1. Angels Landing Trail - Zion National Park

This iconic and challenging trail in Zion National Park offers a thrilling experience for experienced hikers. The trail is 5.4 miles round trip and gains 1,488 feet in elevation. It features steep switchbacks, narrow sections with chain-assisted ascent, and incredible views from the summit.

2. Half Dome Trail - Yosemite National Park

The Half Dome Trail in Yosemite National Park is a strenuous and demanding hike for experienced hikers. It spans approximately 14 to 16 miles round trip, gaining 4,800 feet in elevation. The highlight of this trail is the final ascent using cables to reach the iconic summit of Half Dome, providing breathtaking views of the park.

3. The Narrows - Zion National Park

The Narrows is a unique and challenging hike within Zion National Park. It involves hiking through the Virgin River within a gorge, with towering canyon walls on either side. This hike requires good balance and water hiking equipment, as the trail is primarily in the water. The length of the hike can vary depending on the chosen route, but typically it is a round trip of 9.4 miles.

4. Highline Trail - Glacier National Park

The Highline Trail in Glacier National Park is a popular and strenuous hike for experienced hikers. It stretches for approximately 11.8 miles along the Continental Divide, offering breathtaking alpine scenery, including lakes, glaciers, and wildlife. The trail involves steep sections and rocky terrain, providing a memorable adventure.

5. Bright Angel Trail - Grand Canyon National Park

The Bright Angel Trail is a challenging yet rewarding hike within the Grand Canyon National Park. It offers stunning panoramic views of the canyon and is a perfect option for experienced hikers. The full hike from the South Rim to the Colorado River and back is about 19 miles, but shorter options are available. It descends steeply into the canyon and requires careful planning and preparation.

6. Kalalau Trail - Kauai, Hawaii

The Kalalau Trail is a legendary and strenuous hike located along the Na Pali Coast on the island of Kauai. This rugged and remote trail spans roughly 22 miles round trip and requires a permit. Hikers will encounter steep inclines, narrow paths, and incredible coastal views, making it a challenging yet rewarding adventure.