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Routes
Hiking trails & Routes
United States
Colorado
San Juan County

Boulder Gulch Trail

Moderate

3.3

(23)

30

hikers

Boulder Gulch Trail

01:58

4.83km

580m

Hiking

The Boulder Gulch Trail offers a challenging hike through an alpine environment, known for its significant elevation changes. You will gain 1904 feet (580 metres) over its 3.0 miles (4.8 km) distance, making it a moderate route that takes about 1 hours and 58 minutes to complete. As you ascend,…

Last updated: April 23, 2026

Waypoints

A

Start point

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1

213 m

Boulder Gulch Trailhead

Highlight • Trail

The first two miles from the trailhead are along a dirt road that becomes a steeper hiking trail through quaking aspen. The trail passes by some pretty waterfalls as it ascends the gulch up toward Tower Mountain and Storm Peak.

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4.83 km

End point

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Way Types & Surfaces

Way Types

4.64 km

190 m

Surfaces

4.66 km

157 m

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Elevation

Elevation

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Weather

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Today

Monday 25 May

14°C

2°C

60 %

Additional weather tips

Max wind speed: 21.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where does the Boulder Gulch Trail start and is there parking available?

The trail officially begins at the Boulder Gulch Trailhead in San Juan County, Colorado. Parking is typically available at or near the trailhead, but given the trail's popularity and remoteness, it's advisable to arrive early, especially during peak season, to secure a spot.

Do I need a permit or is there an entrance fee to hike this trail?

Based on available information, there is no specific permit or entrance fee required to hike the Boulder Gulch Trail itself. However, always check with local authorities or park services for any updated regulations before your visit.

Is the Boulder Gulch Trail dog-friendly?

While many trails in the region allow dogs, specific regulations for the Boulder Gulch Trail are not explicitly stated. It's always best to confirm with local land management agencies regarding leash laws and whether dogs are permitted on this particular trail to ensure a responsible and enjoyable hike for everyone.

What is the best time of year to hike the Boulder Gulch Trail?

The ideal time to hike is generally from late June through early fall. During this period, you'll experience the best weather, see abundant wildflowers, and avoid the heavy snow patches that can persist even into summer at higher elevations. Winter hiking conditions are challenging and typically require specialized gear and experience.

What is the terrain like on the Boulder Gulch Trail?

The terrain is varied and demanding. You'll encounter a relatively flat section for about 1.5 miles, followed by a steady, singletrack climb with switchbacks. Above 12,000 feet, the trail can become faint, traversing alpine tundra, exposed hillsides, and scree fields, with cairns guiding the way. Expect steep, smooth ascents and rocky, technical descents, especially into Velocity Basin.

Is this trail suitable for beginners or families?

No, the Boulder Gulch Trail is considered a moderate to difficult hike, often described as a "hardcore alpine adventure." It demands very good fitness and alpine experience due to its significant elevation gain, technical sections, and high-altitude exposure. It is not recommended for beginners or young families.

What kind of scenery and notable features can I expect to see?

The scenery is consistently described as "astounding" and "spectacular." You'll pass through aspen groves, see wildflowers, and potentially observe waterfalls. From the high pass between Storm Peak and Tower Mountain (over 13,000 feet), you'll get incredible panoramic views, particularly of Velocity Basin. High-altitude lakes are also a notable feature.

Are there water sources available along the route?

Yes, water sources are generally available within the Boulder Gulch section of the trail. However, it's always wise to carry sufficient water for your hike and consider filtering any natural water sources before consumption.

What should I bring for a hike on the Boulder Gulch Trail?

Given the challenging nature and high elevation, essential items include sturdy hiking boots, layers of clothing for varying weather, sun protection, plenty of water, high-energy snacks, a map and compass/GPS, and emergency supplies. Trekking poles can be very helpful for the steep and technical sections. Be prepared for potential snow patches even in summer.

Does the Boulder Gulch Trail connect to other trails or offer loop options?

Yes, for experienced hikers, there's an option to combine the Boulder Gulch Trail with sections of a dirt 4WD road (Route 110A) to create a loop returning to Silverton. This offers a versatile and extended hiking experience.

What are the risks associated with hiking at high elevations on this trail?

Hiking at over 13,000 feet presents several risks, including altitude sickness, rapid weather changes, and exposure to lightning. The trail's remoteness also means help can be far away. Always monitor weather forecasts, be prepared to turn back if conditions worsen, and be aware of symptoms of altitude sickness.

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