America has 63 national parks — and if you want to see the 51 in the lower 48, the good news is they can all be connected into a single epic loop. Here’s a route that hits every one of them, along with everything you need to know to plan the trip of a lifetime.
| Trip Stat | Detail |
| Route Type | Loop — start anywhere, finish where you began |
| Minimum Time | ~2 months at a very fast pace |
| Recommended Time | 4–6 months to actually experience the parks |
| National parks in lower 48 | 51 (plus 4 recently added — see below) |
| Total US national parks | 63 (including Alaska, Hawaii, and territories) |
| Best vehicle | RV or travel trailer — lodging and transport in one |
Why Do This Trip in an RV?
An RV or travel trailer is the ideal vehicle for a national parks road trip. You don’t have to scramble for lodging at each park, plan separate dining stops, or coordinate multiple logistics at once. Everything you need travels with you. If you want to linger an extra day at Yellowstone or squeeze in a sunrise at Cadillac Mountain, all you need is a nearby campsite — and most national parks have them. For a months-long trip, many RV owners will also offer a discount on long-term rentals. Browse RV rentals near your starting point to find the right rig for the journey.
The Route: All 51 Lower 48 National Parks in Order
The route is designed as a loop, so you can pick it up from any park on the list and travel in order until you return to your starting point. It’s optimized to minimize backtracking across the country.
- Grand Canyon National Park, AZ
- Petrified Forest National Park, AZ
- Saguaro National Park, AZ
- Guadalupe Mountains National Park, TX
- Carlsbad Caverns National Park, NM
- Big Bend National Park, TX
- Hot Springs National Park, AR
- Mammoth Cave National Park, KY
- Great Smoky Mountains National Park, TN/NC
- Everglades National Park, FL
- Dry Tortugas National Park, FL
- Biscayne National Park, FL
- Congaree National Park, SC
- Shenandoah National Park, VA
- Acadia National Park, ME
- Cuyahoga Valley National Park, OH
- Isle Royale National Park, MI
- Voyageurs National Park, MN
- Theodore Roosevelt National Park, ND
- Badlands National Park, SD
- Wind Cave National Park, SD
- Rocky Mountain National Park, CO
- Great Sand Dunes National Park and Preserve, CO
- Black Canyon of the Gunnison National Park, CO
- Mesa Verde National Park, CO
- Canyonlands National Park, UT
- Arches National Park, UT
- Capitol Reef National Park, UT
- Bryce Canyon National Park, UT
- Zion National Park, UT
- Great Basin National Park, NV
- Grand Teton National Park, WY
- Yellowstone National Park, WY
- Glacier National Park, MT
- North Cascades National Park, WA
- Mount Rainier National Park, WA
- Olympic National Park, WA
- Crater Lake National Park, OR
- Redwood National and State Parks, CA
- Lassen Volcanic National Park, CA
- Yosemite National Park, CA
- Kings Canyon National Park, CA
- Sequoia National Park, CA
- Pinnacles National Park, CA
- Channel Islands National Park, CA
- Joshua Tree National Park, CA
- Death Valley National Park, CA
Four parks added since this route was originally created: Indiana Dunes, White Sands, Gateway Arch, and New River Gorge have all been designated national parks and fit naturally into the Midwest and New Mexico leg of the route.
How Long Does This Trip Take?
The honest answer: as long as you want to give it. At a breakneck pace, a two-month trip is technically possible — but that’s no way to experience places like Yosemite, the Grand Canyon, or Glacier. To truly do the route justice, plan on four to six months minimum. Some parks — the Great Smoky Mountains, the Everglades, Glacier — could fill a week on their own. Others, like Capitol Reef and Shenandoah, are well-suited to a drive-through with a few scenic stops.
Acadia
Acadia National Park in Main is home to Cadillac Mountain, the tallest mountain along the Atlantic coast of the U.S. The park has 158 miles of hiking trails, and you’ll want some time to explore Acadia’s rugged coast and to admire the beauty of this easternmost national park. You may also want to spend some time in the nearby villages…and you’ll definitely want to make room for a lobster roll or two!
Bryce Canyon
Bryce Canyon National Park’s strange-looking hoodoos can be admired from a viewing area at the top, but if you’re able to, it’s worth it to spend a day hiking down and among the hoodoos so you can see them up close. The park’s visitor center has lots more information on the formations, and there are several other hikes to waterfalls and other beautiful areas of the park.
Carlsbad Caverns
Carlsbad is not a simple vista where you can pull over at an outlook, admire the view, and move on. To truly experience Carlsbad Caverns, you’ll want to tour the underground caves and see stalactites and other limestone formations far under the earth.
Everglades
The Everglades are so unlike almost anywhere else in the country, and the drive to get there is out-of-the-way enough that you’ll definitely want to spend some time there when you arrive! The park is home to a wide range of animals – many of them endangered – like manatees, crocodiles, and Florida panthers. Taking the time for an airboat tour is also worth it because it’s an experience you can’t get most places.
Glacier National Park
Rather than having one main focal point, like the Grand Canyon, Glacier National Park covers over one million acres of land in Montana and Canada, including more than 130 lakes and 734 miles of trails. A drive through the park is the best way to experience the majesty of the mountains (don’t miss Going-to-the-Sun Road), but you’ll want time to stop and admire the lakes and perhaps take some time to kayak, hike, or take a boat tour in one of the larger lakes.
Grand Canyon National Park
The Grand Canyon, as we mentioned above, does have one main focal point – a canyon. However, there are so many vantages from which to see the canyon that each one holds something new, and you could spend a full day, or several, driving to each of the visitor centers and observation points and learning more about the area. If you want to hike to the bottom of the canyon and back, you’ll definitely want to plan a few days at the park.
Hot Springs National Park
You could visit Hot Springs just to look at the panoramic view of the area and learn a little about its history, but if you truly want to experience the park, set aside some time to indulge and relax in the hot springs themselves.
Yellowstone National Park
It is possible to drive through Yellowstone, stopping at Old Faithful, and continuing on your way. But to truly experience the park, to explore the geothermal activity, and to learn about the animals who live there including bison and bears and the history of the people who lived there, you’ll want to take your time.
Yosemite National Park
There’s a lot to explore at Yosemite. You can start by visiting Yosemite Falls and El Capitan along the valley floor, and there are great outlooks for viewing Half Dome. There are also many hikes in Yosemite, to waterfalls and meadows, and up Half Dome itself if you’re feeling ambitious. You could definitely find enough to do at the park for many days.
Recently Designated Parks to Add to Your Route
Four parks have been officially designated since this route was first mapped, and all fit naturally into the loop.
Indiana Dunes National Park (Indiana) sits along the southern shore of Lake Michigan and is a surprisingly diverse ecosystem — prairies, wetlands, forests, and 15 miles of sandy beaches. It slots easily into the Great Lakes leg of the route near Cuyahoga Valley.
White Sands National Park (New Mexico) protects the world’s largest gypsum sand dune field — 275 square miles of brilliant white dunes. It falls naturally between Carlsbad Caverns and Guadalupe Mountains on the New Mexico portion of the route.
Gateway Arch National Park (Missouri) is the smallest national park by area, but it tells a significant chapter of American expansion history through the iconic 630-foot arch in St. Louis. It’s a natural stop on the Midwest leg between Mammoth Cave and Theodore Roosevelt.
New River Gorge National Park and Preserve (West Virginia) became the country’s 63rd national park in December 2020, upgraded from National River status. It’s a world-class destination for whitewater rafting, rock climbing, and hiking, located about an hour from Charleston, WV. Despite the name, the New River is one of the oldest rivers on the continent. It fits between Shenandoah and Cuyahoga Valley on the eastern portion of the route.
National Parks Outside the Lower 48
If you’re inspired to extend the bucket list beyond the continental US, these parks are worth the extra effort — and tend to be far less crowded than their lower-48 counterparts.
Alaska (8 Parks)
Alaska has eight national parks, but only three are accessible by road: Denali, Kenai Fjords, and Wrangell-St. Elias. Glacier Bay — the most visited Alaska park — is accessible primarily via cruise ship or small plane. Denali anchors the state’s park system: it protects the highest peak in North America at 20,310 feet across 6 million acres of wilderness — an area larger than the state of New Hampshire.
Hawaii (2 Parks)
Hawaii has two national parks. Haleakala on Maui is famous for sunrise views from the rim of its massive volcanic crater, and for the thrilling bike-down-the-volcano tours. Hawaii Volcanoes on the Big Island is home to one of the most active volcanic systems on Earth — Kilauea’s 2018 eruption destroyed more than 700 homes and was a reminder of the raw geological power at work here. The park has since reopened and remains one of the most dynamic landscapes you can visit anywhere in the world.
U.S. Territories (2 Parks)
Virgin Islands National Park encompasses two-thirds of the island of St. John, with turquoise water, coral reefs, and more than 750 plant species. The National Park of American Samoa in the South Pacific is one of the most remote parks in the system — and one of the most ecologically and culturally rich.
Planning Tips
- Book campsites early. The most popular national parks — Yosemite, Glacier, Grand Canyon, Zion — fill up months in advance. Many now also require timed entry reservations to enter the park at all. Check each park’s reservation system before arriving.
- Check vehicle restrictions. Many national parks have RV length limits for campgrounds and access roads. Review each park’s restrictions before you go, especially for Class A motorhomes.
- Don’t rush the big parks. The temptation to check off every park on a tight schedule is real, but the most memorable experiences come from spending real time at the marquee parks. Be willing to skip a quick-visit park if it means an extra day at Yellowstone or Glacier.
- Plan for road closures. Some park roads — including Glacier’s Going-to-the-Sun Road and Rocky Mountain National Park’s Trail Ridge Road — are closed seasonally due to snow. Factor seasonal timing into your route.
- Carry the America the Beautiful Pass. At $80 per year, the annual interagency pass covers entrance fees at all national parks and federal recreation sites. It pays for itself quickly on a multi-park road trip.
Key Takeaways
- The route most popular national parks in the lower 48 forms an epic loop that includes all 51 parks.
- Traveling in an RV is ideal for this trip as it combines lodging and transport, offering flexibility and comfort.
- Plan for 4-6 months to fully experience the parks, with options for two months at a fast pace.
- Make early campsite reservations, check vehicle restrictions, and prepare for potential road closures due to weather.
- Consider acquiring the America the Beautiful Pass for convenient access to all national parks during your journey.
Frequently Asked Questions About National Parks
There are 51 national parks in the lower 48 states. The US has 63 national parks in total, adding 8 in Alaska, 2 in Hawaii, and 2 in US territories.
New River Gorge in West Virginia, designated in December 2020, is the most recently designated national park. It covers over 70,000 acres of river gorge, forest, and Appalachian wilderness in southern West Virginia, about an hour from Charleston.
At an absolute minimum, it will take you two months if you’re moving fast. Realistically, four to six months gives you enough time to meaningfully experience the major parks while still making progress on the route. Many people take a year or more.
Many of the most popular parks — including Yosemite, Glacier, Zion, Arches, and others — now require timed entry reservations during peak season, sometimes in addition to a campsite reservation. Always check the specific park’s NPS page well in advance of your planned visit.
For most people, yes, an RV is the best vehicle for a national parks road trip. An RV combines transportation and lodging into one, eliminates the daily scramble for a hotel, and lets you stay on the fly wherever the scenery moves you. Check campsite size limits at each park before you go, especially with larger Class A motorhomes.
Ready to start planning? You can browse RV rentals near your starting point and find the perfect rig for your national parks road trip — from compact vans ideal for solo travelers to full-size motorhomes built for months on the road.
