Great Smoky Mountains
Hot and crowded at lower elevations.
23 prime · 24 good · June
Best National Parks to Visit in June
June opens the mountain parks. High roads like Trail Ridge in Rocky Mountain and Tioga Road in Yosemite are usually open, Alaska has nearly 24 hours of daylight, and the Great Lakes come alive. Snow can still linger on the highest trails.
Top picks for June: Great Smoky Mountains, Yosemite, Cuyahoga Valley, Bryce Canyon, New River Gorge. Kids are out of school by mid-June and crowds jump. Early June is the better bet.
Prime in June (23)
Yosemite
The valley is crowded and the falls thin out, but Tioga Road and the high country around Tuolumne Meadows are at their best.
Cuyahoga Valley
Green and busy, with concerts and the full train schedule.
Bryce Canyon
Because of the high elevation, highs are mostly in the 70s and 80s.
New River Gorge
Prime whitewater rafting and climbing season.
Yellowstone
Everything is open, and it's very busy.
Grand Teton
All trails, lakes and boat shuttles are open.
Shenandoah
Green and cooler than the lowlands.
Acadia
Busy and beautiful.
Badlands
Hot, often over 90°F, with severe thunderstorms.
Carlsbad Caverns
Prime time for the sunset bat flight, when hundreds of thousands of Brazilian free-tailed bats spiral out of the cave mouth.
Great Sand Dunes
The sand surface can reach 150°F on summer afternoons.
Mesa Verde
All tours and Wetherill Mesa are open.
Glacier Bay
Prime season for the day boat, cruise ships, kayaking and humpback whales.
Redwood
Busiest season.
Theodore Roosevelt
The main season.
Wind Cave
Most cave tours are running, but they often sell out.
Black Canyon of the Gunnison
Everything is open, including the more remote North Rim.
Denali
The main season, with near-endless daylight and the most bus trips.
Kenai Fjords
Prime time for boat tours, the Harding Icefield Trail and puffins.
Lake Clark
Bear viewing at Chinitna Bay and Silver Salmon Creek, plus fishing and paddling.
Wrangell–St. Elias
Prime time for Kennecott tours, glacier hikes and flightseeing.
National Park of American Samoa
Dry season, from June to September.
Season opens in June
Grand Teton Opens
Yellowstone Opens
Theodore Roosevelt Opens
Acadia Opens
Denali Opens
Glacier Bay Opens
Kenai Fjords Opens
Lake Clark Opens
Wrangell–St. Elias Opens
Last chance in June
Yosemite Last call
Bryce Canyon Last call
Mesa Verde Last call
Grand Teton Last call
Yellowstone Last call
Great Sand Dunes Last call
Badlands Last call
Wind Cave Last call
Acadia Last call
Cuyahoga Valley Last call
Great Smoky Mountains Last call
Shenandoah Last call
Also good in June (24)
Gates of the Arctic
The visitor season: river trips and backpacking under the midnight sun.
Channel Islands
Calmer seas and warmer water make summer the best time for kayaking and snorkeling, and blue and humpback whales feed offshore.
Guadalupe Mountains
Hot in the lowlands, with afternoon storms, though the high country stays cooler.
Isle Royale
The main season for backpacking and paddling.
Katmai
July is the peak at Brooks Falls, when bears gather to catch leaping sockeye salmon.
North Cascades
The best and busiest time, though 'busy' here is quiet by national park standards.
Virgin Islands
Hot, calm and good for snorkeling, but hurricane season begins in June.
Voyageurs
The main season, for houseboating, paddling and island camping.
Capitol Reef
Hot but manageable at higher elevations.
Dry Tortugas
Hot, with flat calm seas that are often ideal for snorkeling.
Gateway Arch
Hot and humid, and the tram sells out daily.
Glacier
The short main season.
Great Basin
The best season.
Haleakalā
Busy family travel season.
Hawaiʻi Volcanoes
Busy with family travel.
Hot Springs
Hot and humid.
Kings Canyon
Prime season for the canyon floor, the river and high-country trails like Mist Falls and Rae Lakes.
Olympic
The driest months by far.
Sequoia
The main season.
Grand Canyon
The rims are warm and crowded, but the inner canyon is deadly hot, often over 110°F at Phantom Ranch.
Indiana Dunes
Beach season.
Mammoth Cave
Every tour runs, but they sell out.
Rocky Mountain
Prime season for the tundra and alpine wildflowers.
Zion
Hot, often over 100°F, and very crowded.
June by region
Skip these in June
Death Valley, Joshua Tree, Saguaro, Big Bend, Everglades. These parks are largely closed, snowbound or dangerously hot in June.
June questions
What are the best national parks to visit in June?
The top-rated national parks for June are Great Smoky Mountains National Park, Yosemite National Park, Cuyahoga Valley National Park, Bryce Canyon National Park, New River Gorge National Park. In total, 23 parks are rated prime and 24 more are rated good this month.
Which national parks are least crowded in June?
Redwood, Lake Clark, Wrangell–St. Elias, National Park of American Samoa are at their best in June without big crowds.
Which national parks should I avoid in June?
Death Valley, Joshua Tree, Saguaro, Big Bend, Everglades are rated poor in June, usually because of closures, snow or extreme heat.
Is June a good time to visit national parks?
June opens the mountain parks. Kids are out of school by mid-June and crowds jump. Early June is the better bet.
Last reviewed October 4, 2026. Ratings are editorial. Rules and road openings change each year, so confirm on the official NPS site before you go.