Exploring Utah’s Bentonite Hills: An Otherworldly Adventure Near Capitol Reef

Unlock the otherworldly beauty of Utah’s Bentonite Hills: a vibrant Martian landscape near Capitol Reef National Park. Imagine stepping onto a canvas painted with hues you wouldn’t believe exist on Earth—reds, blues, purples, even greens! This isn’t science fiction; it’s the Bentonite Hills, a geological marvel waiting to be explored. This comprehensive guide will equip you with everything you need to know to plan your own otherworldly adventure.

A Martian Landscape on Earth

Ever dreamed of visiting Mars? Utah’s Bentonite Hills offer a surprisingly similar experience, right here on our planet. These vibrant, swirling mounds of clay in shades of red, orange, and yellow stretch beneath a vast, often cloudless sky. The landscape is so bizarre and beautiful, you’ll half expect to see a rover cresting the next rise.

Millions of years ago, volcanic eruptions blanketed the area in ash and other sediments. These materials gradually transformed into bentonite clay, a substance known for absorbing water and swelling. This process, combined with erosion—wind, rain, and the relentless march of time—sculpted the soft clays into the rolling hills we see today. The resulting landscape, a geological masterpiece, testifies to nature’s power to create the unique and captivating.

Navigating the Rainbow Roads

Getting to the Bentonite Hills is an adventure in itself. While not impossibly remote, the journey requires a high-clearance vehicle. The unpaved roads can become rough, especially after rain. Think less “Sunday drive” and more “off-road expedition.” As you bump along, the familiar greens and browns of the Utah desert give way to the otherworldly hues of the bentonite formations.

Here’s a more detailed guide on driving to the Bentonite Hills.

Capturing the Cosmic Colors

Once you arrive, prepare to be amazed. The hills rise and fall like waves in a petrified sea. The colors shift and swirl depending on the time of day and the angle of the sun. The Bentonite Hills are a photographer’s dream; the golden hour light is truly magical. Even if photography isn’t your passion, the sheer strangeness and beauty of the place will leave a lasting impression.

The best time to visit is likely spring or fall. Summers can be scorching, while winters can bring snow and muddy conditions, making the roads even more challenging. Whenever you go, be prepared. Bring plenty of water, wear sturdy shoes, and pack layers, as the temperature can fluctuate dramatically. And don’t forget your sense of adventure!

Beyond the Bentonite Hills

While the Bentonite Hills are the main attraction, the surrounding area has much to offer. Capitol Reef National Park, a wonderland of canyons, cliffs, and domes, is just a short drive away. It’s an ideal place to hike, explore, and soak in the grandeur of the Utah landscape.

If you’re captivated by the Martian theme, consider visiting the Mars Desert Research Station (MDRS), a nearby facility where scientists conduct research in a simulated Martian environment. It’s a fascinating glimpse into the future of space exploration. For those seeking a different kind of natural beauty, consider a detour to the captivating amur river maple, a stunning tree that thrives in diverse landscapes.

Is a Visit Worth It?

Is the detour to the Bentonite Hills worth it? Absolutely. This unique geological formation offers a glimpse into a vibrant, volcanic past. The hills, composed of ancient volcanic ash transformed into colorful clays, are a testament to the artistic power of nature.

Located near Capitol Reef National Park, the Bentonite Hills are an easy addition to any Utah adventure. Access is straightforward, either by driving yourself with a high-clearance vehicle or joining a guided tour.

The Bentonite Hills are not just a visual spectacle; they tell a compelling geological story. The rainbow hues result from volcanic activity millions of years ago. The volcanic ash, weathered and transformed into bentonite clay, has a unique ability to absorb water and swell, creating the undulating landscape.

Beyond the hills themselves, the surrounding area offers a wealth of attractions. Capitol Reef, with its stunning canyons and orchards, and the Mars Desert Research Station, where scientists simulate life on Mars, complement the otherworldly landscape of the Bentonite Hills beautifully.

Decoding the Rainbow Hills

The Bentonite Hills’ vibrant colors, ranging from reds and yellows to oranges and even purples, contribute significantly to their otherworldly appearance. The secret lies in the bentonite clay, formed from ancient volcanic ash altered by water and the elements over vast stretches of time.

Iron oxides, acting as natural pigments, stain the clay various shades of red, yellow, and brown. The concentration and type of iron oxide present determines the specific color, much like adding different amounts of paint to a palette.

The interaction of minerals with water and air further enhances the colors. Bentonite clay swells when wet and shrinks when dry. This constant expansion and contraction affects how iron oxides oxidize (react with oxygen), producing even more color variations.

Wind and rain have also sculpted the hills over millions of years, exposing different layers of bentonite clay, each with potentially varying mineral compositions and oxidation levels. This creates striking bands of color, adding to the hills’ complexity. The interplay of light and shadow, especially during the golden hours of sunrise and sunset, further enhances the hues, creating a photographer’s paradise.

While our understanding of the geological processes behind the Bentonite Hills’ colors is advanced, ongoing research might reveal more intricate details. Factors like trace elements or the specific volcanic ash type could also play a role.

Can I Drive to Bentonite Hills?

Yes, you can drive directly to the Bentonite Hills. This “Mars on Earth” landscape, accessible via Utah State Route 24, offers a scenic road trip experience. Located west of Hanksville, Utah, the area is free to explore.

Driving Directions:

  1. GPS Destination: Enter “Bentonite Hills” or “Mars Desert Research Station.”
  2. Eastward Bound: Drive east on UT-24E towards Notom Bullfrog Basin Road.
  3. Turn Left: Turn left onto N Cow Dung Road. You’ll pass the Mars Desert Research Station. Shortly after, you’ll arrive at the Bentonite Hills.

Estimated Driving Times:

  • Capitol Reef National Park: ~45 minutes
  • Canyonlands National Park (Moab): ~2-3 hours
  • Salt Lake City: ~4 hours

These are estimates and may vary. While you can drive to the area, exploring the hills themselves is best done on foot due to uneven terrain.

Road Conditions:

Roads to the Bentonite Hills are generally well-maintained but can become muddy after rain. Check the forecast and road conditions before heading out. The area is remote, so cell service can be unreliable. Download offline maps and inform someone of your plans.

Preserving the Landscape:

The Bentonite Hills are a delicate environment. Stick to marked trails and avoid disturbing the formations to help preserve their beauty. While the landscape appears stable, ongoing research studies the long-term effects of weather and visitor traffic. So, tread lightly and enjoy this special place.

Lola Sofia