Hell’s Half Acre

Lava Trail System Southbound Loop

Southbound Loop Winding Past Depression

The Southbound Loop of the Lava Trail System in Hell’s Half Acre is an easy 0.75 mile loop that brings weary drivers over a young volcanic landscape along I-15 in southeastern Idaho.

Lava Trail Loop

Colorful Sky over Lava Landscape

The Lava Trail Loop is a 1 mile loop on Hell’s Half Acre, Idaho that brings hikers across a rugged and wild volcanic landscape.

Twenty Mile Trail

Hiker Overlooking Lava Vent

The Twenty Mile Trail is a 5.1 mile hike in Hell’s Half Acre beginning at the Lava Rocks Trailhead in the Snake River Plain of southeastern Idaho. While the trail itself is 4.5 miles, it will require you to use a section of the shorter loop trail which will add about 0.5 miles each way.

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