The Snowman Trek in Bhutan is considered one of the most challenging treks in the world. It is a 217-mile (350 km) journey that takes around 25-30 days to complete. The trek begins in the district of Paro. From here hikers will pass through lush forests and cross nine high-altitude passes along the way.
The Skyline Trail – aka the Cactus to Clouds Trail – runs about 21.2 miles from Palm Springs to San Jacinto Peak with a hike back to the Palm Springs Aerial Tramway. It sports 10,332 feet of elevation gain.
Continental Divide TrailArguably the most challenging thru-hike of the National Scenic Trails, it traverses five states, ranges from 4,000 to 14,000-feet in elevation, and passes through alpine tundra, broad glacial valleys, craggy mountain peaks, and desolate desert landscapes.
You'll want to note that the AT takes five to seven months to complete its 2,190 miles, while the PCT take four to six months to complete 2,650 miles of trail. That shows, when evaluating the most obvious factor, terrain, the AT is without question the more difficult of the two trails.
The northern sections of the trail are more difficult and strenuous. The southern end (Coinciding with the Appalachian Trail) is more crowded. The northern sections tend to be more rewarding. There's something odd about beginning a journey at “Journey's End” (The Northern Terminus).
National Park of American Samoa: The least-visited US national park in 2022 saw just 1,887 visits. Most visitors will need a passport to travel to American Samoa. 2. Gates of the Arctic National Park and Preserve, Alaska: This vast park contains no roads or trails.
Great Smoky Mountains National Park, NC/TN – 12.9 millionGreat Smoky Mountains is the most popular national park in the country – as it has been for decades! This is because it's one of the national parks closest to major metropolitan areas all along the east coast.
The Triple Crown consists of the Big Three National Scenic Trails: The Appalachian Trail, the Pacific Crest Trail and the Continental Divide Trail. Completing the Triple Crown requires about 7,900 miles of hiking through 22 US States.
The Appalachian TrailA quarter of the trail (550 miles) is in Virginia. Its highest point is 2,025-metre Clingmans Dome in the Great Smoky Mountains in Tennessee.
4. Appalachian Trail for the most accessible thru-hiking trek. The 'granddaddy' of this list. Forming part of the 'Triple Crown of Hiking' alongside The Continental Divide Trail and the Pacific Crest Trail, the Appalachian Trail is also the most user-friendly.