Mount Buffalo – Trail Guide & Trip Report (Gore Range, Colorado)

Trail Notes

Gore Range, Colorado · 39.62°N 106.11°W

Mount
Buffalo

The Route

Buffalo Cabin Trailhead  →  Boulder Field  →  North Buffalo  →  Knife Edge  →  South Buffalo

Dist
8.0 mi
Gain
3,150′
Time
5:27

The Trail

Fifteen years of driving into Summit County and staring at this mountain from I-70, and I finally went up it. Buffalo Mountain isn't a fourteener — it's not even a thirteener — but the boulder field and the knife edge out to its second summit make it feel like one.

I've spent the past fifteen-plus years visiting Summit County, and one of the first things you see driving in — descending I-70 out of the Eisenhower Tunnel — is the rounded top of Mount Buffalo. It's not a fourteener, it's not even a thirteener, it's twelve-thousand-something, but it stands proudly above Silverthorne, Dillon, and Frisco, visible for miles in every direction. This summer I finally decided to get up there.

I'd heard it was a rugged hike, albeit a short one, but after a few weeks adjusting to altitude and climbing Mount of the Holy Cross the week before, I decided it was time. I set out early — the trailhead fills fast, since it's popular and serves a handful of other hikes in the area — so I got there at 4:30 a.m. and started hiking at 5:00, just as the sky began to turn lighter. Conveniently, it was only a three-minute drive from my Airbnb.

FROM THE TRAIL JOURNAL

Field Notes

The boulder field is the crux of this hike, and it's not about elevation — it's that the trail basically disappears. There are cairns, and tape tied to a few of them, but with numerous social paths crossing an incredibly steep slope of large boulders, it's genuinely easy to lose the route. I lost it myself more than once and had to backtrack to find my way again.

Take it slow, look for the next cairn before you commit to a line, and expect the ascent to take longer than the mileage suggests.

It's short. It is not fast.

— Anton

Middle of the boulder field on Mount Buffalo, looking north toward the Gore Range
In the middle of it, with no clear line to the top.

Trail Diary

Mile 0.0

Buffalo Cabin Trailhead

I got to the lot at 4:30 a.m. — it fills quickly, since this is a popular trailhead that also serves a handful of other hikes in the area. Started hiking at 5:00, right as the sky began to turn lighter.

Mile 0.5

Into the Burn Area

The first part of the hike passes through a large burn scar from the Buffalo Fire a few years back, which came close to taking out half the wilderness. What's left are standing charred trees — a spooky, ominous sight, but a genuinely cool one against a starry pre-dawn sky. Shortly after, I crossed into Eagles Nest Wilderness, and the trail settled into a steady, gradual climb through forest.

Eagles Nest Wilderness boundary sign on the Buffalo Mountain trail
Eagles Nest Wilderness.
Wooded lower trail on Mount Buffalo, already climbing steeply
Wooded at first, but it gets steep quickly.
Mile 1.0

First Light

Same as every hike this summer — I got to enjoy first light again, the sky opening up through the burned and standing trees.

First light on the Mount Buffalo trail
First light.
Tree silhouettes against morning skies on Mount Buffalo
Tree contours against the morning sky.
Mile 1.4

Above the Trees

Reached a more rugged part of the trail and started gaining altitude in earnest. From here you could see the surrounding peaks and Dillon Reservoir behind me. It got fully light by 6:20.

Dillon Reservoir seen from the alpine on Mount Buffalo in morning light
Dillon Reservoir from the alpine.
Mile 2.3

The Boulder Field

Reached the infamous boulder field — the hardest part of the hike. The trail is very hard to follow here, despite cairns and tape on some of them. The boulders are large, there are numerous social paths, and the whole thing is incredibly steep. I took a break at 6:37 and enjoyed the morning light before committing to the ascent.

Bottom of the boulder field on Mount Buffalo, looking up
Bottom of the boulder field, looking up.
Taking a break before committing to the boulder field scramble on Mount Buffalo
A break before committing to the scramble.
Mile 2.5

Still Climbing

Still on the boulder field, but a good chunk of it was behind me. I lost the path several times and had to correct my course.

Scrambling up the boulder field on Mount Buffalo
Scrambling up the boulder field.
Mile 3.0

Above the Boulder Field

Finally made it above the boulder field and onto a more gradual final stretch toward the summit — noticeably easier once the rugged part was behind me. I could see the summit in the distance now, and my pace picked up.

Top of the boulder field on Mount Buffalo, looking back down
Top of the boulder field, looking back down.
Final approach to the North Buffalo summit, easier after the boulder field
The final approach — easier once the boulders are behind you.
Mile 3.5

North Buffalo Summit — 12,777 ft

Reached the North Summit at 7:53. Took in the surrounding views and sat with the question of whether to commit to the Class 3 knife edge over to the South Summit in the distance. I decided to do it — if I'm going to hike Colorado's Class 3 and Class 4 fourteeners eventually, I'll need the practice.

North Buffalo summit, a more mellow ridgeline than South Buffalo
North Buffalo — more mellow than the south.
Self-portrait on the North Buffalo summit
Me on the North Buffalo summit.
Looking down the eastern face of Mount Buffalo
Looking down the eastern face.
Enjoying the view from North Buffalo before continuing to the knife edge
Enjoying the view before continuing.
Mile 3.7

The Knife Edge

The key on a route like this is to take it slow, read your line ahead of time, and keep your footing steady. The exposure here was real — sharp drop-offs on both sides, and quite a bit of scrambling. From up here I could see Copper Mountain in the distance, and the Ten Mile Range sitting in the morning haze.

Committing to the Class 3 knife edge traverse toward South Buffalo
Committing to the knife edge.
The crux of the knife edge route between North and South Buffalo
The crux of the route.
Exposure along the knife edge on Mount Buffalo
The exposure is real.
Steep drop-offs on both sides of the Mount Buffalo knife edge
Gnarly drop-offs on both sides.
Mile 4.1

South Buffalo Summit

Reached the South Summit at 8:24 and took in a 360-degree view of Eagles Nest Wilderness, the Gore Range, the Ten Mile Range, and Dillon Reservoir behind me.

View from the South Buffalo summit
South Buffalo.
Taking in the Gore Range views from the South Buffalo summit
Taking in the Gore Range.
The Ten Mile Range seen from Mount Buffalo
The Ten Mile Range.
Copper Mountain seen from the South Buffalo summit
Copper Mountain in the distance.
Mile 8.0

Back at the Trailhead

I took some time on South Buffalo before starting back — same knife edge, same boulder field, all in reverse. Made it back to the car by 10:30 a.m., about 5 hours and 27 minutes and 8 miles after starting. Short by Colorado standards, and one of the more genuinely engaging days I've had — the boulder field for the route-finding, the knife edge for the exposure.

Taking in the views before heading back down from Mount Buffalo
Taking it all in before heading back down.
Steep terrain on the descent from Mount Buffalo
Steep the whole way down, too.

Hike Summary

Elevation Profile +3,150 ft · 12,777 ft summit
NORTH BUFFALO · 12,777' SOUTH BUFFALO · 12,744' TRAILHEAD SOUTH BUFFALO RETURN
Name
Mount Buffalo (Buffalo Mountain)
Location
Gore Range, Eagles Nest Wilderness, CO
Route
Buffalo Cabin Trailhead → Boulder Field → North Buffalo → Knife Edge → South Buffalo (out & back)
Distance
8.0 miles
Elevation Gain
~3,150 feet
Total Time
5 hrs 27 min
Class
Class 2 (North Buffalo) · Class 3 (South Buffalo)
Access
Paved lot. Fills early, even on weekdays.

Trail Features

What you'll find along the way —

  1. 01

    The Burn Area

    Standing charred trees from the Buffalo Fire, eerie and striking against a starry pre-dawn sky.

  2. 02

    Easy Access to Summit County

    A paved trailhead minutes from Silverthorne, Dillon, and Frisco — no 4WD road required to get started.

  3. 03

    The Knife Edge

    A Class 3 ridge traverse to South Buffalo, with real exposure and drop-offs on both sides.

  4. 04

    Twin Summits

    North and South Buffalo, connected by the ridge, with 360° views of the Gore Range, the Ten Mile Range, and Dillon Reservoir.

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