12 Hikes Across The United States That Are Challenging, But Incredibly Worth It

Hey there, aspiring adventurer! Are you looking for a true challenge that will push you to your limits? Then you won’t want to miss out on these 12 hikes across the United States that are challenging but incredibly worth it. These treks offer stunning views of natural landscapes and the opportunity to explore some of the most remote areas of the country. While they may be tough, the sense of accomplishment at the end is worth every step. So, whether you’re an experienced hiker or just looking for a new adventure, these hardest hikes in the US are sure to satisfy your craving for adventure.

When on rugged and remote trails like these, AllTrails is especially important. With the free version of AllTrails, users can favorite trails, create lists, look at photographs, read reviews, and navigate on the trail, but AllTrails+ offers the ability to unlock more map details, bring trails to life with 3D maps, and even preview 3D flyovers. You can even improve the hiking experience with downloadable offline maps, wrong turn alerts, and print maps for backup.

Kalalau Trail, Hawaii 96746, USA

Andy Baerst/Flickr

Ready to tackle one of the most thrilling hikes in the USA? Let's talk about the Kalalau Trail in Hawaii. Brace yourself for a 22-mile round trip through the jaw-dropping Na Pali Coast of Kauai. This trail isn't for the faint of heart—it's tough. Picture narrow paths along sheer cliffs, numerous stream crossings, and Hawaii's unpredictable weather throwing rain and wind your way.

But fear not! With proper preparation, you can conquer it. Pack sturdy hiking boots, plenty of water, and essential supplies like snacks, sunscreen, and rain gear. Start early to make the most of daylight and give yourself ample time. Make sure you're in good shape and have some experience with challenging terrain. Trust the process, the breathtaking views and sense of accomplishment at the end will make every step worth it. Are you up for the challenge?

Need To Know: You must obtain a permit to hike and camp along the Kalalau Trail. Plan well in advance as permits are limited and in high demand.

Angels Landing, Utah 84737, USA

Murray Foubister, CC BY-SA 2.0 , via Wikimedia Commons

Are you looking for an adventure in Utah? Angel's Landing is a popular hiking trail located in Zion National Park. It's a challenging hike known for its steep ascent, narrow ridges, and breathtaking views. The hike is approximately 5.4 miles round trip and is considered one of the most difficult hikes in the park. The trail climbs 1,500 feet in elevation and includes a section called "Walter's Wiggles," a series of 21 steep switchbacks that can leave even the fittest hikers feeling winded.

At the summit, hikers are rewarded with stunning views of Zion Canyon and the Virgin River. However, the hike takes a dose of courage, as the final half-mile section involves navigating along the infamous Angel's Landing Trail, where chains provide support in precarious spots. With proper preparation and a sense of adventure, Angel's Landing offers an unforgettable experience amidst Utah's stunning red rock landscape.

Need To Know: The trail is not recommended for those with a fear of heights or inexperienced hikers. Check the weather forecast beforehand and start early to avoid crowds and heat. Bring plenty of water and supplies as there are no water sources available. A permit is necessary for hiking Angels Landing.

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Grand Canyon National Park, Arizona, USA

Grand Canyon National Park/Flickr

The Rim to Rim hike in Grand Canyon National Park is one of the most challenging hikes in the country. The trail is approximately 24 miles long and requires descending from the North Rim of the Grand Canyon via the North Kaibab Trail, crossing the Colorado River before connecting with the Bright Angel Trail and ascending to the South Rim. It's considered the hardest hike in the park, with over 10,000 feet of cumulative ascent and descent.

Expect a challenging journey through diverse landscapes, from pine forests to desert vistas, with extreme temperatures and limited water sources. Despite its challenges, the Rim to Rim hike offers epic views of the Grand Canyon and Colorado River and is a once-in-a-lifetime experience for those up to the challenge.

Need To Know: Before tackling the Rim-to-Rim, ensure excellent physical fitness and proper preparation. Be aware of wildlife encounters and trail hazards. A permit is required for hiking the Rim to Rim Trail; obtain it in advance due to high demand.

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Mist Trail, California, USA

HylgeriaK, CC BY-SA 3.0 , via Wikimedia Commons

Hiking Half Dome via the Mist Trail in Yosemite National Park is an exhilarating adventure. Starting from Happy Isles, you'll trek about 14 to 16 miles round trip, gaining over 4,800 feet in elevation. The Mist Trail portion boasts steep granite staircases, often drenched in spray from Vernal and Nevada Falls, lending a refreshing mist in warmer months.

The highlight of the journey is undoubtedly the final ascent up the cables section, a thrilling but strenuous climb to the summit. Once atop Half Dome's iconic granite crest, at 8,842 feet, breathtaking views of Yosemite Valley unfold, rewarding you with a sense of awe and accomplishment. The hike to Half Dome via the Mist Trail in Yosemite National Park is an experience that offers both a challenging journey and a stunning reward.

Need To Know: Remember to secure permits in advance, prepare for variable weather, and prioritize safety throughout this unforgettable hike.

Wonderland Trail, Wonderland Trl, Washington, USA

Nick Postorino/Flickr

The Wonderland Trail circumnavigates the majestic Mount Rainier, offering a demanding yet gratifying hiking experience. This trail, spanning approximately 93 miles, showcases various landscapes, including dense forests, alpine meadows, glacial rivers, and spectacular views of Mount Rainier. Expect significant elevation changes and varying terrain, from rocky slopes to wooden bridges over rushing streams.

High points of the trail include extraordinary panoramas of the snow-capped peak reflected in crystal-clear lakes, encounters with abundant wildlife, and the camaraderie of fellow hikers along the way. Embark on the Wonderland Trail for an unforgettable adventure, immersing you in the unparalleled beauty of Mount Rainier National Park.

Need To Know: Prepare by knowing the trail, getting permits, packing essential gear (including layers, sturdy boots, navigation tools, food, and water), and staying hydrated and informed for a safe and enjoyable hike on the Wonderland Trail.

Appalachian National Scenic Trail, United States

Dylan, CC BY-SA 3.0 , via Wikimedia Commons

The Appalachian Trail (AT) is an iconic long-distance hiking route spanning around 2,190 miles from Georgia to Maine. As you embark on this journey, anticipate encountering different landscapes, from rugged mountains to serene valleys, alongside ever-changing weather conditions. Along the way, you'll become part of a vibrant community of fellow thru-hikers, trail angels, and welcoming towns.

One of the most memorable moments is reaching the summit of Mount Katahdin in Maine, marking the northern terminus of the trail and symbolizing the culmination of your incredible journey. Be prepared for the physical and mental demands of the trail, immerse yourself in its natural beauty, and cherish your experiences and connections forged along the Appalachian Trail.

Need To Know: Before starting your Appalachian Trail hike, plan and prepare your gear and supplies, have a realistic itinerary, get in shape, and learn about Leave No Trace principles.

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Pacific Crest Trail Southern Terminus, 601-735 Forrest Gate Rd, Campo, CA 91906, USA

Bureau of Land Management California/Flickr

The Pacific Crest Trail is a 2,650-mile-long hiking trail that spans from the border of Mexico to Canada. It crosses through three states - California, Oregon, and Washington - and offers a diverse range of terrain and landscapes, from the Mojave Desert, the Sierra Nevada Mountains, Crater Lake, and Mount Rainier. The trail also passes through several national parks and forests and offers stunning views of the Pacific Ocean, volcanic peaks, and alpine lakes.

Hiking the Pacific Crest Trail is challenging and requires careful planning and preparation. You will encounter steep ascents and descents, extreme temperatures, and long stretches without access to water or other amenities. You'll meet people from all over the world, share stories and tips, and support each other through the ups and downs of the journey. The trail also offers otherworldly views, the opportunity to connect with nature, and a sense of accomplishment unmatched by other outdoor activities.

Need To Know: To prepare for the Pacific Crest Trail, one should consider the necessary gear, physical training, and mental preparation. It is important to research the trail, find out when you need permits, plan resupplies, and be prepared for the unexpected.

The Maze, Utah, USA

Mike Renlund/Flickr

The Maze in Canyonlands National Park is a remote and rugged wilderness area - characterized by towering sandstone cliffs, deep canyons, and intricate rock formations. Expect challenging off-trail hiking, route-finding through narrow slot canyons, and navigating steep terrain. The Maze offers a sense of isolation and solitude, with minimal human presence and stunning panoramic views of the surrounding desert landscape.

A highlight of the Maze is its incredible natural beauty, with iconic landmarks such as the Chocolate Drops, the Doll House, and the Harvest Scene. This hike promises an adventure for experienced wilderness hikers seeking a true backcountry experience amidst the stunning red rock scenery of the American Southwest.

Need To Know: Obtaining a backcountry permit is essential for hiking in The Maze due to its remote nature and limited facilities. Permits can be obtained from the Canyonlands National Park visitor center. Additionally, carry sufficient water, navigation tools, and emergency supplies, as services are minimal, and cell phone coverage is limited to non-existent.

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White Mountains, Lincoln, NH 03251, USA

Zachary Pereira/AllTrails

The Presidential Traverse is in the White Mountains of New Hampshire. At approximately 20 miles long with over 8,000 feet of elevation gain, it typically takes between one and three days to complete. The trail takes you across the summits of several peaks, including Mount Washington, the highest peak in the Northeastern United States. You can expect to encounter a variety of terrain, from rocky and steep ascents to exposed ridges and alpine environments.

The hike can be physically demanding, but the insane views of the surrounding mountains and valleys are well worth the effort. An apex of the hike is reaching the summit of Mount Washington, which offers beautiful panoramic views of the surrounding landscape. The Presidential Traverse is a must-do for experienced hikers looking for a challenging adventure in the beautiful White Mountains.

Need To Know: No permits are necessary, but don't underestimate the weather; it's no joke, with over 150 deaths recorded. Many of these tragedies result from inadequate preparation and awareness of how rapidly conditions can change at the summit. Bring gear, begin early, and adhere to Leave No Trace principles.

Mount Whitney, Mt. Whitney, California, USA

Don Graham from Redlands, CA, USA - God bless it!, CC BY-SA 2.0 , via Wikimedia Commons

Mount Whitney, located in the Sierra Nevada mountain range of California, is the highest peak in the contiguous United States, standing at an elevation of 14,505 feet.

The most challenging route to Mt. Whitney is undoubtedly the Mountaineer's Route. This route is not for the timid and requires significant experience in mountaineering. The trailhead is located at Whitney Portal, and the route includes a 4,000-foot ascent over five miles.

Once you reach Lower Boy Scout Lake, the route becomes more challenging as you navigate the couloir, which is steep and requires ice ax and crampons. After the couloir, you will reach the summit plateau, where you can enjoy phenomenal panoramic views of the surrounding mountains.

Need To Know: This route is only recommended for experienced mountaineers and requires preparation - check the weather, bring gear, and climb with others. Allow time for acclimatization, stay hydrated, and have an emergency plan. Obtain permits and follow regulations for a safe and enjoyable climb.

The Long Trail Northern Terminus, Jay, VT 05859, USA

Famartin, CC BY-SA 4.0 , via Wikimedia Commons

Have you ever hiked a 272-mile trail? The Long Trail is just that - it runs through the Green Mountains of Vermont, from the Massachusetts border to the Canadian border. This trail is the oldest long-distance hiking trail in the United States, and it offers a unique and challenging hiking experience. Trekking along the trail, you'll encounter rugged terrain, steep climbs, and breathtaking views of the surrounding mountains and valleys. You'll also pass through quaint towns and villages and have the opportunity to meet other hikers along the way.

One of the best parts of the trail is the summit of Mount Mansfield, the tallest peak in Vermont. From here, you'll have a panoramic view of the surrounding mountains and valleys that is truly breathtaking. The trail is well-maintained, and hiking the Long Trail is perfect for anyone who loves the outdoors and is up for a multi-day challenge.

Need To Know: Water is plentiful along the trail with frequent stream crossings, and backpackers could utilize shelters maintained by the Green Mountain Club for camping.

Highline Trail, Montana, USA

Greg Willis from Denver, CO, usa, CC BY-SA 2.0 , via Wikimedia Commons

If you're seeking a thrilling hiking adventure - the Highline Trail in Glacier National Park is a must-do. This legendary trail spans approximately 73 miles through stunning alpine terrain, offering epic views of glacier-carved valleys, rugged peaks, and alpine meadows.

While the trail provides an unforgettable experience, it's not for the easily frightened. You should prepare for tough sections with significant elevation gain and loss, narrow ridges, and unpredictable weather.

Wildlife lovers will love the chance to spot mountain goats, bighorn sheep, and even grizzly bears along their journey. The trail's most famous feature is the Garden Wall section, where you will traverse a narrow path carved into a cliffside with dramatic drop-offs and unparalleled views of the surrounding landscape. Get ready to immerse yourself in the beauty and grandeur of Glacier National Park on the Highline Trail hike!

Need To Know: Bear encounters are possible, so carry bear spray and know how to use it. Check trail conditions and weather forecasts before starting your hike. Consider starting early to avoid crowds and increase wildlife spotting opportunities. Remember, you'll need a backcountry permit for camping in Glacier National Park.

Have you trekked any of these trails? Which are you looking forward to tackling? Angel’s Landing looks intense, right? Let me know your thoughts – I’d love to hear from you!

Are you looking for more hikes across the US? Then check out these 20 iconic trails that must be on every outdoor enthusiast’s bucket list. As you’re prepping for your outdoor adventures, make sure your packing list has these must-have accessories – including our favorite hiking accessory, AllTrails+.

These 20 Iconic Hiking Trails Must Be On Every Outdoor Enthusiast’s Bucket List