With so many national parks in the U.S. and so much ground to explore, choosing an ideal hiking trail can be a challenge. The best hikes should get you to one or more of the park's top sights, and our 10 favorite national park hikes do just that. These trails, some more strenuous than others, guide the explorer past stunning landscapes and offer a glimpse of the park’s most remarkable treasures: rare species, peculiar rock formations, pristine beaches, spectacular canyons, or abundant wildlife. Take Grinnell Glacier Trail in Montana’s Glacier National Park which lets you view three of the park’s remaining 25 glaciers (down from 150 a hundred years ago), or the Waikamoi Cloud Forest Hike in Maui’s Haleakala National Park which gets you up close to rare species found nowhere else on the planet, or the Outer Loop Trail to Yosemite’s Mariposa Grove which lets you walk through, around, and underneath ancient towering sequoia trees. Nature’s wonderland beckons – all you need is a good pair of walking shoes, plenty of water, and a taste for adventure. Get a preview of these top trails with our National Park Hikes slideshow.

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