Left Hand Canyon — a canyon in Boulder County, Colorado — is a lesser-known subject for landscape photographers. The nearest town is Boulder, about 11.1 km (6.9 mi) away (Left Hand Canyon lies NNW of town).
Left Hand Canyon is a canyon, near Boulder, Colorado, United States.From the Wikipedia article “Left Hand Canyon”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Left Hand Canyon the sunrise point swings a long way through the year: about 58° (ENE) at the June solstice and 121° (ESE) in late December. Sunset moves from 302° (WNW) in June to 240° (WSW) in December, and the midday sun climbs to 73° in summer but only 26° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:05 AM | 90° E | 7:14 PM | 271° W | 50° | 12h 08m |
| June solstice (Jun 21) | 5:33 AM | 58° ENE | 8:35 PM | 302° WNW | 73° | 15h 02m |
| September equinox (Sep 22) | 6:50 AM | 89° E | 7:00 PM | 271° W | 50° | 12h 11m |
| December solstice (Dec 21) | 7:21 AM | 121° ESE | 4:40 PM | 240° WSW | 26° | 9h 19m |
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
Canyons need light from above: rims glow at sunrise and sunset, while deep or narrow sections are brightest near midday when reflected light bounces off the walls.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 6:52 AM | 7:22 AM | 8:04 AM | 4:19 PM | 5:00 PM | 5:30 PM | 9h 38m |
| February | 6:27 AM | 6:55 AM | 7:33 AM | 5:00 PM | 5:37 PM | 6:05 PM | 10h 42m |
| March | 6:47 AM | 7:14 AM | 7:50 AM | 6:32 PM | 7:08 PM | 7:35 PM | 11h 55m |
| April | 5:56 AM | 6:24 AM | 7:00 AM | 7:03 PM | 7:40 PM | 8:08 PM | 13h 16m |
| May | 5:16 AM | 5:47 AM | 6:25 AM | 7:32 PM | 8:10 PM | 8:41 PM | 14h 24m |
| June | 4:59 AM | 5:32 AM | 6:13 AM | 7:52 PM | 8:33 PM | 9:06 PM | 15h 01m |
| July | 5:13 AM | 5:45 AM | 6:25 AM | 7:50 PM | 8:30 PM | 9:02 PM | 14h 45m |
| August | 5:44 AM | 6:14 AM | 6:51 AM | 7:23 PM | 8:00 PM | 8:29 PM | 13h 46m |
| September | 6:16 AM | 6:43 AM | 7:19 AM | 6:36 PM | 7:12 PM | 7:39 PM | 12h 29m |
| October | 6:45 AM | 7:12 AM | 7:49 AM | 5:46 PM | 6:23 PM | 6:50 PM | 11h 11m |
| November | 6:18 AM | 6:48 AM | 7:28 AM | 4:06 PM | 4:46 PM | 5:15 PM | 9h 58m |
| December | 6:47 AM | 7:17 AM | 8:00 AM | 3:54 PM | 4:37 PM | 5:08 PM | 9h 20m |
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 Left Hand Canyon, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 4.8 hours on a moonless night), and the core peaks around 21° above the southern horizon. Our light-pollution model puts the sky at about Bortle 5 (suburban sky), so expect visible sky glow; drive away from towns for better results.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -3° | — |
| February | 5:08 AM – 5:18 AM | 0.2 | 11° | SE → SE |
| March | 4:18 AM – 5:38 AM | 1.3 | 18° | SE → SSE |
| April | 2:16 AM – 4:36 AM | 2.3 | 21° | SE → S |
| May | 12:20 AM – 3:50 AM | 3.5 | 21° | SE → S |
| June | 10:35 PM – 3:25 AM | 4.8 | 21° | SE → SSW |
| July | 10:27 PM – 1:57 AM | 3.5 | 21° | S → SW |
| August | 9:41 PM – 12:01 AM | 2.3 | 21° | S → SW |
| September | 8:43 PM – 9:53 PM | 1.2 | 18° | SSW → SW |
| October | 7:53 PM – 8:03 PM | 0.2 | 11° | SW → SW |
| November | Below 10° in darkness | — | 0° | — |
| December | Below 10° in darkness | — | -19° | — |
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: 5 Bortle 5 — Suburban sky. The Milky Way is weak near the horizon and washed out overhead; long exposures pick up a sky glow. Modeled zenith brightness ≈ 19.99 mag/arcsec². Aurora needs roughly Kp 7.5+ to show low on the northern horizon here.
Weather & best season
Long-term NASA satellite data for this area show September as the clearest month (about 46% average cloud cover) and May as the cloudiest (67%). 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 (%)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 46 | 48 | 65 | 71 | 83 | 89 | 90 | 88 | 85 | 74 | 62 | 50 |
| Low °F | -26 | -31 | -15 | -3 | 5 | 27 | 36 | 31 | 19 | -4 | -12 | -19 |
| Precip. (in) | 1.3 | 1.7 | 1.8 | 2.5 | 2.6 | 1.8 | 2.0 | 1.7 | 1.7 | 1.7 | 1.4 | 1.4 |
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 canyon
- Dust and sand are hard on gear; change lenses in a bag or with your back to the wind.
- A long lens on a tripod handles the low light inside canyons better than raising ISO.
- From the rim, sunrise and sunset side-light reveals layers; a telephoto picks out buttes and shadows.
- In narrow canyons, reflected light creates orange and purple glows; avoid including bright sky in the frame.
- Check flash flood forecasts before entering slot or narrow canyons — rain miles away can flood them.
- Bring a spare battery — cold weather and long exposures drain them fast.
Season: Spring and autumn are comfortable; summer monsoon storms bring dramatic skies but higher flood risk in the Southwest.
Suggested gear: Tripod, Wide and telephoto lenses, Lens blower, Weather radio or app. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of Left Hand Canyon, closest first.
Campgrounds nearby (Recreation.gov)
- Peaceful Valley17.1 km (10.6 mi) · reservable
- Camp Dick18.1 km (11.3 mi) · reservable
- Olive Ridge21 km (13 mi) · reservable
- Pawnee22 km (14 mi) · reservable
- Meeker Park Overflow Campground24 km (15 mi)
FAQ
When is the best time to photograph Left Hand Canyon?
What time is golden hour at Left Hand Canyon?
Where does the sun rise and set at Left Hand Canyon?
Can you see the Milky Way from Left Hand Canyon?
Do you need a permit to photograph at Left Hand Canyon?
How far is Left Hand Canyon from Boulder?
Sources
Location data: Wikidata, 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.