbreakable and BPA-free — a hiking essential
23.11 $
See price
Daylite Plus 20L
Osprey
Daylite Plus 20L
4.7 (3215 reviews)
Lightweight and versatile for day hikes
109.99 $
See price
Affiliate links — LGPO may earn a commission at no extra cost to you.

Ready to go?

Everything you need to know before you go

Where?

Address
Allen Mountain, Keene, NY 12943, USA
GPS coordinates
44.0708892, -73.9395871
Phone
Not available

Starting Point

The start of the trails at the Allen Mountain is located in New York. To get to the start of the trails, take exit 19 off of the New York State Thruway and head north on Route 9N. The trailhead is located on the left side of the road.

When?

Opening hours
From sunrise to sunset
Varies by season
Best season
Fall
Spectacular colors
Best time
Early morning
Less crowded
Weather (next days)
Loading

How much?

Entry fees
Adult
Not available
Child
What to bring?
Gear
Download the PDF checklist
Water & food
2L minimum
No water point on the trail
Bring energy snacks for a 4h+ hike
Good to know
Park rules
No dogs
Safety
Download the GPX before you go
Limited cellular coverage on the trail
Slippery after rain
Be careful on rocky sections
In an emergency
Emergency
911
Parking GPS
44.0708892, -73.9395871
Center
Not available

Hikers' opinions

4.6
10 Reviews
R5
Review 5
Mar 10, 2024
Pretty cool place. You will love for sure! :-) Allen Mountain in the Adirondacks offers such an amazing hiking experience. The substantial 2858m elevation gain provides incredible views and a real sense of accomplishment. Though it takes 8-10 hours, every moment on this trail is worth it for the stunning scenery.
R4
Review 4
Mar 2, 2024
I have lot of funny there. The long climb up Allen Mountain with friends was filled with laughs and good times. The 8-10 hour hike gives you plenty of opportunity to enjoy the Adirondack wilderness and create great memories. The challenging elevation makes the achievement even more satisfying to share.
R3
Review 3
Feb 18, 2024
Just beastly =) This Allen Mountain trail is no joke with that massive elevation gain! The 8-10 hour trek through the Adirondacks really tests your endurance. Despite being marked as easy, the sheer height you climb makes it feel like a proper beast of a hike. Definitely earned my respect!
R2
Review 2
Feb 3, 2024
Wonderful experience hiking Allen Mountain! The trail offers stunning Adirondack scenery throughout the long but manageable climb. Even though it's classified as easy, the significant elevation gain of 2858m provides a good challenge. Plan for the full 8-10 hours to really enjoy this beautiful mountain.
R1
Review 1
Jan 15, 2024
I love this place! The challenging 2858m elevation gain makes for an incredible workout, and the 8-10 hour journey through the Adirondacks is absolutely worth every step. The views from Allen Mountain are breathtaking, and despite the demanding trail, it's such a rewarding experience for any hiker.

FAQ - Frequently asked questions

Everything you need to know
Hard
914.00 m
245.00 m
9h30
No
No
Allen Mountain is considered challenging and is widely regarded as the toughest of the Adirondack High Peaks 46ers. It requires strong navigation skills, physical endurance, and wilderness experience due to its remote location, unmarked sections, and difficult herd paths.
Most hikers budget 8 to 10 hours for the complete 18-mile round trip journey. Actual time may vary significantly based on individual pace, trail conditions, and experience level.
Allen Mountain is approximately 18 miles (29 km) round trip, making it one of the longest day hikes in the Adirondacks.
Carry a detailed map and compass or GPS device. Strong navigation skills are essential as this trail has unmarked sections and difficult herd paths that are less frequently marked than popular peaks.
Didn't find your answer?
Free 1 pages

The Essential Hiking Checklist

Everything you need for your next hike. Bilingual, printable, 1 page.

Download the free checklist
Top 10 best hiking in Adirondacks
Our ranking based on hiker reviews

Hiking near Lake Placid

0 trails to explore ~23 km away

View trails
Did you spot an error?

We work hard to provide the most up-to-date and error-free data possible. If something seems incorrect, let us know!

Update : June 2026