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11 Under-the-Radar National Parks in the US

Break out of your comfortable Yosemite / Great Smoky Mountains / Grand Canyon rotation.
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This article was originally published on Both Jetsetter and Viator are part of the Tripadvisor Media Group. Follow Viator on Instagram at @viatortravel, and Tripadvisor at @tripadvisor.

By Andrew Skwarek,

The US has 59 national parks, but you’d never know it given that a chosen few reside in the eternal spotlight. Swap Yosemite's rock stars and the peaks of the Great Smoky Mountains for the unsullied glaciers, sea caves, and dunes at these 11 oft-overlooked parks.

1. Lake Clark National Park and Preserve

A bear fishes in Lake Clark National Park in Alaska.
Brown bear fishing in Lake Clark National Park.Photo Credit: Shutterstock


With its sky-high Chigmit Mountain peaks, two active volcanoes, alpine tundra, and turquoise lakes brimming with salmon and so smooth they double as mirrors, Lake Clark National Park and Preserve really is the Last Frontier. The park is only accessible by small aircraft or boat, so this area remains unblemished, and it offers magnificent wildlife sightings of brown and black bears, moose, caribou, and Dall sheep. The 4,030,005-acre national park also allows catch-and-release fishing, with species of salmon—including chum, king, coho, pink, and sockeye—spawning in all main rivers between the months of June and September. Other outdoor adventure includes rafting (don’t expect white-water rapids, though), kayaking, and hiking through the Tanalian Trails network.

When to go: Summer, when the average highs fluctuate between 50 and 65 degrees Fahrenheit (10 and 18 degrees Celsius).

Related: Where to Go Bear-Watching in Alaska

2. Big Bend National Park

A hiker watches the landscape at Rio Grande River in Big Bend National Park in Texas.
A hiker on the rocky shores of the Rio Grande River in Big Bend National Park.Photo Credit: Caleb Fisher / Unsplash


Straddling the Mexico–United States border and crammed with some 500 million years of history, this remote area in the Lonestar State’s Chihuahuan Desert is one of a kind. Big Bend National Park, which gets its moniker from the dramatic change in direction of the Rio Grand River, is an open-air museum: The National Park Service estimates that there are nearly 26,000 archaeological sites spread throughout the park, and some date as far back as 10,000 years. There are 200 miles of hiking trails, ranging from easy to strenuous, and two of the best to tackle are Santa Elena Canyon and Lost Mine. At 4.8 miles (7.7 kilometers) round-trip, the Lost Mine Trail weaves through the Chisos Mountains and offers incredible views of Juniper Canyon and Casa Grande. For something a little shorter, try the Santa Elena Canyon Trail. The hike descends to the Rio Grande’s edge, where the limestone canyon walls soar 1,500 feet (457 meters) above the river. Come nightfall, amateur astronomers gaze up at the natural planetarium with their naked eye as 2,000 stars twinkle in the sky on the clearest of evenings.

When to go: November through April before the sweltering summer heat arrives.

3. Dry Tortugas National Park

An airplane flies over Dry Tortugas National Park, a 100-square mile of mostly open water with seven seven small islands.
The 100-square mile Dry Tortugas National Park is mostly open water with seven small islands.Photo Credit: Alec Douglas / Unsplash


When Spanish explorer Ponce de Leon discovered these pristine islets approximately 70 miles (113 kilometers) west off Key West in 1513, he christened them Las Tortugas, which translates to “The Turtles,” because of the region’s plethora of green, loggerhead, hawksbill, Kemp's ridley, and leatherback turtles. Fast-forward to today: The region is a scuba diver’s playground with shallow, cerulean waters, hundreds of shipwrecks, and nearly 30 varieties of coral swarming with underwater favorites like gray angelfish, red grouper, stoplight and parrotfish. There are daily boat tours to Dry Tortugas National Park from Key West that typically include a visit to the unfinished Fort Jefferson and a few hours for swimming and snorkeling. There’s also a 10-site bare-bones campground, but beware, campers must bring all supplies, including water and food, and all trash must be brought back to the mainland.

When to go: November through April is the region’s dry season and temperatures are comfortable, hovering in the low to mid-70s.

4. Crater Lake National Park

A snowy scene at Crater Lake, deepest lake in the United States, in Oregon.
Crater Lake before the spring thaw arrives.Photo Credit: Nitish Meena / Unsplash


Created after a prehistoric volcano erupted and collapsed 7,700 years ago, Crater Lake is more than five miles (8 kilometers) in diameter and 1,943 feet (592 meters) deep, making it deepest lake in the United States. When the annual spring thaw arrives, a thick blanket of snow melts, trickling as far as 2,000 feet (3,219 meters) down into the piercing cobalt lake. Crater Lake National Park becomes a flurry of activity each summer, with daily boat tours of the lake (reservations are strongly suggested and visitors should be prepared for an arduous hike on Cleetwood Trail to the boat launch). Back on land, cyclists can spin their wheels around the rigorous 33-mile (53-kilometer) Rim Drive and hikers give their soles a run for their money on the 90 miles (145 kilometers) of trails. Those not looking burn calories while sightseeing can hop on a ranger-led trolley tour, which circles the caldera rim seasonally (July to mid-October, weather permitting).

When to go: Late spring and summer are the most ideal times; the park has seen measurable snowfall as early as September.

5. Isle Royale National Park

Visitors arrive by ferry at Michigan's remote Isle Royal National Park.
A small group of hikers arrive by ferry at Michigan's remote Isle Royal National Park.Photo Credit: Jacob Boomsma / Shutterstock


Poking out of Lake Superior near the Canadian border, Isle Royale National Park is at least 14 miles (22.5 kilometers) from the mainland at its closest point and only accessible via seaplane or boat. Its exceptional ecosystem landed it on country’s International Biosphere Reserve list in 1980, so expect to see species like moose, gray wolf, snowshoe hare, and more than eight varieties of bat. In addition to great hiking (don’t miss the Greenstone Ridge Trail for fall foliage), visitors can rent kayaks, canoes, and motorboats at Windigo and Rock Harbor and circumnavigate the main 45-mile (72-kilometer) long island (which is edged by over 450 smaller islets) at their own pace. The national park closes during the winter and opens for visitors in mid-April each year.

When to go: Head there in the summer to kayak or canoe and the early fall to see gorgeous fall foliage.

6. Channel Islands National Park

A boat approaches Santa Cruz Island, the largest island in California.
Santa Cruz Island is the largest island in California.Photo Credit: Priya Karkare / Unsplash


Often dubbed the Galapagos of North America, time has allowed this unique archipelago off the coast of southern California to evolve into its own microcosm. Channel Islands National Park extends to five of the eight islands (Santa Cruz, Santa Barbara, Santa Rosa, San Miguel and Anacapa) and contains 145 plant and animal species found nowhere else on Earth. Set out in search of endemic terrestrial animals such as the night lizard, island gopher snake, island deer mouse or island fox, the largest creature in the island chain, yet one of the smallest canids in the world, tipping the scale at just five to six pounds. Botanists can have a field day identifying the almost 800 flora, while divers can delve below the chilly water to find arcane sea caves. But if you’d rather stay dry, you can hike, camp, kayak, fish and go whale watching as well.

When to go: For wildflower viewing, visit in the springtime, but if you’re looking to partake in hiking or water sports you’ll want to head here in the late summer.

Related: Top National Parks in California

7. North Cascades National Park

An Alpinist climbs a mountain at The North Cascades National Park in Washington.
The North Cascades National Park is a mecca for alpinists and mountaineers.Photo Credit: Luke Helgeson / Unsplash


Stretching to the northern limits of Washington State, North Cascades National Park answers your call of the wild with its grizzly and black bears, lynx, mountain goats, wolverines, and 300-plus glaciers. Zealous climbers in tip-top shape can obtain a backcountry permit and dig their crampons and pickaxes into glacial masses, or go mountaineering and ascend one of the many rugged peaks. Want something a little mellower? Veer off of North Cascades Scenic Highway (Route 20), where more than 15 trails beckon hikers of all abilities. One of the most popular day hikes is the Cascade Pass Trail (accessible by Cascade River Road), which rewards visitors with panoramic views of the behemoth glaciated mountains. Don’t leave North Cascades National Park without cruising Lake Chelan up to Stehekin to see the 312-foot (95-meter) Rainbow Falls and Agnes Gorge (note: this is definitely an overnight trip and there are a handful of accommodations available in the village of Stehekin).

When to go: May through September offer moderate weather and average daytime highs of almost 72 degrees Fahrenheit (22 degrees Celsius).

8. Havasu Falls in Grand Canyon National Park

Waterfalls at Havasu Falls in the Grand Canyon in Arizona.
Turquoise Havasu Falls can only be reached on foot or via horseback or helicopter.Photo Credit: Jan Kronies / Unsplash


Ok, ok. We know the Grand Canyon is perhaps the most famous national park in the world. But it has more than a few secrets tucked within its immense expanse. Our favorite? Havasu Falls. There are no roads in, so your only route is on foot, or via horseback or helicopter. We suggest taking the slow route, hiking 10 miles (16 kilometers) in to reach waterfalls and pools of brilliant turquoise water amid the warm glow of the orange- and red-hued rocks walls. Don't fancy the 10 mile hike out? Hire a horse or helicopter (generally less than $100 one-way) to take you out of the canyon.

When to go: Early spring and late fall offer the best balance of fewer crowds and great weather, but the reward of a dip in the pools makes even a steamy summer hike worth it.

9. Great Sand Dunes National Park

A tourist visits the Great Sand Dunes National Park, a great place for stargazing, in Colorado.
Dry air, minimal light pollution, and high elevation make Great Sand Dunes National Park a great place for stargazing.Photo Credit: Josh Gordon / Unsplash


After an age-old lake dried up on the San Luis Valley floor, domineering southwesterly winds pushed sand remnants toward the Sangre de Cristo Mountains, with winds from divergent directions shaping the sediment into the dunes you see today. Great Sand Dunes National Park features the tallest dunes in North America, and offers visitors the chance to sand board or sled down mounds of sand as high as 750 feet (229 meters). Sand surface temperatures can reach a scorching 150 degrees Fahrenheit (66 degrees Celsius) on summer afternoons, so it’s wise to sled the dunes in the early morning or late evening. Another claim-to-fame of the park is Medano Creek, which has a beach-like microclimate in the late spring and early summer months. (Small surges of water create waves when shallow sand bed dams on the creek break and are great for tubing or wading.) The park is especially kid-friendly, with junior ranger programs, but also has great hiking (Mt. Herard measures in at 13,297 feet, or 4 kilometers, and dwarfs the famous dunes below).

When to go: Late April, May and early June to see the Medano Creek run (it goes bone dry come August and September).

10. Redwood National Park

A hiker observes the giant trees at the Redwood National Park in California.
A hiker amid the giant trees in California's Redwood National Park.Photo Credit: Andrew Jenkins / Unsplash


Redwoods dotted California’s northern coast as long as 20 million years ago, but by the 1960s, the logging industry decimated nearly 90 percent of the population. In a valiant effort to preserve the world’s tallest trees, the Redwood National Park was created in 1968. The best way to comprehend the sheer scale of these giants is by foot, and hiking opportunities abound here. Some great, moderate hikes are the 4.2-mile (6.8-kilometer) James Irvine Trail, which brings visitors to Gold Bluffs Beach and Fern Canyon (as seen in The Lost World: Jurassic Park), as well as Miner's Ridge Trail (this follows the course miners took during the California Gold Rush in the mid 1800s). For more agile hikers, the Tall Trees Trail (you’ll need a permit) is a 3- to 4-hour ramble and home to the tallest redwood on the planet. But, if you don’t have a lot of time to meander through the forest, try the Newton B. Drury Scenic Parkway; the National Park Service refers to this drive as the “not-to-be-missed alternative to US 101” because it cuts straight through the old-growth redwoods, which began their long journey 2,000 years ago as teeny seedlings.

When to go: Summer is the driest season to visit; shoulder season (spring and fall) has fair albeit drizzly conditions.

11. National Park of American Samoa

The scenery at Pago Pago at the National Park of American Samoa.
Pago Pago is the gateway to the National Park of American Samoa.Photo Credit: Shutterstock

Tutuila, Ofu, and Ta‘ū, American Samoa

Be sure to pack some SPF and your snorkel before venturing down to the only US national park south of the equator (approximately 2,600 miles, or 4,184 kilometers, southwest of Honolulu) that includes three volcanic islands and two atolls. The coral reefs here, which have the greatest biodiversity of any park in the United States, are heaving with almost 900 species of colorful fish like the raccoon butterflyfish, clown triggerfish, and guineafowl puffer. (Olosega and Ofu islands are your best bet for top-notch coral reef preservation and near-perfect snorkeling conditions.) But you can also be completely idle: The National Park of American Samoa has plenty of spotless shoreline for you to worship the sun or set up a romantic beach picnic.

When to go: Balmy year-round temperatures make this national park in the South Pacific Ocean easy around the calendar.

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