Best time to visit · Nevada
Best Time to Visit Great Basin National Park
Ancient bristlecone pines, a marble cave and some of the darkest skies in America.
The best time to visit Great Basin National Park is July–September. For great conditions with fewer people, aim for September. It's busiest in June through August.
Month by month
Great Basin by season
Winter Fair
Snow closes the upper Wheeler Peak Scenic Drive. Lehman Caves tours continue year-round.
Spring Fair
Snow lingers at elevation into June. The valleys green up.
Summer Prime
The best season. The scenic drive opens to 10,000 feet, and trails to the bristlecones and Wheeler Peak clear.
Fall Good
Aspens turn gold in late September and the stargazing is superb. The park's astronomy festival is usually held in September.
What to do
- Tour Lehman Caves
- Hike the Bristlecone Pine Trail
- Summit Wheeler Peak (13,063 ft)
- Drive the Wheeler Peak Scenic Drive
- Stargaze at the Astronomy Amphitheater
Great Basin is remote, on 'The Loneliest Road in America' (US-50). Plan meals and fuel carefully.
Good to know
Great Basin protects ancient Great Basin bristlecone pines, some of the oldest known living things on Earth at more than 4,000 years old.
Before you go: Lehman Caves tours are by ticket and often sell out in summer. Check current conditions on nps.gov.
Getting there
Closest major airport: Salt Lake City (SLC), about 4 hours.
Nearby national parks
Approximate driving distance. Check a map for exact routes.
Where to stay
Great Basin month-by-month ratings
Questions about visiting Great Basin
When is the best time to visit Great Basin National Park?
The best time to visit Great Basin National Park is July–September. For great conditions with fewer people, aim for September. It's busiest in June through August.
What is the worst time to visit Great Basin National Park?
November through May are the weakest time, when snow closes roads, trails or services.
When is Great Basin National Park most crowded?
Crowds peak in June through August. September offers the best balance of good conditions and fewer people.
Is Great Basin National Park worth visiting in winter?
Snow closes the upper Wheeler Peak Scenic Drive. Lehman Caves tours continue year-round.
Do you need a reservation for Great Basin National Park?
Lehman Caves tours are by ticket and often sell out in summer. Always check the official NPS page for the current year's rules.
What is the closest airport to Great Basin National Park?
The most convenient airport is Salt Lake City (SLC), about 4 hours.
How many days do you need at Great Basin National Park?
Plan at least one full day, more if you want to hike or explore the backcountry.
More in Southwest · National parks in Nevada · Season calendar
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.