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Uncompahgre Peak

Grand Mesa, Uncompahgre and Gunnison National Forest, Colorado · 4 min read

Distance
7.5 mi
Elevation Gain
2,900 ft
Difficulty
strenuous
Route Type
Out-And-Back
Best Season
July through September
Dog Friendly
Yes
Difficulty Score
10 / 10
Trailhead Amenities
Restroom
None
Parking
Free
Cell Service
No Signal
Water
Nearby
Camping
Dispersed
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Conditions, regulations, and fees change frequently. Verify with the local ranger district before your trip. Full disclaimer

At a Glance

  • Sixth-highest peak in Colorado at 14,309 feet
  • Highest summit in the San Juan Mountains
  • Class 2 route, one of the less technical Colorado 14ers
  • Views extending across the San Juans, including the Wetterhorn, Matterhorn, and Sneffels Range

Overview

Uncompahgre Peak stands at 14,309 feet, the sixth-highest summit in Colorado and the monarch of the San Juan Mountains. The standard route from the Nellie Creek Trailhead is rated Class 2, making it one of the more technically accessible Colorado 14ers despite the significant elevation gain and the commitment involved in getting to the Lake City area.

The 7.5-mile round trip from the upper 4WD trailhead gains 2,900 feet on a route that climbs from high-altitude tundra to the exposed rocky summit plateau. The upper portion traverses open ridge terrain with views that encompass the entire San Juan range, including the Wetterhorn, Matterhorn, and Sneffels peaks visible to the south and west.

The drive to the trailhead is part of the experience. Lake City, the closest town, sits at the end of CO-149 in the Hinsdale County mountains, one of the least-populated counties in the lower 48 states. The Henson Creek Road west of town climbs through spectacular canyon terrain to reach the trailhead access. Grand Mesa, Uncompahgre and Gunnison National Forest manages this terrain through the Gunnison Ranger District.

The Route

Miles 0 to 1.5: Nellie Creek Basin

From the upper trailhead, the trail climbs immediately through the Nellie Creek drainage on a well-maintained path. The vegetation at 11,400 feet is open tundra grass and low willows. The grade is steady and manageable in the first section. Nellie Creek provides water below the upper route.

Miles 1.5 to 3.0: Upper Ridge Approach

The trail steepens as it climbs toward the main ridge above the Nellie Creek drainage. The terrain transitions to rocky tundra and talus. The views behind the climber open to include the Hinsdale County peaks and the San Cristobal Lake far below in the valley. At approximately mile 2.5, the trail reaches the main ridge and turns toward the summit.

Miles 3.0 to 3.75: Summit Ridge

The final section follows the broad, rocky summit ridge to the highest point. The trail is obvious and well-cairned. The ridge is exposed to wind, which can be strong even on days that appear calm below. The summit register marks the high point.

When to Visit

July through September. The trailhead road is typically accessible by late June, but the upper route can hold snow and ice through early July. September is often the most stable month for weather, though early snowfall is possible after mid-September.

Afternoon thunderstorms are routine in July and August and are the primary risk on the exposed summit ridge. Plan to be on the descent before noon on days with any weather development. The Colorado summer weather pattern often brings clear mornings followed by cloudy afternoons. Check forecasts before departure.

What to Bring

Many hikers carry:

  • 3 liters of water (with filter; Nellie Creek provides water below the ridgeline)
  • Wind shell and insulating layers for the exposed summit
  • Sunscreen and a hat
  • Trekking poles for the rocky descent

Consider bringing:

  • Microspikes for early-season ice on the upper route
  • A headlamp for any pre-dawn starts
  • Emergency shelter given the remote location

Individual needs vary. The remote location and lack of cell service make self-sufficiency especially important on this route.

Practical Details

No restroom facilities at the upper trailhead. Pack out all waste. Cell service is absent. Campfire permits are required for any overnight camping (free, self-issue). Bear canisters are strongly recommended for overnight trips; see bear canister requirements. Review Leave No Trace principles.

The lower 2WD trailhead adds roughly 4 miles round-trip to the total distance. This may be the better option for visitors uncertain about the 4WD road conditions.

Getting There

From Lake City (on CO-149 approximately 55 miles south of Gunnison), take CR 20 (Henson Creek Road) west approximately 8 miles. Turn right onto the Nellie Creek Road (FR 877.2B). The lower 2WD trailhead is accessible in standard vehicles. The upper 4WD trailhead is 4 additional miles on a rough road suitable only for high-clearance 4WD vehicles. Do not attempt the upper road in a standard vehicle.

Trailhead Parking

Nellie Creek Trailhead at approximately 11,400 feet, accessed via Henson Creek Road (CR 20) west of Lake City. Upper 4 miles of road are rough 4WD only. A lower 2WD trailhead adds approximately 4 miles round-trip.

← Back to Grand Mesa, Uncompahgre and Gunnison National Forest

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Frequently Asked Questions

Is Uncompahgre Peak a technical climb?
The standard route via Nellie Creek is rated Class 2, no technical climbing equipment required in dry summer conditions. The upper section involves rocky trail and some loose talus, but no sustained scrambling or exposure comparable to Class 3-4 routes.
Do I need a 4WD vehicle to reach the upper Nellie Creek Trailhead?
Yes. The upper trailhead at approximately 11,400 feet requires a high-clearance 4WD vehicle for the last 4 miles of road. The lower 2WD trailhead is accessible in standard vehicles but adds about 4 miles round-trip to the total distance.
How does Uncompahgre compare in difficulty to other Colorado 14ers?
Uncompahgre is considered one of the more approachable 14ers by technical standard (Class 2), though the elevation gain and altitude remain significant challenges. Combined with the long drive to Lake City, it sees fewer visitors than Front Range 14ers.
What is the best month to climb Uncompahgre Peak?
July and August offer the longest daylight windows. September is often preferred for stable weather and reduced afternoon thunderstorm risk. The peak can receive snow in any month; early season (late June to early July) often has ice on the upper route.
Can I combine Uncompahgre Peak with the nearby Wetterhorn Peak?
Yes, and Wetterhorn (14,015 ft) is commonly combined with Uncompahgre on a multi-day trip to the Lake City area. Wetterhorn is a separate trail from a different trailhead. Do not attempt to link them as a single-day effort without extensive experience.