Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Routes
Hiking trails & Routes
United States
New York
Rockland County

Timp-Torne Trail and Dunderberg Spiral Railway and Loop

Routes
Hiking trails & Routes
United States
New York
Rockland County

Timp-Torne Trail and Dunderberg Spiral Railway and Loop

Easy

4.9

(4306)

10,514

hikers

Timp-Torne Trail and Dunderberg Spiral Railway and Loop

01:57

5.89km

270m

Hiking

Embark on an easy 3.7-mile (5.9 km) hike along the Timp-Torne Trail and Dunderberg Spiral Railway and Loop, a route that offers a blend of natural beauty and historical intrigue. You will navigate through a mixed hardwood forest, encountering interesting rock formations and sections of old rail beds. The trail…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1.48 km

Viewpoint

Viewpoint

2.19 km

Viewpoint

Viewpoint

2.54 km

Viewpoint

Viewpoint

3.42 km

Viewpoint

Viewpoint

B

5.89 km

End point

Loading

Way Types & Surfaces

Way Types

5.68 km

165 m

< 100 m

Surfaces

5.72 km

142 m

< 100 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (270 m)

Lowest point (0 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Today

Friday 8 May

16°C

4°C

20 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Frequently Asked Questions

How long does it typically take to hike the Timp-Torne Trail and Dunderberg Spiral Railway and Loop?

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.

Is this trail suitable for beginners?

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.

What is the terrain like on this hike?

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.

What are the notable viewpoints or historical features along the route?

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.

Does this route connect with other trails?

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.

What is the best time of year to hike this trail?

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.

Is the Timp-Torne Trail and Dunderberg Spiral Railway and Loop dog-friendly?

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.

Are there any permits or entrance fees required for this hike?

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.

Where does the trail start, and what are the parking options?

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.

What wildlife might I encounter on the trail?

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.

What should I bring for this hike?

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.

Nearby routes

Moderate

4.8

199

Bull Hill Short Loop

02:45h

7.18km

340m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy