America’s national parks are some of the most popular outdoor destinations in the country, drawing hundreds of millions of visitors every year. But which parks attract the most people? Using the National Park Service’s 2025 Visitor Use Statistics, released in March 2026 by playcasino.com, we ranked the nine most visited national parks in the United States by annual recreation visits.
The numbers offer a look at where travelers are heading, although they shouldn’t be treated as a crowd forecast for a particular weekend. Annual totals are influenced by a park’s size, location, attractions, and length of its visitor season, so check current conditions, alerts, and reservation requirements before planning your trip.
#9 Olympic National Park, WA – 3,584,187 visits
Olympic National Park offers an incredible variety of landscapes, with visitors able to move from the rugged Pacific coastline to lush temperate rainforest and alpine mountain scenery, all within the same park. That diversity makes Olympic a unique destination where you can experience several distinct environments in a single trip.
#8 Grand Teton National Park, WY – 3,800,648 visits
Located in Wyoming and covering approximately 480 square miles, Grand Teton National Park is defined by the jagged Teton skyline, wide open valleys, and stunning mountain lakes. Surrounded by world class skiing and endless opportunities for hiking, climbing, wildlife viewing, and other outdoor adventures, it’s a must see destination for any outdoor enthusiast.
#7 Acadia National Park, ME – 4,079,318 visits
Acadia National Park offers a compact New England escape, where a rugged Atlantic coastline meets granite peaks and forested mountains. Despite its relatively small size, the park packs plenty of scenic hiking, coastal views, and classic Northeast landscapes into a small area.
#6 Rocky Mountain National Park, CO – 4,171,431 visits
Rocky Mountain National Park draws visitors to Colorado with its spectacular high elevation scenery, alpine trails, and dramatic mountain roads. From soaring peaks to sweeping views along Trail Ridge Road, the park offers an impressive taste of the Rocky Mountains in a relatively compact area.
#5 Yosemite National Park, CA – 4,278,413 visits
Yosemite National Park remains one of the most iconic destinations in the U.S., and it’s easy to see why. Its towering granite cliffs, spectacular waterfalls, and legendary Yosemite Valley continue to draw visitors from around the world to California’s Sierra Nevada.
#4 Grand Canyon National Park, AZ – 4,430,653 visits
Grand Canyon National Park is one of the most iconic outdoor destinations in the United States, drawing visitors from around the world to its vast canyon landscape. Its landmark viewpoints and rim trails offer one of the country’s most recognizable outdoor experiences, with spectacular views around nearly every turn.
#3 Yellowstone National Park, WY/MT/ID – 4,762,988 visits
Yellowstone National Park is renowned for its geological activity, breathtaking scenery, and immense size, attracting visitors from around the world. Geysers, colorful geothermal features, abundant wildlife, and its status as the world’s first national park keep Yellowstone high on the list of America’s most visited national parks.
#2 Zion National Park, UT – 4,984,525 visits
Zion National Park is famous for its massive red and pink sandstone cliffs, dramatic canyon scenery, and magnificent slot canyons. Its steep red rock walls and signature hikes make it one of the biggest draws in southern Utah, attracting visitors from around the world.
#1 Great Smoky Mountains National Park. NC/TN – 11,527,939 visits
With more than 800 miles of hiking trails, dozens of historic structures, incredible plant and animal diversity, no entrance fee, and easy access from several major cities, it’s no surprise that Great Smoky Mountains National Park tops the list. Its scenic mountain roads and extensive trail network make it one of the biggest draws in the Southeast.
These nine parks showcase just how diverse America’s national parks can be. Great Smoky Mountains National Park’s enormous lead shows just how popular these public lands have become, but the rankings are also a reminder that annual visitation doesn’t tell the whole story. Whether you’re looking for a crowded icon or a quieter corner of a massive park, there are countless ways to explore these incredible landscapes.