Hell's Half Acre Lava Flow


Visitors who take the time to walk through this approximately 4,000-year-old lava flow can learn how it was created and how plants and animals have managed to adapt to this harsh environment. Interpretive signs are located along the trails.


From Idaho Falls, take Interstate 15 south for 15 miles to either of 2 rest areas, and look for directional signs to the trails from the parking lots.






Upper Snake Field Office 1405 Hollipark Drive Idaho Falls, ID 83401


Interpretive Programs Hiking Wildlife Viewing


BLM - Bureau of Land Management

Wear the Black Diamond 12-point Serac Strap Crampons with your favorite pair of trekking boots for blissful hikes over...
Price subject to change | Available through Backcountry.com
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Featured Park
Rising above a scene rich with extraordinary wildlife, pristine lakes, and alpine terrain, the Teton Range stands monument to the people who fought to protect it. These are mountains of the imagination. Mountains that led to the creation of Grand Teton National Park where you can explore over two hundred miles of trails, float the Snake River or enjoy the serenity of this remarkable place.
Featured Wildlife
The pika is a close relative of the rabbits and hares, with two upper incisors on each side of the jaw, one behind the other. Being rock-gray in color, pikas are seldom seen until their shrill, metallic call reveals their presence.
Currently Viewing Hell's Half Acre Lava Flow