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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.

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Hike

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 · 3,431 ft high point · Hard

Via the Thunder Creek Trail (1.7 mi)

Washington · OpenStreetMap contributors

About Elevation Highlights Map Camp near here More hikes

About this hike

This 7.8-mile out and back uses Thunder Creek Trail to traverse Diablo Lake in North Cascades National Park with 2,679 feet of climb.

Elevation

2,679 ft of gain round trip.

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

Out: 2,300 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Diablo LakeAlong the way · 0.0 mi in

Map

The hike from its start, the approach dashed. 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: 7.8 mi
Shape: Out & back
Gain: 2,679 ft round trip
High point: 3,431 ft
Low point: 1,216 ft
Difficulty: HardFrom 7.8 mi and 2,679 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.

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 · Very 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
Panther Creek Trail
- Passes Fourth of July Pass
- 4,709 ft of climbing
13.9 mi out & back · 4,709 ft gain · Very hard
Washington · Camp 5 mi away

Weather

7-day forecast

Today53°36°Partly Sunny
Sun56°36°Sunny
Mon58°43°Mostly Sunny
Tue57°41°Mostly Cloudy
Wed58°43°Light Rain Likely
Thu54°41°Chance Light Rain
Fri51°39°Rain

Today: Partly Sunny · wind 2 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