Skalkaho Falls, Bitterroot National Forest, in west central Montana
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46.2457° N113.7730° W2,212 mBortle 1Denver

Skalkaho Pass Photography Guide

Mountain Pass in Ravalli County, Montana · 2,212 m (7,257 ft)

  • Bortle 1 sky
  • Sunset azimuth 236°–306°
  • Clearest: July
  • Milky Way Apr–Aug
Photo: This image is a work of a United States Department of Agriculture employee · Public domain · source

Skalkaho Pass — a mountain pass in Ravalli County, Montana at about 2,212 m (7,257 ft) above sea level — is a classic subject for landscape photographers. It sits roughly 30 km (19 mi) E of Hamilton.

The Skalkaho Pass (Salish: Sq̓x̣q̓x̣ó, "many trails" ), 7,258 feet (2,212 m) above sea level, is a pass in the Sapphire Mountains in southwest Montana traversed by Montana Highway 38. The road over the pass connects the towns of Hamilton in the Bitterroot Valley and Philipsburg in Flint Creek Valley and remains the only direct route between these two important agricultural areas. Originally an Indian route, Highway 38 was built in 1924 to link mountainous mining areas with the agricultural settlements in the valleys. The route is closed during winter due to heavy snowfall. Skalkaho Falls (46°15′28″N 113°49′36″W) is near the top of the pass.From the Wikipedia article “Skalkaho Pass”, licensed under CC BY-SA 4.0.
Elevation
2,212 m
7,257 ft
Nearest town
Hamilton
30 km (19 mi)
Sky darkness
Bortle 1
Excellent dark-sky site
Clearest month
July
36% cloud
Milky Way peak
June
2.7 h window
Golden hour (Oct)
6:09 PM
sunset 6:50 PM

Light at Skalkaho Pass

Live
Sunrise
8:00 AM
Sunset
6:41 PM
Golden hour AM
7:41 AM – 8:41 AM
Golden hour PM
6:00 PM – 7:00 PM
Blue hour AM
7:29 AM – 7:41 AM
Blue hour PM
7:00 PM – 7:12 PM
Full darkness
8:21 PM – 6:21 AM
Moon
Waxing Gibbous · 71%
Moonrise / set
4:17 PM / 1:41 AM
Day length
10h 42m
Sunrise azimuth
104°
Sunset azimuth
256°
000306091215182124
NightTwilightBlue hourGolden hourDaylight

Times in America/Denver. Golden hour = sun −4° to +6°; blue hour = −6° to −4°.

Clouds at sunrise & sunset

NWS

Hourly sky cover from the National Weather Service. 20–60% cloud often gives the most colorful sunrises and sunsets.

Sunrise & sunset directions

At Skalkaho Pass the sunrise point swings a long way through the year: about 54° (NE) at the June solstice and 124° (SE) in late December. Sunset moves from 306° (NW) in June to 236° (SW) in December, and the midday sun climbs to 67° in summer but only 20° in winter.

NESW60°30°
June solsticeEquinoxesDecember solstice
DateSunriseAzimuthSunsetAzimuthNoon sunDaylight
March equinox (Mar 20)7:39 AM89° E7:48 PM271° W44°12h 09m
June solstice (Jun 21)5:44 AM54° NE9:31 PM306° NW67°15h 47m
September equinox (Sep 22)7:23 AM89° E7:35 PM271° W44°12h 12m
December solstice (Dec 21)8:16 AM124° SE4:52 PM236° SW20°8h 36m

Azimuth is measured clockwise from true north (90° = east, 270° = west). Computed for 2026; values change by less than a degree from year to year.

Golden hour & blue hour by month

Mountain passes sit above valleys, so they reward sunrise and sunset with layered ridges, valley fog and long shadows.

Month (15th)Blue hour startsSunriseGolden hour endsGolden hour startsSunsetBlue hour endsDaylight
January7:41 AM8:15 AM9:03 AM4:28 PM5:16 PM5:49 PM9h 01m
February7:08 AM7:39 AM8:22 AM5:19 PM6:01 PM6:32 PM10h 22m
March7:19 AM7:49 AM8:28 AM7:01 PM7:41 PM8:11 PM11h 52m
April6:18 AM6:49 AM7:29 AM7:42 PM8:22 PM8:54 PM13h 33m
May5:28 AM6:03 AM6:47 AM8:18 PM9:02 PM9:37 PM14h 59m
June5:05 AM5:43 AM6:30 AM8:43 PM9:29 PM10:08 PM15h 46m
July5:22 AM5:59 AM6:44 AM8:39 PM9:25 PM10:02 PM15h 26m
August6:02 AM6:35 AM7:16 AM8:05 PM8:46 PM9:19 PM14h 11m
September6:44 AM7:14 AM7:54 AM7:09 PM7:48 PM8:19 PM12h 35m
October7:23 AM7:53 AM8:34 AM6:09 PM6:50 PM7:20 PM10h 57m
November7:05 AM7:37 AM8:23 AM4:18 PM5:04 PM5:37 PM9h 27m
December7:37 AM8:12 AM9:03 AM4:00 PM4:50 PM5:25 PM8h 38m

Local time (America/Denver), including daylight saving time. Golden hour runs from about −4° to +6° solar altitude, so the morning golden hour begins during blue hour, before sunrise.

Milky Way & night sky

From Skalkaho Pass, the Milky Way core is visible in a dark sky from April through August. June gives the longest window (about 2.7 hours on a moonless night), and the core peaks around 15° above the southern horizon. Our light-pollution model puts the sky at about Bortle 1 (excellent dark-sky site), which is excellent for astrophotography.

MonthCore visible (15th)HoursMax altitudeDirection
JanuaryBelow 10° in darkness—-5°—
FebruaryBelow 10° in darkness—6°—
March5:51 AM – 6:01 AM0.211°SSE → SSE
April3:53 AM – 4:53 AM1.014°SSE → S
May1:47 AM – 3:37 AM1.815°SSE → S
June12:14 AM – 2:54 AM2.715°SSE → SSW
July11:54 PM – 1:44 AM1.815°S → SSW
August10:45 PM – 11:35 PM0.814°SSW → SSW
September9:32 PM – 9:42 PM0.211°SSW → SSW
OctoberBelow 10° in darkness—6°—
NovemberBelow 10° in darkness—-4°—
DecemberBelow 10° in darkness—-20°—

Window when the galactic core is at least 10° high during astronomical darkness on the 15th of each month. Pick nights within a few days of the new moon. Plan exact nights with the Milky Way planner.

Estimated sky darkness: 1 Bortle 1 — Excellent dark-sky site. The Milky Way casts faint shadows; zodiacal light and airglow are obvious. Modeled zenith brightness ≈ 21.91 mag/arcsec². Aurora needs roughly Kp 5.0+ to show low on the northern horizon here.

Weather & best season

Long-term NASA satellite data for this area show July as the clearest month (about 36% average cloud cover) and December as the cloudiest (75%). July is the warmest month and December the coldest, which matters for gear, snow access and how long batteries last at night.

Average cloud cover (%)

JanFebMarAprMayJunJulAugSepOctNovDec
JanFebMarAprMayJunJulAugSepOctNovDec
High °F4950697484941039990836544
Low °F-27-36-252725333120-9-14-33
Precip. (in)2.02.32.32.53.03.41.21.41.71.92.22.3

Monthly climatology for the surrounding 1° grid cell from NASA POWER (MERRA-2). Mountain sites can be colder and cloudier than the cell average.

Photography tips for this mountain pass

  • Check road status before driving: many high passes close seasonally or after storms.
  • Look for the road itself as a leading line — switchbacks from above make strong compositions.
  • Weather changes fast at elevation; carry layers even in summer.
  • Summit pull-outs often face one direction; use the sun azimuth table to see whether sunrise or sunset suits the view.
  • Wildflowers bloom late at pass elevations — often July to early August in the Rockies and Sierra.
  • Scout in daylight if you plan to shoot at night or before sunrise.

Season: Summer and early autumn are the main season; winter visits depend on plowing and avalanche conditions.

Suggested gear: Telephoto lens, Tripod, Warm layers, Road-condition app. Work out exposures with the depth of field, ND filter and NPF rule calculators.

Nearby photo spots

Other locations within 25 km of Skalkaho Pass, closest first.

Campgrounds nearby (Recreation.gov)

FAQ

When is the best time to photograph Skalkaho Pass?
July has the clearest skies on average; june is best for the milky way core. For light, plan around the first and last hour of sun. Summer and early autumn are the main season; winter visits depend on plowing and avalanche conditions.
What time is golden hour at Skalkaho Pass?
In October the evening golden hour starts around 6:09 PM and ends after sunset at about 6:50 PM; the morning golden hour lasts until about 8:34 AM. Use the live widget above for exact times on any date.
Where does the sun rise and set at Skalkaho Pass?
Sunrise azimuth ranges from about 54° in June to 124° in December; sunset ranges from 306° to 236°. See the sun-path diagram for the full arc.
Can you see the Milky Way from Skalkaho Pass?
Yes — the core is visible from April to August on moonless nights. The estimated sky quality is Bortle 1 (excellent dark-sky site).
Do you need a permit to photograph at Skalkaho Pass?
Personal photography from public land rarely needs a permit. Commercial shoots, models, large groups and drones may require permission from the land manager — check before you go.
How far is Skalkaho Pass from Hamilton?
About 30 km (19 mi) in a straight line; driving distance is usually longer, especially in mountain terrain.

Sources

Location data: Wikidata, USGS GNIS / GeoNames, Wikipedia. Sun, moon and Milky Way times are computed by LWPhoto Atlas for 2026. Climate: NASA POWER. Sky darkness is a population-based estimate (Walker's law), not a measurement. See data sources & licenses.