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Running trails & routes
United States
New York
Ulster County

Mongaup-Hardenburgh Trail

Hard

3.5

(21)

70

runners

Mongaup-Hardenburgh Trail

02:37

20.4km

980m

Running

Embark on the Mongaup-Hardenburgh Trail for a truly challenging jogging experience through the Willowemoc Wild Forest. This difficult route spans 12.7 miles (20.4 km) and demands a significant effort, with an elevation gain of 3217 feet (981 metres). You can expect to complete it in about 2 hours and 36…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Balsam Lake Mountain Wild Forest

Big Indian Wilderness

Catskill Park

Waypoints

A

Start point

Parking

Get Directions

1

10.2 km

Mongaup Pond

Highlight • Lake

This is a beautiful pond, surrounded by dense forest. It is the perfect picnic spot!

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B

20.4 km

End point

Parking

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Way Types & Surfaces

Way Types

20.4 km

< 100 m

Surfaces

20.2 km

227 m

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Elevation

Elevation

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

Highest point (970 m)

Lowest point (660 m)

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Weather

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Today

Friday 17 July

23°C

11°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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Frequently Asked Questions

How long does it typically take to jog the Mongaup-Hardenburgh Trail?

For an experienced jogger, the full 20.4 km route is estimated to take around 2 hours and 37 minutes. However, this is a challenging trail with significant elevation changes, so your actual time may vary based on your fitness level and the trail conditions.

Is the Mongaup-Hardenburgh Trail suitable for beginner joggers?

The Mongaup-Hardenburgh Trail is rated as 'difficult' and is generally not recommended for beginner joggers. It features varied and challenging terrain, including rocky sections, roots, mud, and significant elevation gains, particularly in the Big Indian Wilderness. Some sections are flat forest walks, but the overall experience requires very good fitness and trail experience.

What is the terrain like on this trail?

The terrain is quite diverse and rugged. You'll encounter dirt, grass, and leaves, along with rocky areas and numerous tree roots. Expect some muddy and wet sections, and occasionally overgrown briars. The trail includes both single-track and double-track paths, transitioning from flatter forest walks in the Willowemoc Wild Forest to challenging mountain terrain with ascents and descents in the Big Indian Wilderness.

Where can I park to access the Mongaup-Hardenburgh Trail?

Specific parking details for this trail are not provided, but access points are typically found near its start and end points. Given its wild and less-traveled nature, expect primitive parking areas. It's advisable to research specific trailhead access points before your visit.

What kind of wildlife might I see along the way?

The trail offers a true wilderness experience, so you have a good chance of encountering various wildlife, especially around the upper Mongaup Pond. Keep an eye out for deer, various bird species, and other forest creatures. Remember to observe wildlife from a distance and avoid disturbing their natural habitat.

What is the best time of year to jog the Mongaup-Hardenburgh Trail?

The best time to jog this trail is typically during the late spring, summer, and early fall months. During these seasons, the weather is generally more favorable, and the trail conditions are less challenging. Fall offers beautiful foliage. Winter jogging can be very difficult due to snow, ice, and potentially impassable conditions, and the trail is rarely traveled even in warmer months, so winter conditions would be particularly rugged.

Are dogs allowed on the Mongaup-Hardenburgh Trail?

Yes, dogs are generally allowed on the Mongaup-Hardenburgh Trail. However, given the trail's wild and rugged nature, including rocky sections, roots, and potential for overgrown briars, ensure your dog is fit for such conditions. Always keep your dog on a leash and practice Leave No Trace principles by cleaning up after them.

Do I need a permit or is there an entrance fee for the Willowemoc Wild Forest or Big Indian Wilderness?

Generally, there are no specific permits or entrance fees required for day use of trails within the Willowemoc Wild Forest or Big Indian Wilderness. However, if you plan on multi-day trips and using primitive campsites, specific regulations may apply. Always check the latest New York State Department of Environmental Conservation (DEC) guidelines before your visit.

What are some notable natural features or landmarks along the route?

The trail is celebrated for its wild beauty. You'll enjoy dense forests, fern glades, and old-growth trees. Key features include nice views of Mongaup Pond, a small, ancient bog near Sand Pond Mountain, and a distinctive cable swing bridge over the Beaver Kill Creek, which requires careful crossing.

Does the Mongaup-Hardenburgh Trail connect with other trails?

Yes, the Mongaup-Hardenburgh Trail is part of a larger network. It connects to various other trail systems, forming parts of longer loops like the Mongaup Loop Trail and the Hardenburgh-Willowemoc Loop Trail. The route also passes through sections of the Long Pond - Beaverkill Ridge Trail (Red) and several Snowmobile Trails.

What should I bring for a jog on this trail?

Given the trail's difficulty and wild character, it's crucial to be well-prepared. Bring plenty of water, navigation tools (like a GPS device or a downloaded komoot map), appropriate trail running shoes with good ankle support, layers of clothing, insect repellent, and a first-aid kit. Due to its remote nature, consider carrying emergency supplies and informing someone of your plans.

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