Skip to main content
Flat Mountain Loop route map
Difficulty: ExpertLoop

Flat Mountain Loop

Philomath, Oregon

33.0 mi

Distance

9,078 ft

Elev. Gain

14h 16m

Est. Time

Loop

Route Type

Expert

Difficulty

About This Trail

Flat Mountain Loop is a loop trail in Benton County, Oregon. It is 33 miles long. The nearest town is Bellfountain, Oregon, about 5 miles away in a straight line.

From the trail data on this page.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

No recent condition reports. Be the first to share what you see on the trail.

Elevation Profile

Min:229 ft
Max:820 ft
Gain:2,767 ft
Loss:2,767 ft
Elevation profileA line rising and falling between 229 ft and 820 ft across 33.0 mi along the route, drawn from start to end.229 ft426 ft623 ft820 ft0.0 mi8.2 mi16.5 mi24.7 mi33.0 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi234 ft
High point12.5 mi820 ft
End33.0 mi234 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Bellfountain, OR · about 5 mi away
County:
Benton County, OR

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: May 23, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

Reviews

No reviews yet

Be the first to share your experience and help others plan their visit.

Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

Spot an error in our data on Flat Mountain Loop?