Timp-Torne Trail and Dunderberg Spiral Railway and Loop
Timp-Torne Trail and Dunderberg Spiral Railway and Loop
4.9
(4306)
10,514
hikers
01:57
5.89km
270m
Hiking
The Timp-Torne Trail and Dunderberg Spiral Railway and Loop offers a fascinating journey through history and nature, all within a manageable 3.7-mile (5.9 km) distance. You'll traverse varied terrain, from dense hardwood forests to rockier, more exposed sections, with the highlight being the remnants of the ambitious 19th-century Dunderberg Spiral Railway. Expect to see stone foundations and carved rock cuts, all while enjoying panoramic views of the Hudson River and, on clear days, even the Manhattan skyline from spots like The Timp summit. This easy route, with 879 feet (268 metres) of elevation gain, takes about 1 hour and 57 minutes, making it a great option for a quick, rewarding hike.
Located in Bear Mountain and Harriman State Parks, this trail is easily accessible from New York City. While specific parking information isn't detailed, plan to arrive early, especially on busy days, to secure a spot at the trailhead. The trail is generally marked with blue blazes, but it's always a good idea to have a map or navigation app handy, particularly where trails intersect, to ensure you follow the correct path. No permits or fees are typically required for this hike, making it a straightforward outing.
What truly sets this trail apart is its unique blend of natural beauty and industrial archaeology. You're not just hiking; you're walking through a piece of history, tracing the path of an uncompleted railway project that once envisioned trains spiraling up the mountainside. This historical context, combined with the stunning Hudson River vistas, makes it a standout choice for those who appreciate a story with their scenery. It's a great way to experience the Hudson Valley's rich past and present.
Last updated: June 9, 2026
Waypoints
Start point
Parking
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1.48 km
Viewpoint
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2.19 km
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2.54 km
Viewpoint
Viewpoint
3.42 km
Viewpoint
Viewpoint
5.89 km
End point
Way Types & Surfaces
Way Types
5.68 km
165 m
< 100 m
Surfaces
5.72 km
142 m
< 100 m
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Elevation
Highest point (270 m)
Lowest point (0 m)
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Weather
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Today
Sunday 12 July
30°C
18°C
12 %
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Max wind speed: 9.0 km/h
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This route was planned by komoot.
The specific loop described, which is approximately 5.9 kilometers (3.7 miles) long, can typically be completed in about 1 hour and 57 minutes of moving time. However, given the challenging sections and historical features, many hikers allow more time to enjoy the views and explore. Longer, more strenuous loops integrating these trails can take significantly longer.
While the specific route is rated as 'easy' in terms of overall duration and distance, sections of both the Timp-Torne Trail and the Dunderberg Spiral Railway are generally considered moderate to difficult. You'll encounter steep, rocky sections, and parts of the old railway grades can be demanding. Less experienced hikers might find some climbs strenuous, so come prepared with sturdy footwear and plenty of water.
The terrain is quite varied. You'll traverse a mixed hardwood forest with oak, maple, and birch trees. Expect interesting rock formations and some steep, rocky sections, which can be slippery when wet. The Dunderberg Spiral Railway portion includes walking along old rail beds and passing through two tunnels, with parts consisting of broken rocks from the original construction. It's a dynamic and engaging journey.
This hike offers a rich blend of natural beauty and history. You'll get expansive panoramic views of the Hudson River, the surrounding highlands, and even the distant Manhattan skyline from vantage points like The Torne, The Timp summit, and West Mountain. Historically, you'll walk through remnants of the never-completed Dunderberg Spiral Railway, including two unique tunnels, and pass markers commemorating Revolutionary War history.
Yes, this route integrates several official trails. You'll spend significant portions on the Ramapo Dunderberg Trail and the Timp Torne Trail. Smaller sections also follow the Jones Trail and NY Bike Route 9, allowing for diverse loop configurations within Bear Mountain and Harriman State Parks.
The trail is enjoyable in most seasons. Spring brings lush greenery and wildflowers, while autumn offers spectacular fall foliage, making it a very popular time. Summer is also great, but be prepared for warmer temperatures and potential humidity. Winter hiking is possible, especially on the Dunderberg Spiral Railway sections, but requires appropriate gear for snow and ice.
Yes, the trails within Bear Mountain State Park, including the Timp-Torne Trail and Dunderberg Spiral Railway, are generally dog-friendly. However, dogs must be kept on a leash at all times. Be mindful of the challenging and rocky terrain, which might be difficult for some dogs, especially in steep sections or during hot weather.
No specific hiking permits are required for the Timp-Torne Trail or Dunderberg Spiral Railway. These trails are located within Bear Mountain State Park, which typically does not charge an entrance fee for hikers. However, there may be parking fees at certain lots, especially during peak season or weekends. Always check the official Bear Mountain State Park website for the most current information on parking and regulations.
The starting point for this loop can vary depending on where you choose to park. Common access points are often found near the Bear Mountain Inn or along Route 9W. Parking is available at various lots within Bear Mountain State Park, but these can fill up quickly on weekends and holidays. Arriving early is highly recommended to secure a spot.
The mixed hardwood forests and varied terrain provide habitat for diverse wildlife. Hikers commonly spot white-tailed deer, red-tailed hawks soaring overhead, and various songbirds. Keep an eye out for smaller mammals and reptiles as well. Remember to observe wildlife from a distance and never feed animals.
Given the moderate to difficult sections and varied terrain, it's essential to bring sturdy hiking boots with good ankle support. Sufficient water is crucial, especially during warmer months, as there are no water sources directly on the trail. A map or GPS device is also recommended, as some sections can be poorly marked or overgrown. Snacks, sun protection, and layers of clothing are also advisable.
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