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Snow Lake Trail to Source Lake Spur Trail route map
Difficulty: DifficultOut and Back

Snow Lake Trail to Source Lake Spur Trail

Snoqualmie Pass, Washington

4.1 mi

Distance

1,552 ft

Elev. Gain

1h 52m

Est. Time

Out & Back

Route Type

Difficult

Difficulty

About This Trail

We don't publish a description for Snow Lake Trail to Source Lake Spur 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.

United States Forest 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:960 ft
Max:1,265 ft
Gain:473 ft
Loss:473 ft
Elevation profileA line rising and falling between 960 ft and 1,265 ft across 4.1 mi along the route, drawn from start to end.960 ft1,062 ft1,163 ft1,265 ft0.0 mi1.0 mi2.1 mi3.1 mi4.1 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi960 ft
High point2.1 mi1,265 ft
End4.1 mi960 ft

Trail Details

Route Type
Out & Back

Permit required

Apply through the issuing agency. Many systems run seasonal lotteries or fixed application windows — confirm current dates on the agency page.

A free wilderness permit is required for day use as well as overnight trips in the Alpine Lakes Wilderness from May 15 to October 31. Permits are self-issued at trailheads and ranger stations. A Recreation Pass is also required at the Snow Lake trailhead.

Get permit

Official sources & verification

Managed by United States Forest Service

Verify before you go

Reserve or permit

  • Apply for permit

    Required permit application for this trail. Many systems run seasonal lotteries or fixed application windows — confirm current dates here.

Where it is

Nearest town:
Snoqualmie Pass, WA · about 2 mi away
County:
King County, WA
Jurisdiction:
Snoqualmie National Forest · United States Forest Service

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

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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.

Spot an error in our data on Snow Lake Trail to Source Lake Spur Trail?