The Best National Parks for Stargazing: A Guide to Dark Sky Parks

There are fewer than 100 places on Earth certified for the darkness of their night skies, and a remarkable number of them are American national parks. If you have never stood somewhere genuinely dark and watched the Milky Way rise, it is worth planning a trip around. Here is where to go, when to go, and what to bring.

What makes a park a Dark Sky Park?

The certification comes from DarkSky International (known until 2023 as the International Dark-Sky Association). To earn it, a park has to demonstrate genuinely dark skies, retrofit its outdoor lighting to minimize light pollution, and run public education programs about the night sky. It is not a marketing label a park can simply claim.

Parks are certified at tiers, with Gold Tier reserved for the darkest sites. That distinction matters more than it sounds: the difference between a decent night sky and a Gold Tier one is the difference between seeing a few hundred stars and seeing the Milky Way cast a shadow.

The best national parks for stargazing

Great Basin National Park, Nevada

Great Basin is remote enough that it receives a fraction of the visitors most parks do, which is exactly why the skies are so good. It is one of the darkest places remaining in the contiguous United States. The park runs an annual astronomy festival, and on a clear moonless night you can see the Andromeda Galaxy without any optical aid at all.

Bring layers regardless of season. The park sits at high elevation and nighttime temperatures drop sharply after sunset, even in summer.

Shop Great Basin National Park apparel

Big Bend National Park, Texas

Big Bend has the least light pollution of any national park unit in the lower 48. Its position in far West Texas, hours from any significant city, means the darkness is close to absolute. The Chisos Basin is the classic viewing spot, though anywhere in the park away from the developed areas will do.

Desert nights swing cold. A daytime high in the eighties can become a nighttime low in the forties.

Shop Big Bend National Park apparel

Death Valley National Park, California and Nevada

Death Valley is one of the largest Dark Sky Parks in the world, and its sheer size means you can drive well away from any developed area and be entirely alone under the stars. Winter is the ideal season here for the obvious reason that summer daytime temperatures are genuinely dangerous.

Shop Death Valley National Park apparel

Utah's dark sky corridor

Southern Utah has an unusual concentration of certified parks within driving distance of one another. Bryce Canyon sits at high elevation with famously clear, dry air and runs an established astronomy program. Canyonlands offers wide-open desert horizons with almost nothing on them. Arches gives you the rare chance to frame the Milky Way through a stone arch, and Capitol Reef remains the quietest of the group.

If you are planning one trip to see dark skies, this corridor gives you the most certified sky per mile driven of anywhere in the country.

A few more worth knowing

• Joshua Tree is the most accessible option for anyone in Southern California, though its proximity to the Los Angeles and Palm Springs metro areas means some glow on the horizon.
• Grand Canyon pairs its skies with the most dramatic foreground in the park system. The North Rim is darker and far less crowded than the South.
• Petrified Forest is often overlooked entirely, which is part of its appeal.
• Voyageurs in northern Minnesota is the outlier on this list, and the one place here where you have a real chance of catching the aurora.
• Glacier shares its dark sky designation with Waterton Lakes across the Canadian border, making it a rare transboundary site.

When to go

The single most important variable is the moon, not the season. Plan your trip for the week around the new moon. A full moon will wash out the Milky Way completely no matter how dark the park is certified to be.

For the Milky Way core specifically, the band of dense starlight most people picture when they imagine a dark sky, aim for roughly April through October in the northern hemisphere. It sits below the horizon for much of the winter.

Beyond that, check the forecast for cloud cover and give your eyes time. Full dark adaptation takes about 20 to 30 minutes, and a single glance at a phone screen resets it. If you need light, use a red headlamp.

What to wear

This is the part most people underestimate. Stargazing means standing still, outdoors, for hours, at the coldest point of the day. It feels dramatically colder than hiking in the same conditions because you are not generating any heat.

• Layer more than feels necessary. Desert parks in particular can drop 30 or 40 degrees after sunset.
• Bring a warm mid layer. A hoodie or fleece pullover is the single most useful thing you can pack for a night out under the stars.
• Cover your head. A beanie makes more difference than its weight suggests.
• Bring something hot to drink. An insulated tumbler of coffee or tea will keep you outside considerably longer than you would otherwise last.
• Sit down. A camp chair or blanket beats craning your neck upward for two hours.

A note on why this matters

Roughly 80 percent of Americans can no longer see the Milky Way from where they live. Dark sky certification is one of the few conservation efforts where the thing being protected is an absence rather than a presence, and where a single poorly aimed light fixture can undo a great deal of work.

In 2025, Parks Apparel contributed 1% of our revenue to the National Park Foundation, the official nonprofit partner of the National Park Service.

---

Photography courtesy of the National Park Service. Certification details are current as of publication; check DarkSky International and the individual park's National Park Service page for the latest programs, event schedules, and seasonal road closures before planning your trip.