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- Seymour Mountain
4,120 ft · Adirondack High Peaks, New York
Seymour Mountain
Seymour Mountain is a 4,120 ft peak in the Adirondack High Peaks, New York. The standard route is the Seymour Mountain Trail: 15 mi, 2,824 ft of gain, Class 2.
Seymour Mountain at a glance
- Elevation4,120 ft1,255 m
- RouteSeymour Mountain TrailClass 2
- Distance15 mi2,824 ft gain
- Time9 – 11 hrsVery Hard effort
- SeasonJun – Oct
- RangeAdirondack High PeaksNew York
Climbing the Seymour Mountain Trail
From the Coreys Road and Seward trailhead near Tupper Lake, New York, Seymour is reached via the Ward Brook truck trail and a steep, eroded herd path. The climb is muddy and slick with rough footing, gaining elevation quickly near the top, where partial views open up. The region is remote with quick weather changes. It is often climbed on its own given its separate herd path. Carry a map and ample water, start early, and expect a long approach with a steep finish.
Gear and hazards
What to bring
Backpack (20–30 L)
Water
Water Filter
First-Aid Kit
Whistle
Offline Maps- Compass
- Paper Map
GPS Device
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
Seymour Mountain on Yak
Climbers have shared 5 climbs of Seymour Mountain on Yak. Read their trip reports and recent conditions in the app
Quests with Seymour Mountain
Adirondack 46ersPeaks near Seymour Mountain
Frequently asked questions
How tall is Seymour Mountain?
Seymour Mountain is 4,120 feet (1,255 m) tall. It is in the Adirondack High Peaks, New York.
How does Seymour Mountain rank among the Adirondack 46ers?
At 4,120 feet, Seymour Mountain is the 34th highest of the 46 Adirondack 46ers. The highest is Mount Marcy.
How hard is it to hike Seymour Mountain?
The Seymour 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: 15 miles with 2,824 feet of elevation gain.
How long does it take to hike Seymour Mountain?
Most people take 9 – 11 hours round trip on the Seymour Mountain Trail, covering 15 miles with 2,824 feet of elevation gain. That is a long day, so start before dawn and set a turnaround time.
Can a beginner hike Seymour Mountain?
The Seymour Mountain Trail needs no climbing skills, but it is a very hard day: 15 miles with 2,824 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 Seymour 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 Seymour Mountain?
The Seymour Mountain Trail starts at about 1,740 feet, roughly 2,380 feet below the summit.
Climb Seymour 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