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Status unknown — verify before visiting

We don't have current condition data for this trail. Check with the land manager before you go.

Thunder Knob Trail
ModerateOut and Back

Thunder Knob Trail

Marblemount, Washington

3.3 mi

Distance

764 ft

Elev. Gain

1h 26m

Est. Time

Out & Back

Route Type

Moderate

Difficulty

About This Trail

Imported description
Before visiting the Ross Lake National Recreation Area, please check it out. The bridges at the beginning of the trail have been removed so be prepared for a small climb over a log.

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:381 ft
Max:570 ft
233 ft
233 ft
381 ft444 ft507 ft570 ft0.0 mi0.8 mi1.7 mi2.5 mi3.3 mi

Trail Details

Route Type
Out & Back
Surface
Dirt

Official sources & verification

Managed by United States Forest Service

Verify before you go

Verify by phone or mail

  • Address:WA
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.

Hunt context

This trail crosses hunting unit

During hunting seasons, wear blaze orange and check regulations — see the Washington hunting page

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