Difficulty | Very hard | |
Distance | 11.3 KM | |
Estimated Time | 4 to 5 hours. | |
Elevation gain | 331 meters |
See photos of hiking
Why choose a trail at Dunderberg Mountain, New York?
Discover Dunderberg Mountain: A Hiker's Haven in the Hudson Valley
Welcome to Dunderberg Mountain, a hidden gem nestled in the heart of New York's picturesque Hudson Valley. If you're a hiker, outdoor enthusiast, or simply someone looking to escape into nature's embrace, this is your perfect destination.
A Trail for Every Adventurer
Dunderberg Mountain offers a variety of trails that cater to all levels of hikers. Whether you're a seasoned trekker or just starting out, you'll find a path that suits your pace and skill level. The most popular route is the Dunderberg Spiral Railway Loop, which takes you on an intriguing journey through history and nature. As you hike along this trail, you'll encounter remnants of an ambitious but unfinished railway project from the late 19th century—a fascinating glimpse into the past.
For those seeking more adventure, consider exploring the Cornell Mine Trail and Timp-Torne Trail. These paths offer unique challenges and lead you through some of the most scenic parts of Harriman State Park. Each step brings new discoveries as you traverse diverse terrains and enjoy breathtaking views.
Breathtaking Views Await
One of the highlights of hiking Dunderberg Mountain is the stunning panoramic views it offers. As you ascend, be prepared to be awed by sweeping vistas of the Hudson River and surrounding landscapes. On clear days, you can even catch sight of the distant Manhattan skyline—a rewarding sight after a fulfilling hike.
The nearby Fort Montgomery adds historical depth to your visit, offering insights into its strategic significance during the Revolutionary War. This site enriches your hiking experience with stories from America's past.
Flora and Fauna Galore
Nature lovers will delight in the diverse flora and fauna that call Dunderberg Mountain home. The trails wind through lush forests filled with oak, maple, and birch trees. Keep an eye out for local wildlife such as deer, foxes, and various bird species that add life to this vibrant ecosystem.
Plan Your Visit
Before heading out on your adventure, make sure to pack essentials like water, snacks, and appropriate footwear. The trails are well-marked but can be challenging in certain sections, so it's always wise to come prepared. Parking is available at trailheads near Route 9W, making access convenient for day-trippers.
If you're coming from Verplanck or Peekskill areas, you'll find easy routes leading directly to these trailheads. These towns serve as great starting points for your journey into nature.
Respect Nature
As with any outdoor excursion, it's important to practice Leave No Trace principles. Respecting the environment ensures that Dunderberg Mountain remains a pristine haven for future generations of hikers and nature enthusiasts.
Whether you're seeking solitude in nature or an invigorating hike with friends, Dunderberg Mountain promises an unforgettable experience. Lace up your boots and embark on an adventure that combines natural beauty with historical intrigue—right here in the enchanting Hudson Valley!
Trail maps

Rate & open hour
41.28569
What are the coordinates and address ?
Starting Point
To access the hiking trails, you can start at the main trailhead located at the intersection of Route 9W and Jones Point Road. There is a parking area available for hikers. Another option is to begin from the trailhead near the Bear Mountain Bridge, where parking is also available. Both locations provide convenient access to the trails in the area.
Let’s Answer Your Questions - FAQ
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4 to 5 hours.
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No
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No
The Ramapo Dunderberg trail is approximately 23.6 miles long.
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She life was a celebration of adventure, joy, and the great outdoors. She lived with a fierce determination to enjoy every moment and to share that joy with others. Her legacy is one of laughter, exploration, and an unwavering love for the natural world. Lydia's spirit continues to inspire those who knew her and those who discover her story, reminding us all to embrace life with open arms and a heart full of joy.
Hiker reviews on this trail
3 out of 5 stars
Based on 10 reviews
Recent reviews
3 out of 5 stars
9 years ago3 out of 5 stars
9 years ago4 out of 5 stars
10 years ago3 out of 5 stars
10 years ago