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Running trails & routes
United States
New Hampshire
Coos County

Mount Cabot and The Horn via Unknown Pond Trail

Routes
Running trails & routes
United States
New Hampshire
Coos County

Mount Cabot and The Horn via Unknown Pond Trail

Hard

4.7

(5187)

8,507

runners

Mount Cabot and The Horn via Unknown Pond Trail

02:27

15.7km

830m

Running

Prepare for a challenging jogging adventure on the Mount Cabot and The Horn via Unknown Pond Trail, a difficult route spanning 9.8 miles (15.7 km). You'll climb a significant 2734 feet (833 metres) over an estimated 2 hours and 26 minutes, navigating varied and rugged terrain. While Mount Cabot's summit is mostly wooded, the trail offers beautiful natural scenery, including serene views of Unknown Pond with The Horn often visible in the distance. As you ascend, you'll encounter rocky sections and scrambles, making continuous jogging quite demanding. The lower parts of the trail also feature scenic birch glades, adding to the diverse landscape you'll experience.

When planning your visit, be sure to prepare for a challenging outing and bring appropriate gear for the varied conditions you will encounter. The trail is consistently rated as difficult, even for hiking, so expect a demanding experience if you plan to jog. Parking is conveniently available right at the trailhead, making access straightforward. It's wise to start early in the day to allow ample time to complete the route, especially given the rugged terrain.

This trail stands out for its dramatic contrasts, from the peaceful birch glades to the exposed, panoramic vistas. While Mount Cabot itself offers a wooded summit, The Horn provides near-360-degree views of northern New Hampshire, including the Pilot Range and the distant Presidentials. The presence of Unknown Pond adds a picturesque element, often reflecting the surrounding peaks. This combination of varied landscapes and rewarding views makes the route a notable challenge in the White Mountain National Forest.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

White Mountain National Forest

Waypoints

A

Start point

Get Directions

1

3.61 km

Unknown Pond

Highlight • Lake

Unknown Pond is a small reservoir in White Mountain National Forest. There are some primitive backcountry campsites and a picnic area near the water, making this a great spot for a break. This is also a great spot for viewing wildlife.

Tip by

2

6.23 km

The Horn Summit

Highlight • Summit

At 3,905 feet, The Horn is a peak along the Killkenny Ridge Trail that offers awesome views of the surrounding White Mountain National Forest. There are a number of close by 4,000-foot peaks and backcountry reservoirs that you can also visit on your hike.

Tip by

3

8.19 km

Mount Cabot Summit

Highlight • Summit

Mount Cabot rises up to 4,170 feet and is technically on top of a pile of rocks on the high point of the mountain. The summit is mostly boxed in by trees, but some of the other nearby peaks offer views of the surrounding area.

Tip by

B

15.7 km

End point

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Way Types & Surfaces

Way Types

15.2 km

465 m

Surfaces

15.2 km

465 m

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Elevation

Elevation

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Highest point (1,250 m)

Lowest point (540 m)

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Saturday 11 July

23°C

10°C

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Frequently Asked Questions

Is the Mount Cabot and The Horn via Unknown Pond Trail suitable for jogging or trail running?

While the tour data lists 'jogging' as the sport, this trail is generally not considered suitable for continuous jogging or trail running. The terrain is diverse and often demanding, featuring overgrown sections, narrow paths, steep ascents, rocky scrambles, and muddy areas. It's primarily described as a challenging hiking route, best enjoyed at a hiking pace.

What is the terrain like on this route?

Expect a varied and rugged experience. The Unknown Pond Trail can be overgrown with tall grass, and some sections feel like 'bushwhacking'. The ascent starts gradually but becomes steeper. As you climb towards The Horn Summit and Mount Cabot Summit, the trail gets rocky, with tricky scrambles, especially near The Horn. You'll also find sections of 'easy pine-needle walking' along Kilkenny Ridge and potentially mucky areas.

What are the main points of interest and viewpoints along the way?

The trail offers several scenic highlights. You'll encounter the serene Unknown Pond, offering picturesque views of The Horn. Lower down, look for beautiful birch glades. While the Mount Cabot Summit is often wooded, The Horn Summit provides near-360-degree panoramic vistas of northern New Hampshire, including the Pilot Range, Nash Stream Forest, and distant views of the Presidentials.

Where can I park to access the trailhead?

Parking for the Unknown Pond Trail is typically available at the trailhead. Specific parking instructions are usually found on local forest service websites or detailed trail guides. It's always a good idea to arrive early, especially on weekends, as spots can fill up.

Is this trail dog-friendly?

Yes, dogs are generally allowed on this trail within the White Mountain National Forest. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all hikers. Please remember to pack out all pet waste.

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

The trail is best hiked from late spring through early fall. Summer offers lush greenery, while fall brings spectacular foliage. Spring can be muddy with lingering snow at higher elevations. Winter hiking is possible but requires significant experience, proper gear, and awareness of challenging conditions like deep snow and ice.

Are there any permits or fees required to hike in the White Mountain National Forest?

For day hiking, generally no specific permits are required for individuals. However, some trailheads within the White Mountain National Forest may require a parking fee or a recreation pass (such as the America the Beautiful Pass or a local WMNF pass). Always check the specific trailhead information before you go.

Does this trail intersect with other well-known paths?

Yes, this route incorporates sections of several other trails. You will hike along significant portions of the Cohos Trail and the Kilkenny Ridge Trail. It also includes sections of the Unknown Pond Trail itself and the Horn Spur.

Is there an option for an overnight stay on the trail?

Yes, near the summit of Mount Cabot Summit, you can find the unstaffed Cabot Cabin. This offers a potential overnight stop for hikers looking to extend their trip or break up the challenging loop.

How difficult is this trail for hiking?

This trail is consistently rated as hard or difficult for hiking. With significant elevation gain and rugged terrain, including steep ascents and rocky sections, it presents a substantial challenge. One hiker described the ascent to Unknown Pond as 'freaking grueling' and the entire loop as a 'hike and a half'.

What makes this trail notable compared to others in the White Mountains?

This trail is notable for several reasons: Mount Cabot is one of New Hampshire's 4,000-footers, and The Horn is on the '52 With a View' list. The area also offers a more remote and quieter experience compared to some of the more heavily trafficked White Mountain trails, making it a great choice for those seeking solitude.

Nearby routes

Hard

45

Presidential Traverse trail run

09:53h

55.7km

3,460m

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