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O'Neill Pass To Lake La Crosse Loop route map
Difficulty: ExpertOut and Back

O'Neill Pass To Lake La Crosse Loop

Brinnon, Washington

46.5 mi

Distance

16,155 ft

Elev. Gain

21h 12m

Est. Time

Out & Back

Route Type

Expert

Difficulty

About This Trail

O'Neill Pass To Lake La Crosse Loop is an out-and-back trail in Jefferson County, Washington. It is 47 miles long and gains 16,155 feet. The nearest town is Brinnon, Washington, about 6 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.

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Elevation Profile

Min:165 ft
Max:1,663 ft
Gain:4,924 ft
Loss:4,924 ft
Elevation profileA line rising and falling between 165 ft and 1,663 ft across 46.5 mi along the route, drawn from start to end.165 ft664 ft1,164 ft1,663 ft0.0 mi11.6 mi23.2 mi34.8 mi46.5 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi171 ft
High point19.1 mi1,663 ft
End46.5 mi171 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Verify before you go

Where it is

Nearest town:
Brinnon, WA · about 6 mi away
County:
Jefferson County, WA

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?

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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.

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