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4,340 ft · Adirondack High Peaks, New York

Allen Mountain

Allen Mountain is a 4,340 ft peak in the Adirondack High Peaks, New York. The standard route is the Allen Mountain Trail: 18 mi, 3,510 ft of gain, Class 2.

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Allen Mountain in the Adirondack High Peaks, New York

Allen Mountain at a glance

  • Elevation4,340 ft1,322 m
  • RouteAllen Mountain TrailClass 2
  • Distance18 mi3,510 ft gain
  • Time11 – 13 hrsVery Hard effort
  • SeasonJun – Oct
  • RangeAdirondack High PeaksNew York

Climbing the Allen Mountain Trail

From the Upper Works area near Tahawus, New York, Allen is one of the most remote High Peaks, requiring a very long approach on old roads and the Skylight Brook herd path. The final climb ascends a slick, reddish slide notorious for slippery algae. Expect mud, stream crossings, and roughly 18 miles round trip to a wooded summit with limited views. Remote with quick weather. Start well before dawn, carry ample water, food, and a headlamp, and expect a full, tiring day.

Gear and hazards

What to bring

  • Backpack (25–35 L)
  • Water
  • Water Filter
  • First-Aid Kit
  • Whistle
  • Offline Maps
  • Compass
  • Paper Map
  • GPS Device
  • Satellite Communicator
  • Headlamp
  • Power Bank
  • Hiking Boots
  • Trekking Poles
  • Midlayer
  • Insulated Jacket
  • Hardshell Jacket
  • Warm Hat
  • Light Gloves
  • Buff
  • Sun Hat
  • Sunglasses
  • Sunscreen

What to watch for

  • Stream crossing
  • Low visibility
  • Remote location
  • Boggy terrain
  • Slippery terrain
  • Insects

Allen Mountain on Yak

Climbers have shared 5 climbs of Allen Mountain on Yak. Read their trip reports and recent conditions in the app

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Quests with Allen Mountain

Peaks near Allen Mountain

  1. Mount Redfield

    Mount Redfield

    4,606 ft · 1.8 mi away

  2. Mount Skylight

    Mount Skylight

    4,926 ft · 2.0 mi away

  3. Gray Peak

    Gray Peak

    4,840 ft · 2.8 mi away

  4. Cliff Mountain

    Cliff Mountain

    3,960 ft · 2.8 mi away

Frequently asked questions

How tall is Allen Mountain?

Allen Mountain is 4,340 feet (1,322 m) tall. It is in the Adirondack High Peaks, New York.

How does Allen Mountain rank among the Adirondack 46ers?

At 4,340 feet, Allen Mountain is the 26th highest of the 46 Adirondack 46ers. The highest is Mount Marcy.

How hard is it to hike Allen Mountain?

The Allen Mountain Trail is Class 2, which means off-trail hiking with some use of your hands for balance. Yak rates the overall effort very hard: 18 miles with 3,510 feet of elevation gain.

How long does it take to hike Allen Mountain?

Most people take 11 – 13 hours round trip on the Allen Mountain Trail, covering 18 miles with 3,510 feet of elevation gain. That is a long day, so start before dawn and set a turnaround time.

Can a beginner hike Allen Mountain?

The Allen Mountain Trail needs no climbing skills, but it is a very hard day: 18 miles with 3,510 feet of elevation gain. Build up on shorter hikes first, start early and carry plenty of water and layers.

When is the best time to hike Allen Mountain?

The usual hiking window is June to October. Outside it, expect snow, storms or closed access, and check the summit forecast before you go.

What is the trailhead elevation for Allen Mountain?

The Allen Mountain Trail starts at about 1,770 feet, roughly 2,570 feet below the summit.

Climb Allen Mountain with Yak

Plan your route on a topo map, check the summit forecast, then log your climb and see what is left on your list

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