Southwest Idaho

photo by Michale Vogt
You might expect to see sand dunes at the ocean, but in inland Idaho, it’s nothing but a geological puzzle. onetheless, there it is: at 470 feet, the tallest single-structure sand dune in North America at Bruneau Dunes State Park, 65 miles southeast of Boise. In fact, the Bruneau Dunes are the only ones of their kind in the Western Hemisphere.
Geologists believe the dunes began forming about 15,000 years ago with material from an Ice Age flood. The dunes sit in the middle of a natural basin where the wind is equally distributed on all sides, causing the dunes to be stable and unlikely to shift or move.
Bruneau Dunes State Park is open year round, and on any given day from March through October you’ll see people climbing the dunes and often sliding down the tallest one on plastic snow saucers. But these great sand structures aren’t the park’s only attractions.
Bruneau Dunes is also home to Idaho’s largest public observatory. Every weekend night from mid-March to mid-October, it hosts a “star party” for visitors, who get to peer through a 25-inch reflector telescope or other smaller telescopes.
“It’s a great place for viewing because of our dark skies,” says assistant park manager Steve Russell. “We don’t get a lot of light pollution here.”
Besides exploring the dunes, the park’s most popular activities in daylight hours include hiking and fishing for bass or bluegill in two small lakes. The fishing is particularly good in spring and early summer, when “trophy” largemouth bass measuring more than 20 inches have been caught.

photo by Michale Vogt
Hikers like the Dunes 6-mile hiking trail, which begins behind the visitor center and follows a circular path in semiwilderness desert terrain with lakes and marshland near most of the trail. Temperatures often top 90 during summer, and the rocky terrain can be tough on feet—water, sunscreen, a hat and sturdy shoes are essential. If horses are your thing, Bruneau Dunes has an equestrian facility featuring two horse corrals, more than a dozen semi-primitive camp sites for riders and a nine-mile riding trail around the park.
Two other camping areas—Eagle Cove and Broken Wheel—offer hot showers and electrical hook-ups, and two cozy cabins are for rent. Camping is permitted year round, but water is available only from March through October. No matter where you camp, you’re never far from the yell of a coyote or hoot of an owl.
This destination park’s most popular season is from mid- March to mid-June. For more information go on-line at
parksandrecreation/idaho.gov/parks/bruneau-dunes or call 208-366-7919. For information about visiting Idaho, go to
visitidaho.org