9
hikers
05:24
15.7km
830m
Hiking
If you're looking for a challenging hike, the Mount Cabot via Unknown Pond Trail is a difficult 9.8-mile (15.7 km) route that will test your endurance. You'll gain 2732 feet (833 metres) in elevation, taking approximately 5 hours and 24 minutes to complete. The journey begins by following tranquil Mill…
Last updated: April 23, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
White Mountain National Forest
Waypoints
Start point
3.61 km
Highlight • Lake
Tip by
6.23 km
Highlight • Summit
Tip by
8.18 km
Highlight • Summit
Tip by
15.7 km
End point
Way Types & Surfaces
Way Types
15.2 km
496 m
Surfaces
15.2 km
496 m
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Highest point (1,250 m)
Lowest point (540 m)
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This route was planned by komoot.
The trailhead for the Mount Cabot via Unknown Pond Trail is typically accessed from a parking area that serves this route. Specific parking details can vary, so it's always best to check current conditions and regulations before heading out. Parking is generally available at the trailhead, but arriving early is recommended, especially during peak hiking seasons, to secure a spot.
Yes, the Mount Cabot via Unknown Pond Trail is located within the White Mountain National Forest. While there isn't a specific permit required for hiking this particular trail, a recreation pass (such as the America the Beautiful Pass or a local White Mountain National Forest pass) may be needed for parking at certain trailheads. Always check the official White Mountain National Forest website for the most up-to-date information on fees and regulations before your visit.
Yes, the Mount Cabot via Unknown Pond Trail is generally dog-friendly. However, dogs must be kept on a leash at all times to protect wildlife and ensure the safety and enjoyment of all hikers. Be prepared to pack out all waste, and ensure your dog can handle the challenging terrain and distance of this difficult hike.
The best time to hike the Mount Cabot via Unknown Pond Trail is typically from late spring through early fall (May to October). During these months, the weather is generally more favorable, and the trail conditions are better. Fall offers spectacular foliage. While some sections have gradual climbs, making it suitable for various seasons, winter hiking requires specialized gear and experience due to snow and ice.
The terrain is diverse and challenging. It begins by following Mill Brook, then gradually ascends through open and birch-filled woods. Expect some narrow and overgrown sections, especially at the start of the Unknown Pond Trail, with wet ground often crossed by bog bridges. As you approach The Horn Summit, the trail becomes rocky, with some tricky scrambling near the pinnacle. The ascent to Unknown Pond can be consistently uphill and grueling.
Key highlights include the serene Unknown Pond, which offers magnificent views of The Horn Summit. The Horn itself is a major draw, known for its steep, rocky summit and nearly 360-degree panoramic views. Near the Mount Cabot Summit, you'll find the historic Mount Cabot Cabin, an old fire warden's cabin offering a unique overnight stay option. While the summit itself is wooded, nearby viewpoints provide excellent vistas.
This trail is rated as difficult. While some initial climbs are gradual, the ascent to Unknown Pond can be continuously uphill and demanding. The section leading to The Horn Summit involves rocky terrain and some scrambling. It's a challenging hike, especially if you opt for the full loop that includes The Bulge and The Horn, requiring good physical fitness and preparation.
Given the remote and sometimes overgrown nature of the trails, there's a higher chance of encountering wildlife. Potential sightings include moose and bear, so it's advisable to make noise while hiking, especially in dense sections. Hikers have also noted abundant grey jays near the Mount Cabot Summit.
Yes, the route also passes through sections of the Cohos Trail, the Killkenny Ridge Trail, and the Horn Spur. These intersections offer opportunities to extend your hike or explore different parts of the White Mountains, often as part of a larger loop that includes peaks like The Bulge and The Horn.
Absolutely! A highly recommended side trip is to The Horn Summit, known for its exceptional, nearly 360-degree panoramic views. Another unique feature is the Mount Cabot Cabin, an old fire warden's cabin near the Mount Cabot Summit, which offers a rustic, first-come, first-served option for an overnight stay. This area also tends to have fewer crowds compared to other 4,000-footer hikes, offering a more solitary wilderness experience.
Yes, the Mount Cabot via Unknown Pond Trail is often undertaken as part of a larger loop. Popular loop options typically include Mount Cabot, The Bulge, and The Horn Summit. These loops offer a comprehensive and challenging experience of the Pilot Range, showcasing diverse terrain and multiple viewpoints.
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