Highlight • Summit
Hiking
5.0
(1)
Armstrong Mountain is a prominent summit nestled within the rugged Great Range of the Adirondack Mountains in New York, United States. Standing at an elevation of 4,400 feet (1,341 meters), it ranks as the 22nd-highest of the Adirondack High Peaks. Located in the town of Keene in Essex County, this challenging peak offers hikers a true Adirondack wilderness experience, surrounded by the vast High Peaks Wilderness Area.
Hikers consistently praise the panoramic views from Armstrong Mountain's summit, which extend across the Johns Brook Valley and the Ausable River valley, encompassing other majestic peaks of the Great Range, including Gothics. The sense of accomplishment after navigating its challenging terrain and reaching the open slabs at the top is a significant draw, making the rewarding vistas even more memorable.
Before embarking on an Armstrong Mountain adventure, hikers should be prepared for a challenging ascent that often includes steep sections, and potentially ladders or cables on some routes. Physical fitness and proper gear are essential, especially during winter when snowshoes and crampons are necessary. Access points like the Garden Parking Lot in Keene Valley or the Ausable Club on the Lake Road Trail serve as popular starting points, but it's wise to check for parking availability and reservation requirements during peak seasons.
The mountain is primarily enjoyed through hiking, with many choosing to tackle it as part of a larger loop that includes neighboring peaks like Upper Wolfjaw Mountain and Lower Wolfjaw Mountain. While challenging, the journey through the subalpine environment offers opportunities to observe unique alpine flora. For those seeking a winter hiking Armstrong Mountain summit experience, the snow-covered landscape transforms into a serene, yet demanding, environment.
The Phelps Trail and ADK Range Trail offer a common approach to Armstrong Mountain. Starting from the Garden Parking Lot on New York State Route 73, the Phelps Trail leads to a DEC Interior Outpost. From there, the ADK Range Trail continues towards Wolf Jaws Notch, eventually branching towards the summit of Armstrong, making for a substantial one-way distance and significant elevation gain.
Reaching the summit of Armstrong Mountain provides a profound connection with the Adirondack wilderness. Hikers often recount the exhilarating feeling of standing atop the open slabs, with the vast expanse of the Great Range unfolding around them. The quiet solitude and the sheer scale of the surrounding peaks create standout moments for those who make the journey.
Exploring the various Armstrong Mountain routes allows hikers to tailor their adventure to their skill level and desired challenge. Whether you're planning a multi-peak traverse or a dedicated ascent to this High Peak, komoot offers a range of hiking and trail running routes to help you prepare and navigate the diverse terrain of the Adirondacks.
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Nearby routes
Best routes near Armstrong Mountain

5.0
(1)
27
hikers
24.1km
09:38
1,310m
1,170m
This difficult 15.0-mile loop in the High Peaks Wilderness offers challenging terrain, significant elevation gain, and panoramic views.

4
hikers
37.0km
15:37
2,260m
2,260m
The Great Range Traverse is a difficult 23.0-mile hike in the Adirondacks, featuring rugged terrain, technical sections, and stunning mounta

4
hikers
24.4km
10:38
1,280m
1,950m
The Upper and Lower Wolfjaw Peaks via Deer Brook Trail is a difficult hike, covering 15.1 miles (24.4 km) with an elevation gain of 4207 feet (1282 metres). You should plan for about 10 hours and 38 minutes on the trail. Expect a rugged journey through dense forest, with rocky ascents and descents. The route offers a true wilderness feel, and you will find rewarding views from Upper Wolfjaw Mountain after a challenging climb.
Access to this route is typically through the Adirondack Mountain Reserve, which requires a parking reservation between May 1st and October 31st. Make sure to check the reservation system before you go. Dogs are not allowed on this trail, so leave your furry friends at home. It is crucial to carry enough water, as sources become scarce at higher elevations.
This trail stands out for its exploration of the High Peaks Wilderness, offering a deep dive into the region's natural beauty. While Lower Wolfjaw's summit is mostly treed, the journey itself provides a sense of accomplishment. You will also encounter scenic sections along Deer Brook, adding to the varied landscape of the hike.
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Elevation 1,320 m
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The two main access points for Armstrong Mountain are the Garden Parking Lot in Keene Valley, which serves the Phelps Trail and ADK Range Trail, and the Ausable Club, which provides access via the Lake Road Trail and Beaver Meadow Trail. Hikers should be aware that parking at these trailheads, especially the Garden Parking Lot, often requires reservations during peak seasons.
The hike to Armstrong Mountain is considered challenging, involving a significant elevation gain of approximately 2,500 feet (760 meters) and a one-way distance of about 7.0 miles (11.3 km) from the Garden Parking Lot. Hikers should expect steep sections, and some routes within the Great Range may include ladders or cables. It is often undertaken as part of a multi-peak traverse, requiring good physical fitness and proper gear.
Yes, Armstrong Mountain can be hiked in winter, offering a serene yet demanding experience. However, winter conditions require specific preparation. Hikers must carry and use snowshoes and crampons, and be prepared for colder temperatures, shorter daylight hours, and potentially deeper snow. Experience with winter mountaineering is highly recommended.
Generally, dogs are permitted on trails in the Adirondack High Peaks Wilderness, including those leading to Armstrong Mountain, but they must be kept on a leash. Hikers should ensure their dogs are capable of handling the challenging terrain and long distances, and always practice Leave No Trace principles, including packing out all waste.
From the summit of Armstrong Mountain, hikers are rewarded with impressive panoramic views. These include sweeping vistas of the Johns Brook Valley, the Ausable River valley, and the surrounding peaks of the Great Range, such as Gothics. The open slabs at the top provide excellent vantage points for photography and enjoying the vast Adirondack wilderness.
A round trip hike to Armstrong Mountain from the Garden Parking Lot, covering approximately 14 miles (22.6 km) with significant elevation gain, can take an average of 8 to 12 hours for experienced hikers, depending on pace, breaks, and whether it's part of a larger loop with other peaks. It's advisable to start early in the day.
Armstrong Mountain itself is a challenging High Peak and is generally not recommended for beginners or young children due to its length, elevation gain, and rugged terrain. However, the broader Keene Valley and Adirondack Park offer numerous easier trails suitable for families and beginners. It's best to research specific trails in the surrounding area for less strenuous options.
Parking for Armstrong Mountain, particularly at the popular Garden Parking Lot, can be very limited and often requires reservations, especially during peak seasons (summer and fall weekends). It's crucial to check the latest Adirondack Mountain Reserve (AMR) or Department of Environmental Conservation (DEC) regulations and secure a reservation well in advance to avoid disappointment.
Yes, Armstrong Mountain is frequently hiked as part of a larger loop or traverse of the Great Range. Popular options include combining it with neighboring peaks like Upper Wolfjaw Mountain and Lower Wolfjaw Mountain, or even extending to Gothics. These multi-peak routes offer a more extensive and challenging Adirondack experience.
Armstrong Mountain is named after Thomas Armstrong, a 19th-century lumberman who, along with a business partner, purchased the Totten and Crossfield Purchase, which included the mountain, in 1866. Armstrong named the mountain after himself in 1869. The earliest recorded ascent was made in 1875 by Ed Phelps and Thomas P. Wickes.