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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

Lava Ridge

10.4 mi out & back · 4,044 ft gain · 7,408 ft high point · Very hard

From Lower Lava Mountain Trailhead via Lava Mountain (2.2 mi)

Idaho · U.S. Forest Service

Elevation Map Camp near here More hikes

Elevation

4,044 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

8.1 mi from the trailhead
Big Roaring River Lake Campground
Campground · Idaho

More hikes nearby

Ranked the same way, within twenty-five miles.

9 mi from you
Rainbow Basin
- Passes Big Trinity Lake
- Inside Boise National Forest
- 2,721 ft of climbing
8.9 mi out & back · 2,721 ft gain · Hard
Boise National Forest · Camp under a mile away

Out: 1,600 ft up, returns the same way. Source: USGS 3DEP.

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: 10.4 mi
Shape: Out & back
Gain: 4,044 ft round trip
High point: 7,408 ft
Low point: 5,121 ft
Difficulty: Very hardFrom 10.4 mi and 4,044 ft of climbing
Managed by: U.S. Forest Service
State: Idaho
Start: Lower Lava Mountain Trailhead
Trailhead: 43.5674° N · 115.5886° W

Get directions Open the map

8.7 mi from the trailhead

Big Trinity Cabin

Campground · Idaho

11.1 mi from the trailhead

Trinity Warming Hut

Cabin & lookout · Idaho

9 mi from you

Fiddle Lake

Ends at Fiddle Lake
Inside Boise National Forest
1,218 ft of climbing

4.0 mi out & back · 1,218 ft gain · Moderate

Boise National Forest · Camp under a mile away

Big Lookout Lake

Ends at Fiddle Lake
Inside Boise National Forest
1,107 ft of climbing

3.9 mi out & back · 1,107 ft gain · Moderate

Boise National Forest · Camp under a mile away

Little Lookout Lake

Ends at Fiddle Lake
Inside Boise National Forest
1,062 ft of climbing

3.5 mi out & back · 1,062 ft gain · Moderate

Boise National Forest · Camp under a mile away

Middle Rainbow Lake

Passes Big Trinity Lake
Inside Boise National Forest
1,877 ft of climbing

6.4 mi out & back · 1,877 ft gain · Hard

Boise National Forest · Camp under a mile away

Big Rainbow Lake

Passes Big Trinity Lake
Inside Boise National Forest
1,708 ft of climbing

6.0 mi out & back · 1,708 ft gain · Hard

Boise National Forest · Camp under a mile away

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Sat41°31°Mostly Sunny
Sun49°35°Partly Sunny
Mon42°30°Rain Showers Likely
Tue37°25°Chance Rain And Snow Showers
Wed36°26°Snow Showers
Thu34°22°Chance Snow Showers
Fri35°Slight Chance Snow Showers

Sat: Mostly Sunny · wind 3 to 13 mph NW

National Weather Service · refreshed hourly