Six make 52-mile trek across Idaho's Craters of the Moon National Monument

Tacoma News TribuneApril 29, 2014 

Six people recently made a rare trek across Idaho's Craters of the Moon National Monument and Preserve. For more picture's visit


Very few people attempt to hike the challenging 52 miles across Idaho’s Craters of the Moon National Monument and Preserve, but on April 11 six people made the trip.

Here’s the report posted by Ted Stout, Chief of Interpretation and Education at the monument:

Craters of the Moon National Monument and Preserve is composed of three young lava fields that spread across 500,000 acres of wild country on the Snake River Plain. Over the last 15,000 years, the lava erupted through a series of deep cracks, known collectively as the Great Rift. 

How does one hike across a 52-mile long volcano? On April 11th, the six members of the 2014 Great Rift Expedition took up the challenge to find passage through this ocean of lava. During the next seven days, they endured many hardships but also experienced the joy of discovery.  

Expedition members quickly learned why very few folks have willingly traversed this route. Waves of rough stone ripped at their boots, blistered feet, and slowed progress. The wind blew incessantly and water, always a concern in this parched country, was an especially scarce commodity due to a dry winter. Fortunately, there was just enough ice and snow hidden in deep cracks and caves to sustain the group.  

Along the way, the group made many observations and discoveries. They marked the location of more than 15 newly discovered caves and observed a wide variety of flora and fauna. Although early in the season, 32 different wildflower species were observed blooming - a splash of color across the dark lava.

Healthy herds of elk and pronghorn and a variety of bird species including great horned owl, sage grouse and numerous song birds were also observed. Especially impressive were the kipukas, vegetated islands of older lava rock surrounded by younger lava, which serve as a refuge for native plants and animals. These areas also provided refuge for the weary “rifters” as they sought out a place to rest in the evenings.

Fifty years ago, in a nearly unanimous vote, Congress enacted landmark legislation that permanently protected some of the most undisturbed places in America. The Wilderness Act identified wilderness as "an area where the earth and its community of life are untrammeled by man, where man himself is a visitor who does not remain".  

This definition accurately describes a large portion of Craters of the Moon, where in 1970 Congress designated the first wilderness area in any national park unit. Expansion of the monument in 2000 included another 495,000 acres of adjoining lands already determined by the Bureau of Land Management to be worthy of wilderness designation. 

These wilderness study areas remain undeveloped and are managed to ensure they will continue to qualify as wilderness while Congress considers designation. Due to the wilderness character of this landscape, visitors often feel as though they are the first ever to experience it, but expedition members nonetheless found several historic and prehistoric archeological sites, including ancient wind shelters and even the foundations of structures built in more modern times along the margins of the flows.

Projectile points, flakes of obsidian and well-worn trails across cinder slopes provided additional evidence that this group was not the first to pass this way. After all, the expedition was following in the footsteps of Robert Limbert, the great Idaho explorer. He summed up the experience of hiking the Great Rift in 1920 with a quote to which all members of the 2014 Expedition can surely relate:

“To stand and gaze with amazement mingled with fear at things of which the world knows nothing…passing alone through volcanic craters…crossing miles of folds of rock similar to the folds of a huge blanket was indeed an experience never to be forgotten.” 


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