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San Juan Range · Colorado 13er · No. 331 of the 13ers

Southwest Ridge from T 7

T 8, 13,315'

Class 3 bypass

Rock towers near the T 7 - T 8 saddle force either Class 3 or harder moves on the crest or a loose bypass on the north side. This page is an outline, not a move-by-move guide.

DifficultyClass 3
Round trip8.5 mi
Elevation gain4,000'
TrailheadIdarado Mine - Red Mountain Pass
Trailhead elevation10,650'

Conditions on the summit

Loading Fetching the forecast for 13,315'…
—Summit temp now
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Day three

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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 · Southwest Ridge from T 7

Overview

T 8 is the last of three summits on the ridge north of Imogene Pass, after Telluride Peak and T 7. Before newer survey data it was listed two feet higher.

You climb Commodore Gulch to Telluride Peak, walk the ridge to T 7, then follow the ridge north to T 8. Just before the saddle, rock towers block the crest. Staying on top is Class 3 or harder with some exposure. Dropping off the north side and climbing a gully back up is Class 3 at most, and going lower still keeps it Class 2.

Doing all three peaks as a loop (up Telluride Peak, over T 7 and T 8, and down T 8's south side) is about 8.5 miles with 4,000 feet of gain. T 8 is 0.9 mile and 495 feet of gain past T 7. The whole loop took one party about seven hours.

Plan of the day

Start by

By 6 a.m.

Turnaround

Be on T 7 by 11 a.m.

Crux

The rock towers near the T 7 - T 8 saddle.

Route-finding

Moderate. Leave the crest on the northwest side before the towers.

Water

The creeks in Commodore Gulch and the ponds near Ptarmigan Lake. Filter it.

Getting to the trailhead

Trailhead

Idarado Mine - Red Mountain Pass

Find it on a map

From Ouray, drive south on US 550 for about 12 miles. Just before a very sharp switchback, turn right into a big paved parking loop with a view of the old Idarado Mine; most of the mine sits across the highway. Coming from Silverton, go north over Red Mountain Pass and down a little less than 2 miles; the turnoff comes right after that switchback. Any car can get here. There are no toilets.

The historic mine houses just west of the lot are under restoration and fenced off, so stay out of them. You can park on the switchback just above the overlook (room for a few cars) and walk northwest, keeping the gated area on your left. Or park at the overlook and walk up the highway to the curve to start. Where old road FS 895 leaves the highway, it has long been gated and posted closed, so don't start there.

There's no camping at the lot. Primitive sites are up the Corkscrew Gulch road, along the south side of US 550 past that road, around Ironton Park, and near Red Mountain Pass and the lower Black Bear Pass road.

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

Idarado Mine - Red Mountain 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.