6
hikers
02:43
3.30km
410m
Hiking
The Mount Sneffels Trail offers a difficult hiking experience in the heart of the San Juan Mountains. This challenging route covers 2.0 miles (3.3 km) and involves a significant elevation gain of 1357 feet (414 metres), typically taking around 2 hours and 43 minutes to complete. As you climb, you'll…
Last updated: April 23, 2026
Tips
Includes a segment that is highly dangerous
A part of this route comprises highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.
After 608 m for 2.09 km
Waypoints
Start point
Parking
Get Directions
0 m
Highlight • Parking
1.58 km
Highlight • Summit
3.30 km
End point
Parking
Way Types & Surfaces
Way Types
2.10 km
1.17 km
Surfaces
3.27 km
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Elevation
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Weather
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Tuesday 7 July
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This route was planned by komoot.
The Mount Sneffels Trail is generally rated as a strenuous hike, classified as Class 3. This means you can expect sections of scrambling where you'll need to use your hands for balance and upward movement. The overall difficulty can vary depending on your starting point along the 4WD road.
The terrain is varied and demanding. You'll encounter sections of loose gravel, talus fields, and scree slopes. A notable feature is the 'V' notch, a Class 3 move near the summit that requires careful hand and foot placement due to some exposure. Depending on the season, you might also find snow and ice, particularly in the Lavender Couloir.
The trail typically begins in the picturesque Yankee Boy Basin. The most common starting point is the Trailhead at Yankee Boy Basin Road. Be aware that the road leading to the upper trailheads in Yankee Boy Basin is often rough and requires a high-clearance 4WD vehicle for the upper sections.
The estimated duration for this specific route is around 2 hours and 43 minutes of moving time. However, the total time can vary significantly based on your fitness level, how far you drive up the 4WD road, and how much time you spend at the Mount Sneffels Summit.
The best time to hike Mount Sneffels is typically in late summer, from July through September, when the snow has melted and wildflowers are abundant in Yankee Boy Basin. Winter hiking significantly increases the danger and difficulty due to snow and ice.
Yes, dogs are generally allowed in the Mount Sneffels Wilderness. However, it's crucial to keep them on a leash to protect wildlife and ensure a pleasant experience for all hikers. Always practice Leave No Trace principles, including packing out all pet waste.
As of now, there are no specific permits or entrance fees required to hike the Mount Sneffels Trail within the Mount Sneffels Wilderness. However, always check with the local Forest Service office for the most current regulations before your trip, as rules can change.
The journey offers spectacular scenery. You'll pass through the vibrant Yankee Boy Basin, filled with wildflowers. As you ascend, you'll get progressively dramatic views of the San Juan Ridge and the distant Wilson group. From the Mount Sneffels Summit, a breathtaking 360-degree panorama awaits, showcasing surrounding peaks and the stunning Blue Lakes Basin.
Yes, the route to Mount Sneffels Summit from Yankee Boy Basin Road also passes through sections of the Blue Lakes Trail and Yankee Boy Basin Road.
Given the strenuous nature and varied terrain, essential gear includes sturdy hiking boots, layers of clothing for changing weather, plenty of water, high-energy snacks, a headlamp, navigation tools (map, compass, or GPS), and sun protection. For the Class 3 sections, gloves can be helpful. If snow or ice is present, microspikes or an ice axe might be necessary.
While Mount Sneffels is a challenging climb, the surrounding San Juan Mountains offer numerous other trails. The Blue Lakes Trail, which is part of one of the approaches to Sneffels, offers stunning scenery without the Class 3 scrambling of the standard Sneffels route. For less crowded options, exploring other trails within the Mount Sneffels Wilderness or nearby areas around Ouray and Telluride can provide beautiful experiences.
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