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San Juan Range · Colorado 13er · No. 79 of the 13ers

North Ridge via Wood Mountain and UN 13,708

Animas Forks Mountain, 13,740'

DifficultyClass 2
Round trip6.5 mi
Elevation gain2,250'
TrailheadCinnamon Pass
Trailhead elevation12,640'

Conditions on the summit

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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 · North Ridge via Wood Mountain and UN 13,708

Overview

Animas Forks Mountain is the last summit on a loop of peaks northwest of Cinnamon Pass. It was once listed as UN 13,722 B.

Climb Wood Mountain, follow the ridge west to UN 13,708, then take the narrow connecting ridge south to the top. Cliffs drop away on both sides and the ridge gets close to catwalk width, but the rock is solid and it stays Class 2. The last 200 feet is steeper, sandy rock. You come down the east ridge and walk tundra back to the pass.

The loop is about 6.5 miles with 2,250 feet of gain when you include the Class 3 side trip to UN 13,702. Without that side trip it is shorter, stays Class 2, and is a good hike for older kids.

Plan of the day

Start by

By 7 a.m.

Turnaround

Be on UN 13,708 by 11 a.m.

Crux

The narrow ridge to the summit.

Route-finding

Easy. Stay on the ridge crest.

Water

Little water high up. Bring what you need.

Getting to the trailhead

Trailhead

Cinnamon Pass

Find it on a map

From Lake City, go south on Colorado 149 and turn right toward Lake San Cristobal. Follow County Road 30 around the lake. Two campgrounds, Williams Creek and then Mill Creek, come before the fork at Sherman. A normal car is fine to here. Go right; higher clearance is now wise. You pass the Grizzly Gulch / Silver Creek trailhead in a bit over 3 miles and the Cooper Creek trailhead about a mile later. After the American Basin turnoff the road gets steeper and rougher. Park at the top of Cinnamon Pass or in a pullout close by.

From Silverton, head east and keep right on County Road 2 where the paved road splits just past the courthouse. It's 4.2 miles to Howardsville, 4.3 more to the old Eureka site, 3.5 more to the Burns and Grouse Gulch turnoff, and 1.1 more to the signed Cinnamon Pass road on the right. Stay on the Engineer Pass road here; don't drift left up California Gulch.

Cinnamon Pass needs 4WD with good clearance from either side, and road conditions change, so check before you go. Without it, expect a lot of extra walking. The pass has no trees, but you could sleep in a vehicle or small tent there. Campgrounds and primitive spots are lower on the Lake City side. Private land is common all through this area.

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

Cinnamon Pass. 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.