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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

Leave it better than you found it.

Hike

Trillium Trail

Near Welcome Lake

1.7 mi of trails · 270 ft climb · 509 ft high point

Washington · OpenStreetMap contributors

About Elevation Highlights Map More hikes

About this hike

Trillium Trail is a 1.7 mile trail network with 270 feet of climb near Welcome Lake.

Elevation

217 ft of gain and 270 ft of descent.

More hikes nearby

Ranked the same way, within twenty-five miles.

23 mi from you
Lake Serene Trail
- Ends at Logjam Falls
- Inside Snoqualmie National Forest
- 2,387 ft of climbing
3.9 mi of trails · 2,387 ft climb
Snoqualmie National Forest · Camp 2 mi away

Elevation along the trail from the start. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

ViewpointNearby
Welcome LakeNearby

Map

The route at the trailhead. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.

At a glance

Length: 1.7 mi
Shape: Trail network
Gain: 217 ft
Descent: 270 ft
High point: 509 ft
Low point: 346 ft
Managed by: OpenStreetMap contributors
State: Washington
Camps within 15 mi: 0
Trailhead: 47.6981° N · 122.0512° W

Get directions Open the map

24 mi from you

Mailbox Peak Trail

Summits Mailbox Peak
4,418 ft of climbing

5.1 mi one way · 4,418 ft climb

Washington · Camp 7 mi away

Mount Si Trail

Summits Mount Si / q̓əlbc̓
3,559 ft of climbing

3.9 mi one way · 3,559 ft climb

Washington · Camp 9 mi away

Mount Teneriffe Trail

Summits Mount Teneriffe
4,353 ft of climbing

6.4 mi one way · 4,353 ft climb

Washington · Camp 9 mi away

Bridal Veil Falls Trail

Ends at Bridal Veil Falls-Lower East Cascade
Inside Snoqualmie National Forest
Camp 2 mi away

2.2 mi of trails · 895 ft climb

Snoqualmie National Forest · Camp 2 mi away

Mount Persis Trail

Summits Mount Persis
2,677 ft of climbing
Camp 5 mi away

1.8 mi one way · 2,677 ft climb

Washington · Camp 5 mi away

Signal

Cell coverage here

VerizonLTE · Fair
AT&TLTE · Poor
T-Mobile5G · Fair

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Thu76°52°Sunny
Fri73°52°Sunny
Sat71°51°Mostly Sunny
Sun71°51°Mostly Sunny
Mon70°52°Mostly Sunny
Tue67°50°Partly Sunny
Wed69°Partly Sunny

Thu: Sunny · wind 2 mph N

National Weather Service · refreshed hourly

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