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15.5 mi

Distance

1,460 ft

Elev. Gain

5h 54m

Est. Time

Expert

Difficulty

About This Trail

We don't publish a description for Big Beaver Trail unless we can point you at the agency it came from. We don't have one yet. The planning figures above — distance, elevation gain, estimated time, route type — come from the source listed on this trail.

National Park Service manages this trail and is the authority for conditions, closures and route notes. See official sources below. Spot something we should add?

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:493 ft
Max:1,113 ft
Gain:522 ft
Loss:786 ft
Elevation profileA line rising and falling between 493 ft and 1,113 ft across 15.5 mi along the route, drawn from start to end.493 ft700 ft907 ft1,113 ft0.0 mi3.9 mi7.7 mi11.6 mi15.5 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi757 ft
High point2.2 mi1,113 ft
End15.5 mi493 ft

Official sources & verification

Managed by National Park Service

Verify before you go

Source of truth

Where it is

Nearest town:
Marblemount, WA · about 24 mi away
County:
Whatcom County, WA
Jurisdiction:
North Cascades National Park · National Park Service

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

Verify by phone or mail

  • Operator:360-854-7200
  • Address:810 State Route 20 · Sedro-Woolley, WA · 98284
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: Aug 17, 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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OpenStreetMap

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