Best Milky Way Locations in Colorado
Colorado has some of the best dark sky sites in the lower 48. Between the high desert on the Western Slope and the alpine terrain along the Front Range, you've got Bortle 2-3 skies within a few hours of Denver, and Bortle 1-2 skies if you're willing to drive a bit further.
I've spent a lot of time shooting in Colorado, and what keeps pulling me back is the combination of dark skies and dramatically different foregrounds. Alpine lakes, sand dunes, black canyon walls, prairie grasslands — you can get all of that under legitimately dark sky. That range is hard to find elsewhere in the lower 48.
The Milky Way core is visible in Colorado from roughly late March through early October. Peak season runs May through August, when the core arcs high enough to clear most of the mountain horizons. Your best windows are the 5-7 days around each new moon during those months. You can check exact galactic core rise times and visibility ratings for any of these locations on milkywayplanner.com.
Here are 10 locations I'd recommend, starting with the darkest.
1. Westcliffe and Silver Cliff
- Dark sky: Bortle 2 | IDA-certified Dark Sky Community
- Elevation: 7,888 ft
- Best months: April through September
- Nearest town: Westcliffe (you're already there)
- Accessibility: Paved roads, easy access year-round
Westcliffe was the first International Dark Sky Community in Colorado, and it earned that designation honestly. The Sangre de Cristo range provides a stunning western foreground, and the town itself has strict lighting ordinances that keep the skies genuinely dark.
For anyone who doesn't want to hike miles into the backcountry to find dark sky, this is a hard location to beat. Bortle 2 and paved road access don't usually come together. You can shoot from roadside pulloffs along Highway 69 with the Sangre de Cristos as your backdrop. The Milky Way core rises to the southeast and arcs over the peaks through the summer months.
Shoot notes: South-facing compositions work well here, with the Sangre de Cristos providing foreground interest. The town's low light pollution means you can shoot in almost any direction. Wind can be an issue in the valley, especially spring evenings.
Plan your shoot at Westcliffe →
2. Great Sand Dunes National Park
- Dark sky: Bortle 3 | IDA Gold-Tier Dark Sky Park
- Elevation: 8,175 ft (visitor center) to 8,691 ft (Star Dune summit)
- Best months: April through September (avoid monsoon season July-August)
- Nearest town: Alamosa (35 miles)
- Accessibility: Paved road to main parking area; sandy trails to dunes
Great Sand Dunes is one of those locations that looks almost unreal in photos. The tallest sand dunes in North America sit against the backdrop of the Sangre de Cristo range, and at night the whole scene goes dark. IDA Gold-Tier certification means the park actively manages its lighting.
The dunes themselves make incredible foreground. The ripple patterns in the sand pick up starlight in ways that add texture and depth to wide-angle shots. The main challenge is the sand. It gets everywhere, and wind can kick up in the evening. Bring lens cloths and be careful with gear changes.
Shoot notes: The Milky Way core rises over the dunes when shooting from the west side of the dunefield. Medano Creek (seasonal, typically May-June) adds a reflective foreground if the timing works. The park stays open 24 hours, but the road to the primitive campsites closes at sunset.
Plan your shoot at Great Sand Dunes →
3. Black Canyon of the Gunnison National Park
- Dark sky: Bortle 3 | IDA Gold-Tier Dark Sky Park
- Elevation: 8,000 ft (South Rim)
- Best months: May through September (South Rim road opens mid-April)
- Nearest town: Montrose (15 miles)
- Accessibility: Paved road to South Rim overlooks; North Rim is gravel and more remote
Black Canyon doesn't get the same astrophotography attention as some of the other Colorado parks, which surprises me every time I look at it. The 2,000-foot vertical walls create foreground that doesn't exist anywhere else in the state. On clear nights, the Milky Way stretches across the narrow gap above the canyon, and looking down into that void while the core tracks overhead is genuinely disorienting in a good way.
The South Rim has easy access to multiple overlooks along the rim drive. Each one gives you a slightly different angle on the canyon and the sky above it. The North Rim is less developed and darker, but requires a longer drive on gravel roads.
Shoot notes: Chasm View and Painted Wall View are strong compositions. The canyon's east-west orientation means the Milky Way core arcs directly over the gap during peak season. Be careful near the rim at night, as there are few guardrails. Bring a headlamp with a red filter.
Plan your shoot at Black Canyon of the Gunnison →
4. Dinosaur National Monument
- Dark sky: Bortle 2-3
- Elevation: 5,800-7,800 ft
- Best months: April through October
- Nearest town: Dinosaur, CO (2 miles from monument entrance)
- Accessibility: Paved roads to main areas; some backcountry roads require high clearance
Dinosaur National Monument sits in the far northwest corner of Colorado, right on the Utah border, and that remoteness is exactly what makes it great for Milky Way photography. There's almost nothing around it generating light pollution. The landscape mixes canyon walls, river corridors, and high desert terrain.
The Quarry area (Utah side) and the Canyon area (Colorado side) both offer excellent dark sky. The Harper's Corner scenic drive on the Colorado side takes you along the rim of deep canyons with wide-open views in every direction.
Shoot notes: Harper's Corner trail (2 miles round trip) ends at a narrow peninsula between two canyons, which makes for a dramatic composition. The Yampa River corridor provides reflective foreground opportunities. Few other photographers come here at night, so you'll likely have any location to yourself.
Plan your shoot at Dinosaur National Monument →
5. Mesa Verde National Park
- Dark sky: Bortle 3
- Elevation: 7,000-8,572 ft
- Best months: May through September (full park access)
- Nearest town: Cortez (10 miles)
- Accessibility: Paved road throughout the park; cliff dwellings require ranger-led tours (daytime only)
Mesa Verde combines archaeology and astrophotography in a way that few other locations can match. The ancient cliff dwellings and stone towers make unforgettable foreground subjects under the Milky Way. The park's mesa-top location means you have open horizons and minimal obstruction.
The park closes its main road at night during certain seasons, so check current hours before planning a session. Some of the best compositions are available from roadside pulloffs along the mesa-top drive.
Shoot notes: Far View sites and the Geologic Overlook offer strong compositions with distant mesas. If you can get a shot with one of the towers (like Square Tower House from the overlook), the ancient stone against the Milky Way tells a story that goes back centuries. Light from Cortez is visible to the north but doesn't significantly impact south-facing shots.
Plan your shoot at Mesa Verde →
6. Curecanti National Recreation Area
- Dark sky: Bortle 3
- Elevation: 7,519 ft (Blue Mesa Reservoir)
- Best months: May through September
- Nearest town: Gunnison (9 miles)
- Accessibility: Paved roads throughout; boat ramps and shoreline areas
Curecanti is often overlooked in favor of nearby Black Canyon, but Blue Mesa Reservoir is Colorado's largest body of water and it reflects the Milky Way beautifully. The reservoir sits in a wide valley surrounded by mesas and volcanic formations, and the sky overhead is legitimately dark.
The Dillon Pinnacles area is the standout composition. These volcanic spires rise above the reservoir and create a foreground that's unlike anything else in the state.
Shoot notes: The Dillon Pinnacles trail (4 miles round trip) gets you to the base of the formations. For reflections, the shoreline along Highway 50 offers multiple access points. Water levels vary seasonally, so check current conditions. Wind on the reservoir can create ripples that soften reflections.
Plan your shoot at Curecanti →
7. Ridgway State Park
- Dark sky: Bortle 2-3
- Elevation: 6,879 ft
- Best months: May through September
- Nearest town: Ridgway (4 miles)
- Accessibility: Paved roads; campground and day-use areas
Ridgway sits in a valley below the San Juan Mountains, and on clear nights the Milky Way rises over some of the most dramatic peaks in Colorado. Mount Sneffels and the Sneffels Range provide alpine foreground that photographs well at any focal length.
The reservoir in the park adds reflection opportunities, and the campground is well-positioned for overnight shoots. The area around Ridgway and Ouray has some of the darkest skies on the Western Slope.
Shoot notes: South-facing shots capture the Milky Way core with the San Juans as foreground. The Dallas Divide area (15 minutes north on Highway 62) is another strong location with the iconic view of Mount Sneffels. Fall adds aspen color to foregrounds if you're shooting early or late season.
8. Penitente Canyon
- Dark sky: Bortle 3
- Elevation: 7,800 ft
- Best months: April through October
- Nearest town: Del Norte (16 miles)
- Accessibility: Gravel road (passable for most vehicles); BLM land with free camping
Penitente Canyon is a rock climbing destination in the San Luis Valley, and the canyon walls create natural frames for the night sky. The BLM land around it is open for camping, so you can set up right next to your shooting location and work through the night without driving anywhere.
The San Luis Valley is one of the flattest, most open landscapes in Colorado, and the surrounding mountains keep development at bay. Light pollution is minimal.
Shoot notes: The canyon itself is narrow enough that you can frame the Milky Way between the walls. The wider BLM land around the canyon offers open-sky shooting with distant mountain horizons. Free dispersed camping makes multi-night sessions easy to plan. No services nearby, so bring water and food.
Plan your shoot at Penitente Canyon →
9. Gunnison Gorge Wilderness
- Dark sky: Bortle 3
- Elevation: 5,600-7,800 ft
- Best months: May through September
- Nearest town: Delta (25 miles)
- Accessibility: 4WD recommended for access roads; requires hiking into the gorge
Gunnison Gorge is the less-visited continuation of Black Canyon to the west, and its wilderness designation means no development, no lights, and no other people. The dark sky here is excellent, and the river corridor offers reflective foreground with canyon walls on both sides.
Getting here takes effort. The access roads are rough and the trails into the gorge are steep. But you'll have the place to yourself and the dark sky that comes with a wilderness designation.
Shoot notes: The Chukar Trail and Duncan Trail are the main access points. River permits may be required depending on the season. The gorge runs roughly east-west, so the Milky Way core tracks across the opening above the canyon walls. Plan for an overnight trip to make the hike worthwhile.
Plan your shoot at Gunnison Gorge →
10. Pawnee National Grassland
- Dark sky: Bortle 4
- Elevation: 5,400 ft
- Best months: April through September
- Nearest town: Grover (10 miles)
- Accessibility: Gravel roads, easy access; Pawnee Buttes trail is 3 miles round trip
Pawnee is the closest legitimately dark location to the Front Range metro area, roughly 90 minutes northeast of Fort Collins. The Pawnee Buttes are iconic sandstone formations rising from the prairie, and they make for a classic Milky Way foreground.
At Bortle 4, the skies here aren't as dark as the mountain locations on this list, but they're dark enough for excellent core shots, and the flat horizon means the Milky Way is visible from rise to set without obstruction.
Shoot notes: The buttes face south, which lines up well with the Milky Way core during peak season. Rattlesnakes are active in warm months, especially at dawn and dusk, so watch your step. The grassland is open and flat, so wind is constant. Spring and early summer can bring thunderstorms that roll in fast.
Plan your shoot at Pawnee Buttes →
Plan Your Colorado Milky Way Trip
Colorado's Milky Way season runs roughly April through September, with the best conditions during the new moon windows each month. The high elevation helps: thinner atmosphere means less atmospheric distortion and better contrast.
If I were planning a first dedicated trip, I'd look at Westcliffe or Great Sand Dunes — both are accessible and legitimately dark. Black Canyon if you want something more dramatic and don't mind shorter windows due to the canyon walls. Dinosaur or Gunnison Gorge if you want the darkest skies and don't mind the drive and the hike.