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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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Yamsay Mountain, Klamath County, Oregon

Hike

Fremont NRT

Summits Yamsay Mountain
Inside Fremont National Forest
10,492 ft of climbing

76.6 mi one way · 10,492 ft gain · 8,180 ft high point · Very hard

In Fremont National Forest · Oregon · OpenStreetMap contributors

About Elevation Highlights Map Camp near here More hikes

About this hike

Fremont NRT reaches Yamsay Mountain over 76.6 miles one way in Fremont National Forest, passing Government Harvey Pass and near Hager Mountain.

Elevation

10,492 ft of gain and 7,108 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.6 mi from the trailhead
Marsters Spring Campground
Campground · Oregon

More hikes nearby

Ranked the same way, within twenty-five miles.

10 mi from you
Lakes Loop
- Summits Dead Horse Rim 8064
- Inside Fremont National Forest
- 1,284 ft of climbing
7.1 mi loop · 1,284 ft gain · Hard
Fremont National Forest · Camp 4 mi away

Elevation along the trail from the start. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Yamsay MountainDestination · 76.6 mi in
Government Harvey PassAlong the way · 16.1 mi in
Fremont PointNearby · 28.6 mi in
ViewpointNearby · 28.6 mi in
Hager MountainNearby · 53.7 mi in

Nearby reading

Yamsay Mountain

Map

The route at the trailhead. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.

At a glance

Length: 76.6 mi
Shape: One way
Gain: 10,492 ft
Descent: 7,108 ft
High point: 8,180 ft
Low point: 4,708 ft
Difficulty: Very hardFrom 76.6 mi and 10,492 ft of climbing
Managed by: OpenStreetMap contributors
State: Oregon
Camps within 15 mi: 2
Trailhead: 42.6157° N · 120.6063° W

Get directions Open the map

9.3 mi from the trailhead

Bald Butte Lookout (Fremont-Winema National Forest, OR)

Campground · Oregon

10 mi from you

Lakes Loop Tie

Summits 8134
Inside Fremont National Forest
1,093 ft of climbing

5.4 mi out & back · 1,093 ft gain · Moderate

Fremont National Forest · Camp 4 mi away

Cougar Peak

Summits Cougar Peak
Inside Fremont National Forest
1,705 ft of climbing

7.5 mi out & back · 1,705 ft gain · Hard

Fremont National Forest

Gearhart Mountain Trail

Passes Palisade Rocks
Inside Fremont National Forest
2,891 ft of climbing

12.2 mi one way · 2,891 ft gain · Very hard

Fremont National Forest · Camp 5 mi away

Southern Oregon Intertie Trail

Ends at Vee Lake
Inside Fremont National Forest
15,163 ft of climbing

53.6 mi one way · 15,163 ft gain · Very hard

Fremont National Forest · Camp under a mile away

Boulder Springs

Near Gearhart Mountain
Inside Gearhart Mountain Wilderness
3,012 ft of climbing

12.1 mi out & back · 3,012 ft gain · Very hard

Gearhart Mountain Wilderness · Camp 9 mi away

More like this

Hikes that read like this one, wherever they are.

Crane Mountain NRT
- Passes Red Peak
- Inside Fremont National Forest
- 4,901 ft of climbing
22.8 mi one way · 4,901 ft gain · Very hard
Fremont National Forest · Camp 7 mi away
Auger Valley Trail
- Inside Fremont National Forest
- 1,279 ft of climbing
- Camp under a mile away
6.2 mi out & back · 1,279 ft gain · Moderate
Fremont National Forest · Camp under a mile away
Southern Oregon Intertie Trail
- Inside Fremont National Forest
- 3,234 ft of climbing
- Camp under a mile away
15.8 mi out & back · 3,234 ft gain · Very hard
Fremont National Forest · Camp under a mile away
Southern Oregon Intertie Trail
- Near Hager Mountain
- Inside Fremont National Forest
- 3,027 ft of climbing
15.6 mi one way · 3,027 ft gain · Very hard
Fremont National Forest · Camp 6 mi away

Weather

7-day forecast

Today51°31°Partly Sunny
Tue48°27°Mostly Cloudy
Wed51°29°Mostly Sunny
Thu52°29°Mostly Sunny
Fri54°30°Partly Sunny
Sat59°33°Mostly Sunny
Sun59°34°Mostly Sunny

Today: Partly Sunny · wind 7 mph S

National Weather Service · refreshed hourly

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain