Mount Saint Helena — a mountain peak in Sonoma County, California at about 1,319 m (4,327 ft) above sea level — is a lesser-known subject for landscape photographers. It sits roughly 9.4 km (5.8 mi) S of Middletown.
Mount Saint Helena (Wappo: Kanamota, "Human Mountain") is a peak in the Mayacamas Mountains with flanks in Napa, Sonoma, and Lake counties of California. Composed of uplifted volcanic rocks from the Clear Lake Volcanic Field, it is one of the few mountains in the San Francisco Bay Area to receive any snowfall during the winter. The mountain has five peaks, arranged in a rough "M" shape. Its highest point, North Peak, is in Sonoma County. The second-tallest, immediately east of the main summit, is the highest point in Napa County. The headwaters of the Napa River arise on the southeast slope of Mount Saint Helena.From the Wikipedia article “Mount Saint Helena”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Mount Saint Helena the sunrise point swings a long way through the year: about 59° (ENE) at the June solstice and 120° (ESE) in late December. Sunset moves from 302° (WNW) in June to 240° (WSW) in December, and the midday sun climbs to 75° in summer but only 28° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:15 AM | 90° E | 7:23 PM | 271° W | 51° | 12h 08m |
| June solstice (Jun 21) | 5:47 AM | 59° ENE | 8:39 PM | 302° WNW | 75° | 14h 52m |
| September equinox (Sep 22) | 6:59 AM | 89° E | 7:09 PM | 271° W | 52° | 12h 10m |
| December solstice (Dec 21) | 7:26 AM | 120° ESE | 4:53 PM | 240° WSW | 28° | 9h 27m |
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
Summits catch first and last light — alpenglow can turn rock pink or orange minutes before sunrise and after sunset while valleys stay in shadow.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 6:59 AM | 7:28 AM | 8:08 AM | 4:33 PM | 5:13 PM | 5:43 PM | 9h 46m |
| February | 6:35 AM | 7:02 AM | 7:39 AM | 5:12 PM | 5:49 PM | 6:16 PM | 10h 46m |
| March | 6:56 AM | 7:23 AM | 7:58 AM | 6:43 PM | 7:18 PM | 7:44 PM | 11h 55m |
| April | 6:07 AM | 6:35 AM | 7:10 AM | 7:12 PM | 7:47 PM | 8:15 PM | 13h 13m |
| May | 5:30 AM | 5:59 AM | 6:37 AM | 7:38 PM | 8:16 PM | 8:46 PM | 14h 17m |
| June | 5:14 AM | 5:46 AM | 6:26 AM | 7:58 PM | 8:38 PM | 9:09 PM | 14h 51m |
| July | 5:28 AM | 5:59 AM | 6:38 AM | 7:57 PM | 8:35 PM | 9:06 PM | 14h 37m |
| August | 5:57 AM | 6:25 AM | 7:02 AM | 7:30 PM | 8:06 PM | 8:35 PM | 13h 41m |
| September | 6:26 AM | 6:53 AM | 7:28 AM | 6:45 PM | 7:20 PM | 7:47 PM | 12h 28m |
| October | 6:54 AM | 7:20 AM | 7:56 AM | 5:58 PM | 6:34 PM | 7:00 PM | 11h 13m |
| November | 6:25 AM | 6:54 AM | 7:33 AM | 4:19 PM | 4:58 PM | 5:27 PM | 10h 05m |
| December | 6:52 AM | 7:22 AM | 8:04 AM | 4:09 PM | 4:51 PM | 5:21 PM | 9h 29m |
Local time (America/Los Angeles), 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 Mount Saint Helena, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 5.2 hours on a moonless night), and the core peaks around 22° above the southern horizon. Our light-pollution model puts the sky at about Bortle 4 (rural / suburban transition), good enough for detailed Milky Way images.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -2° | — |
| February | 5:18 AM – 5:28 AM | 0.2 | 12° | SE → SE |
| March | 4:27 AM – 5:47 AM | 1.3 | 19° | SE → SSE |
| April | 2:23 AM – 4:53 AM | 2.5 | 22° | SE → S |
| May | 12:24 AM – 4:04 AM | 3.7 | 22° | SE → S |
| June | 10:36 PM – 3:46 AM | 5.2 | 22° | SE → SSW |
| July | 10:29 PM – 2:19 AM | 3.8 | 22° | SSE → SW |
| August | 9:46 PM – 12:16 AM | 2.5 | 22° | S → SW |
| September | 8:51 PM – 10:11 PM | 1.3 | 19° | SSW → SW |
| October | 8:02 PM – 8:22 PM | 0.3 | 12° | 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: 4 Bortle 4 — Rural / suburban transition. Light domes are visible in several directions; the Milky Way is clear but lacks detail near the horizon. Modeled zenith brightness ≈ 20.76 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show July as the clearest month (about 19% average cloud cover) and December as the cloudiest (57%). July is the warmest month and January 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 | 73 | 75 | 76 | 87 | 100 | 106 | 109 | 107 | 112 | 103 | 87 | 71 |
| Low °F | 25 | 27 | 28 | 30 | 35 | 42 | 48 | 48 | 45 | 37 | 27 | 24 |
| Precip. (in) | 4.7 | 5.1 | 3.7 | 1.9 | 0.8 | 0.2 | 0.0 | 0.0 | 0.1 | 1.3 | 2.9 | 6.2 |
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 peak
- Alpenglow lasts only a few minutes; set up and focus beforehand.
- Clouds around the summit add drama — a clear blue sky is often the least interesting condition.
- Photograph the peak from a lake, meadow or ridge at sunrise when the face that looks east lights up first.
- Long lenses compress ridgelines; shoot the peak from several miles away to make it look massive.
- Tell someone where you're going in remote areas and carry the ten essentials.
Season: Early summer keeps snow on the peaks with green valleys below; autumn adds aspen or larch color in many ranges.
Suggested gear: Telephoto lens, Lightweight tripod, Warm layers, Microspikes in shoulder seasons. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of Mount Saint Helena, closest first.
Natural Arch
State Park
Hot Spring
State Park
State Park
Mountain Peak
Waterfall
Mountain PeakFAQ
When is the best time to photograph Mount Saint Helena?
What time is golden hour at Mount Saint Helena?
Where does the sun rise and set at Mount Saint Helena?
Can you see the Milky Way from Mount Saint Helena?
Do you need a permit to photograph at Mount Saint Helena?
How far is Mount Saint Helena from Middletown?
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.