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San Juan Range · Colorado 13er · No. 507 of the 13ers

West Ridge from the Nellie Creek pass

UN 13,110, 13,110'

DifficultyClass 2
Round trip4.8 mi
Elevation gain1,680'
TrailheadNellie Creek
Trailhead elevation11,425'

Conditions on the summit

Loading Fetching the forecast for 13,110'…
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Afternoon storm risk is the line that matters. Everything else is comfort. In summer, plan to be off the ridge before the build-up starts, not as it starts. Forecast for the summit point, adjusted for its elevation · data from Open-Meteo.

Colorado 13er · West Ridge from the Nellie Creek pass

Overview

UN 13,110 is a low, easy summit at the head of Nellie Creek, in the shadow of Uncompahgre Peak. Most people here head for the 14er, so you will likely have this top to yourself.

Trails take you to a pass at 12,380 feet. From there you walk east on tundra, then break through a short band of rock to a long, flat summit ridge. The high point is at the rocky west end. It is Class 2, and young kids can do it if you can drive to the trailhead.

The round trip is about 4.8 miles with 1,680 feet of gain. UN 13,108 is an easy walk east-northeast along the same ridge, and UN 13,155 across the valley can be added if time and weather allow.

Plan of the day

Start by

By 7 a.m.

Turnaround

Be at the pass by 10:30 a.m.

Crux

A short band of rock below the summit.

Route-finding

Easy. Turn east at the pass.

Water

Nellie Creek low on the trail. Filter it.

Getting to the trailhead

Trailhead

Nellie Creek

Find it on a map

In Lake City, turn west on 2nd Street (or 3rd Street, which passes a city park with restrooms) and go two blocks to Bluff Street. Turn left (south) onto County Road 20, which runs west up Henson Creek. After 5.2 miles, turn right (north) on the signed Nellie Creek road, Forest Road 877. Regular cars should not try this road. Camping is not allowed along this part of County Road 20, but there are a few sites a short way up the Nellie Creek road.

A stock 4WD is the minimum past those first campsites. The road is rough and potholed at first, then rocky but never hard. At 2.0 miles it crosses to the west side of Nellie Creek and climbs a steep switchback. About 0.4 mile later, turn hard left (the older road going right leads toward Crystal Peak). After another mile the road levels out in a long meadow, and the trailhead is 0.8 mile farther, about 4 miles from County Road 20. Allow at least half an hour. Road conditions change, so check before you go.

The ground at the trailhead is sloped. For flatter campsites, go back about a quarter mile into the trees, or use the meadow. Uncompahgre Peak draws big crowds on summer weekends, so parking and campsites fill early.

Before you go

Check these the week of your climb.

Official forecast

The National Weather Service forecast for the summit area, hour by hour. Look for thunderstorm chances and wind above treeline.

NWS point forecast →

Directions to the trailhead

Nellie Creek. Road conditions near the trailhead change after storms. Check your clearance and have a backup plan for a lower lot.

Get directions →

Roads and highways

Closures, construction and winter conditions on the highways that get you there.

COtrip road conditions →

Closures and fire rules

Trail closures, fire bans and other alerts from the Forest Service in Colorado. For the latest on your trailhead, call the local ranger district.

Forest Service alerts →

Snow on the route?

From fall through early summer, any snow slope can slide. Check the avalanche forecast before you go.

Avalanche forecast →

Cell signal

Most trailheads and many summits have little or no signal. Check coverage near the trailhead and carry a satellite messenger or beacon if you can.

FCC coverage map →

Less traffic, less margin

This describes the route on a dry summer day. Most 13ers see few people, so there may be no one along behind you. Check recent conditions the week you go, carry a map, tell someone your plan, and turn around when the day tells you to.