Armstrong Mountain — a mountain peak in Essex County, New York at about 1,320 m (4,331 ft) above sea level — is a classic subject for landscape photographers. It sits roughly 14.7 km (9.1 mi) SE of North Elba.
Armstrong Mountain is a mountain in the Great Range of the Adirondack Mountains, in the U.S. state of New York. It is the 22nd-highest of the Adirondack High Peaks, with an elevation of 4,400 feet (1,300 m). It is located in the town of Keene in Essex County. The mountain is named for Thomas Armstrong, a lumberman from Plattsburgh.From the Wikipedia article “Armstrong Mountain (Keene Valley, New York)”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Armstrong Mountain the sunrise point swings a long way through the year: about 56° (NE) at the June solstice and 123° (ESE) in late December. Sunset moves from 305° (NW) in June to 237° (WSW) in December, and the midday sun climbs to 69° in summer but only 22° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:00 AM | 90° E | 7:08 PM | 271° W | 46° | 12h 08m |
| June solstice (Jun 21) | 5:13 AM | 56° NE | 8:43 PM | 305° NW | 69° | 15h 30m |
| September equinox (Sep 22) | 6:43 AM | 89° E | 6:55 PM | 271° W | 46° | 12h 12m |
| December solstice (Dec 21) | 7:28 AM | 123° ESE | 4:20 PM | 237° WSW | 22° | 8h 52m |
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 | 6:56 AM | 7:28 AM | 8:14 AM | 3:57 PM | 4:43 PM | 5:15 PM | 9h 15m |
| February | 6:26 AM | 6:56 AM | 7:37 AM | 4:44 PM | 5:25 PM | 5:55 PM | 10h 29m |
| March | 6:40 AM | 7:09 AM | 7:47 AM | 6:23 PM | 7:02 PM | 7:30 PM | 11h 53m |
| April | 5:43 AM | 6:13 AM | 6:52 AM | 7:00 PM | 7:39 PM | 8:09 PM | 13h 27m |
| May | 4:56 AM | 5:30 AM | 6:12 AM | 7:34 PM | 8:15 PM | 8:49 PM | 14h 45m |
| June | 4:36 AM | 5:12 AM | 5:57 AM | 7:57 PM | 8:41 PM | 9:18 PM | 15h 29m |
| July | 4:51 AM | 5:27 AM | 6:10 AM | 7:54 PM | 8:37 PM | 9:12 PM | 15h 11m |
| August | 5:28 AM | 6:00 AM | 6:40 AM | 7:22 PM | 8:02 PM | 8:33 PM | 14h 02m |
| September | 6:06 AM | 6:35 AM | 7:13 AM | 6:30 PM | 7:08 PM | 7:37 PM | 12h 33m |
| October | 6:41 AM | 7:11 AM | 7:50 AM | 5:34 PM | 6:13 PM | 6:42 PM | 11h 03m |
| November | 6:20 AM | 6:51 AM | 7:35 AM | 3:47 PM | 4:30 PM | 5:02 PM | 9h 39m |
| December | 6:51 AM | 7:24 AM | 8:12 AM | 3:31 PM | 4:18 PM | 4:51 PM | 8h 54m |
Local time (America/New York), 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 Armstrong Mountain, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 3.5 hours on a moonless night), and the core peaks around 17° above the southern horizon. Our light-pollution model puts the sky at about Bortle 2 (typical truly dark site), which is excellent for astrophotography.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -3° | — |
| February | Below 10° in darkness | — | 8° | — |
| March | 4:48 AM – 5:28 AM | 0.7 | 13° | SSE → SSE |
| April | 2:45 AM – 4:15 AM | 1.5 | 16° | SSE → S |
| May | 12:51 AM – 3:21 AM | 2.5 | 17° | SSE → S |
| June | 11:08 PM – 2:38 AM | 3.5 | 17° | SSE → SSW |
| July | 10:53 PM – 1:23 AM | 2.5 | 17° | S → SSW |
| August | 9:54 PM – 11:24 PM | 1.5 | 16° | S → SSW |
| September | 8:47 PM – 9:17 PM | 0.5 | 13° | SSW → SSW |
| October | Below 10° in darkness | — | 8° | — |
| November | Below 10° in darkness | — | -2° | — |
| December | Below 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: 2 Bortle 2 — Typical truly dark site. The summer Milky Way shows rich structure; clouds look like black holes in the stars. Modeled zenith brightness ≈ 21.72 mag/arcsec². Aurora needs roughly Kp 4.5+ 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 56% average cloud cover) and December as the cloudiest (80%). 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 | 55 | 63 | 74 | 79 | 86 | 88 | 90 | 88 | 91 | 79 | 70 | 60 |
| Low °F | -29 | -27 | -18 | 8 | 27 | 36 | 43 | 45 | 32 | 23 | -7 | -21 |
| Precip. (in) | 2.2 | 2.3 | 2.5 | 3.5 | 3.8 | 5.0 | 4.1 | 3.8 | 3.5 | 4.3 | 2.9 | 3.0 |
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
- 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.
- Afternoon thunderstorms are common in summer at high elevations — plan summit hikes for early morning.
- Snow on the summit holds detail best when you expose for the highlights and lift shadows later.
- Shoot RAW to keep the most latitude for high-contrast sunrise and sunset scenes.
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 Armstrong Mountain, closest first.
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Mountain PeakFAQ
When is the best time to photograph Armstrong Mountain?
What time is golden hour at Armstrong Mountain?
Where does the sun rise and set at Armstrong Mountain?
Can you see the Milky Way from Armstrong Mountain?
Do you need a permit to photograph at Armstrong Mountain?
How far is Armstrong Mountain from North Elba?
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.