Dry River and Isolation Trail Loop
Dry River and Isolation Trail Loop
4.8
(4628)
17,955
runners
04:35
32.7km
1,070m
Running
This 20.3-mile loop in the Presidential Range-Dry River Wilderness is a difficult hike with 3510 feet of gain and panoramic views.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
11.0 km
Highlight (Segment) • Trail
Tip by
16.3 km
Highlight • Summit
Translated by Google •
Tip by
32.7 km
End point
Parking
Way Types & Surfaces
Way Types
29.4 km
3.25 km
< 100 m
Surfaces
28.6 km
4.06 km
< 100 m
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Elevation
Highest point (1,240 m)
Lowest point (380 m)
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Weather
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Today
Wednesday 8 July
24°C
11°C
0 %
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Max wind speed: 8.0 km/h
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This route was planned by komoot.
No, the Dry River and Isolation Trail Loop is generally not recommended for jogging. It is an extremely challenging and rugged route, better suited for experienced hikers. The terrain includes numerous obstacles, poor footing, and difficult sections that make continuous running impractical.
The terrain is exceptionally rugged. The Dry River Trail, in particular, features extensive blowdowns (fallen trees), significant washouts, and eroded riverbanks requiring climbing and descending steep sections. Many parts are frequently wet and muddy, with challenging river crossings. The Isolation Trail also has wet, muddy, and steep sections, though some parts may offer better footing in dry conditions.
Given its difficult nature and rugged terrain, this loop typically takes around 16,526 seconds (approximately 4 hours and 35 minutes) for a very fast hiker. However, most hikers should plan for a significantly longer duration, potentially 8-12 hours or more, depending on conditions and experience, as it is a difficult 32.7 km route with over 1000 meters of elevation gain.
Parking information for the Dry River and Isolation Trail Loop trailhead is typically available near the Crawford Notch area. Specific parking lots may require a fee or have limited space, especially during peak seasons. It's advisable to check current parking regulations and availability before your visit.
While there isn't a specific entrance fee for the Presidential Range-Dry River Wilderness itself, some trailheads or parking areas within the White Mountain National Forest may require a parking pass or fee. Always check with the local forest service office or website for the most current information regarding permits or fees for the specific trailhead you plan to use.
Yes, dogs are generally allowed on the Dry River and Isolation Trail Loop. However, due to the extremely rugged and challenging nature of the trail, including difficult river crossings, blowdowns, and steep sections, it may not be suitable for all dogs. Always keep your dog on a leash and ensure they are prepared for a strenuous wilderness experience.
The best time to visit is typically late spring through early fall (June to October) when snow has melted and temperatures are milder. Fall offers spectacular foliage. However, be aware that the trail can be very wet and muddy, especially after rain, regardless of the season. Winter hiking is possible but requires advanced skills, specialized gear, and an understanding of extreme cold and snow conditions.
The primary highlight is Mount Isolation, which offers incredible 360-degree views of the Presidential Range, including Mount Washington. The trail also passes through the remote Presidential Range-Dry River Wilderness, providing a true wilderness experience with picturesque forests, beautiful birch trees, and numerous brooks and cascading water features.
Yes, the trail has several significant hazards. The Dry River Trail is known for extensive blowdowns, washouts, and eroded riverbanks. Route finding can be difficult due to damage and adherence to 'wilderness standards' (less clear blazes). Both the Dry River and Isolation Trail sections are frequently wet and muddy, with challenging river crossings. One section has been described as a 'true no fall zone' due to a muddy ridge with a significant drop.
Yes, the route utilizes and intersects with several other trails. Significant portions follow the Dry River Trail and the Isolation Trail. It also passes through sections of the Cohos Trail, Saco River Trail, Davis Path, Sam Willey Trail, Appalachian Trail, and Webster Cliff Trail, among others.
You can expect a remote and less-traveled wilderness experience. The trails are maintained to 'wilderness standards,' meaning less human intervention and a more natural, rugged feel. This offers solitude and a deep immersion in the natural environment of the Presidential Range-Dry River Wilderness, away from more crowded routes.
Given the trail's difficulty and remoteness, essential gear includes sturdy hiking boots (waterproof recommended), plenty of water and food, navigation tools (map, compass, GPS), rain gear, extra layers, a headlamp, first-aid kit, and insect repellent. Trekking poles are highly recommended for stability on the rugged and often muddy terrain.
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