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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.

Ross Lake (19962053796)

Hike

Thunder Creek Trail

Ends at Diablo Lake
7,615 ft of climbing
Camp under a mile away

18.5 mi one way · 7,615 ft gain · 6,102 ft high point · Very hard

Washington · OpenStreetMap contributors

About Elevation Highlights Map Camp near here More hikes

About this hike

Thunder Creek Trail reaches Diablo Lake and Park Creek Pass in North Cascades National Park via a one-way, 18.4-mile route with 7,615 feet of climb.

Elevation

7,615 ft of gain and 2,738 ft of descent.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

0.1 mi from the trailhead
Colonial Creek South Campground
Campground · Washington

More hikes nearby

Ranked the same way, within twenty-five miles.

15 mi from you
Sahale Arm Trail
- Ends at Sahale Glacier
- Inside North Cascades National Park
- 4,235 ft of climbing
11.7 mi out & back · 4,235 ft gain · Very hard
North Cascades National Park · Camp 4 mi away

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

Highlights

What the trail reaches, measured from the start.

Diablo LakeDestination · 0.0 mi in
Park Creek PassDestination · 18.5 mi in
ViewpointAlong the way · 16.9 mi in
Thunder GlacierNearby · 16.4 mi in

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. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.

At a glance

Length: 18.5 mi
Shape: One way
Gain: 7,615 ft
Descent: 2,738 ft
High point: 6,102 ft
Low point: 1,216 ft
Difficulty: Very hardFrom 18.5 mi and 7,615 ft of climbing
Managed by: OpenStreetMap contributors
State: Washington
Camps within 15 mi: 14
Trailhead: 48.6854° N · 121.0925° W

Get directions Open the map

0.3 mi from the trailhead

Colonial Creek South Campground

Campground

0.5 mi from the trailhead

Colonial Creek North Campground

Campground · Washington

23 mi from you

McGregor Mountain Trail

Summits McGregor Mountain
Inside Stephen Mather Wilderness
6,035 ft of climbing

12.1 mi out & back · 6,035 ft gain · Very hard

Stephen Mather Wilderness · Camp 6 mi away

Black Peak Trail

Summits Black Peak
Inside Wenatchee National Forest
5,664 ft of climbing

11.2 mi out & back · 5,664 ft gain · Very hard

Wenatchee National Forest · Camp 12 mi away

Lookout Mountain Trail

Summits Lookout Mountain
Inside Mt. Baker National Forest
4,476 ft of climbing

9.0 mi out & back · 4,476 ft gain · Very hard

Mt. Baker National Forest · Camp 1 mi away

South Fork Cascade River Trail

Ends at South Cascade Glacier
Inside Mt. Baker National Forest
7,596 ft of climbing

19.3 mi out & back · 7,596 ft gain · Very hard

Mt. Baker National Forest · Camp under a mile away

West Fork Pasayten Trail

Summits Slate Peak
Inside Pasayten Wilderness
3,545 ft of climbing

14.6 mi one way · 3,545 ft gain · Very hard

Pasayten Wilderness

More like this

Hikes that read like this one, wherever they are.

Fourth of July Trail
- Passes Diablo Lake
- 2,679 ft of climbing
- Camp under a mile away
7.8 mi out & back · 2,679 ft gain · Hard
Washington · Camp under a mile away
Thunder Knob Trail
- Ends at Diablo Lake
- Camp under a mile away
3.4 mi out & back · 697 ft gain · Moderate
Washington · Camp under a mile away
Thunder-Park-Bridge Cross-Park Trek
- Near Rainy Lake
- Inside North Cascades National Park
- 4,391 ft of climbing
16.1 mi one way · 4,391 ft gain · Very hard
North Cascades National Park · Camp 11 mi away
Park Creek Trail
- Ends at Park Creek Pass
- Inside North Cascades National Park
- 4,978 ft of climbing
15.4 mi out & back · 4,978 ft gain · Very hard
North Cascades National Park · Camp 11 mi away

Weather

7-day forecast

Today58°40°Partly Sunny
Wed59°43°Mostly Sunny
Thu53°42°Light Rain Likely
Fri52°40°Light Rain
Sat57°43°Chance Light Rain
Sun52°38°Light Rain
Mon53°41°Chance Light Rain

Today: Partly Sunny · wind 3 mph N

National Weather Service · refreshed hourly

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain