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.
Standard route · West Slopes
Overview
Mount Columbia is a broad, rounded peak in the Collegiate Peaks west of Buena Vista. It shares a trailhead and valley with Mount Harvard. The standard route walks up the North Cottonwood Creek and Horn Fork valley, then turns east up Columbia's rocky southwest side to a shoulder, climbs to the south ridge, and follows the ridge north to the top.
The mountain has a reputation for loose, eroded slopes. A newer trail now climbs the lower slope and shoulder, which makes the climb much better than it used to be. The upper part, from about 13,300 feet to the ridge, is still rough and rocky, and the trail there is less clear. There is no real scrambling, but the footing is loose.
The round trip is about 12 miles with 4,250 feet of gain. Most people take 8 to 11 hours. You are above treeline for about 4 hours round trip, and the half-mile ridge walk at the end is exposed to storms.
Plan of the day
Start by
By 5 a.m. You leave the trees around 4 miles in and still have a long climb and a half-mile ridge walk ahead.
Turnaround
If you are not on the ridge at 13,680 feet by 10:30 a.m., turn around. The summit is still half a mile north along the ridge from there.
Crux
The steep, rocky stretch from about 13,300 to 13,680 feet, where the trail fades and you zigzag through loose rock to reach the ridge.
Route-finding
Moderate. The approach is on good trail with clear junctions: stay right at the first junction and turn right twice onto the Columbia trail. Above 13,300 feet the path is faint, so look for the most worn line. On the way down, find the same spot where you reached the ridge.
Water
North Cottonwood Creek and the creek in Horn Fork Basin run along the approach. There is no water once you leave the trees for the southwest slopes. Fill up in the valley and filter it.
In Buena Vista, roughly half a mile north of downtown, go west on County Road 350 (Crossman Avenue) and zero your odometer. After 2 miles, turn right on County Road 361. At 3 miles, turn left on County Road 365, which is dirt.
Follow County Road 365 a little over 5 miles to its end at the North Cottonwood Creek trailhead, about 8.1 miles from town. The road is dirt and can be rough in places, but most cars make it in dry weather. You will find the trail at the west edge of the parking loop. The route enters the Collegiate Peaks Wilderness.
Trail in the treesTalus and screeTundraRidgeExposed to lightning
The line is elevation, the band underneath is the ground, and the numbered dots match the steps below. Mileage and elevations are approximate.
1
North Cottonwood Creek trailhead 9,900' · 0 mi
Start on the west side of the parking loop. The trail drops a short way to a bridge over North Cottonwood Creek.
2
Second bridge and junction 10,350' · 1.5 mi
Follow the wide trail up the valley through forest for about 1.4 miles to a second bridge. Just past it, reach a junction. Stay right toward Horn Fork Basin and Bear Lake.
Watch for: The left fork goes toward Kroenke Lake, not Columbia.
3
Small clearing 11,250' · 3.35 mi
Continue about 1.75 miles through the trees. At a small clearing near 11,250 feet, Columbia's southwest shoulder comes into view to your right.
4
Columbia trail junction 11,350' · 3.65 mi
About 0.3 mile farther, reach the junction for Mount Columbia. Turn right.
Watch for: If you reach open Horn Fork Basin, you went too far.
5
Second junction in a clearing 11,400' · 3.8 mi
Walk a short way through forest into a long, narrow clearing and reach another junction. Turn right again.
6
Base of the wide gully 11,700' · 4.1 mi
Continue through forest to another narrow clearing. Cross it heading southeast and leave the trees at the foot of a wide gully on Columbia's southwest side.
Watch for: From here on, you are above treeline.
7
Up the talus 12,200' · 4.4 mi
Follow the built trail up through talus. It then swings right (southeast) toward the shoulder.
Watch for: Stay on the trail. Old paths on this slope are loose and eroded.
8
On the shoulder 12,600' · 4.6 mi
Reach the broad shoulder. The trail traverses east, then turns north and climbs the shoulder.
9
Rugged section 13,300' · 5.05 mi
Near 13,300 feet the slope steepens and the trail becomes rocky and harder to see. Zigzag carefully up through the rocks.
Watch for: Loose rock. Watch for rocks knocked down from above.
10
Slope levels off 13,500' · 5.25 mi
At about 13,500 feet the ground eases a little. Follow the trail up to the ridge.
11
South ridge 13,680' · 5.5 mi
Reach the ridge at 13,680 feet. The rest of the route is in view to the north, and the summit is still about half a mile away. Note this spot for the way down.
Watch for: Mark where you reached the ridge so you can find it again.
12
Flat section 13,800' · 5.7 mi
Hike north along the ridge, going over or around rock bumps. Near 13,800 feet the summit comes back into view across a flat part of the ridge.
13
Summit of Mount Columbia 14,075' · 6 mi
Keep following the ridge, pass between two piles of rock, and reach the summit. Mount Harvard rises just to the northwest across a deep basin.
Here Kroenke Lake Trail goes off straight ahead. Keep right to follow Horn Fork Basin Trail.
Coming down: Keep going straight on Horn Fork Basin Trail. Don’t take Kroenke Lake Trail.
Landmarks to know
Bridge over North Cottonwood Creek right after the trailhead.
Second bridge and the junction where you stay right for Horn Fork Basin.
Small clearing near 11,250 feet with Columbia's southwest shoulder in view.
Columbia trail junction, then a second right turn in a long, narrow clearing.
Wide gully at treeline on Columbia's southwest side.
The ridge at 13,680 feet, half a mile from the summit.
Two rock piles just before the top.
Getting down
Walk back south along the ridge to the spot where you came up, at 13,680 feet. The ridge continues south, and people sometimes drop off too early or too late onto loose, steep ground. Find the trail before you start down.
From the ridge, zigzag carefully down the rugged section to about 13,300 feet, then follow the built trail down the shoulder and the talus to the gully and the trees. Do not cut switchbacks or take old shortcut paths; they are loose and cause rockfall. In the forest, turn left at both Columbia junctions to rejoin the main trail, then turn left again down the valley.
If things go wrong
The fastest way to shelter is back the way you came, down the shoulder to treeline at the base of the wide gully near 11,700 feet. If a storm builds while you are on the ridge, head down right away. Do not try to drop straight off the west side of the ridge; the slopes are loose and steep. If someone is hurt, get them to stable ground, keep them warm and send for help. Horn Fork Basin is popular, so other hikers may be close. Call 911 if you have signal.
3D flyover
Press play to fly the West Slopes. The graph shows elevation along the way and how much you gain each mile. Open full screen.
For planning only. The line is traced from open map data, not walked in the field, and off-trail parts are drawn straight. Load it in your GPS app to see the route, but navigate with your eyes, a map and the route description.
See the trail on video
A climb of this route filmed by Aircraft Dispatcher Outdoors. The video belongs to them and only plays when you press play.
Other routes
All 4 routes up Mount Columbia, with the class and round-trip distance for each.
Expect talus, scree and stretches where the trail disappears. Ankles and weather cause most of the trouble here. Start early, keep an eye on the sky, and set a turnaround time before you leave the car.
