Mount Guyot — a mountain peak in Grafton County, New Hampshire at about 1,396 m (4,580 ft) above sea level — is a rewarding subject for landscape photographers. The nearest town is Deerfield, about 9.6 km (6.0 mi) away (Mount Guyot lies SE of town).
Mount Guyot is a mountain located in Grafton County, New Hampshire. The mountain is named after Professor Arnold H. Guyot (1807–1884) of Princeton University, and is part of the Twin Range of the White Mountains. Mount Guyot is flanked to the northwest by South Twin Mountain, to the northeast by Mount Zealand, and to the south by Mount Bond. Guyot is on the northern boundary of the Pemigewasset Wilderness. The immediate area around the summit consists of high-altitude spruce-fir forest or krummholz. The north face of Mount Guyot drains into the Little River, thence into the Ammonoosuc and Connecticut rivers, and into Long Island Sound in Connecticut. The southeast face of Guyot drains into Jumping Brook, thence into the North Fork of the East Branch of the Pemigewasset River, thence into the Pemigewasset and Merrimack rivers, and into the Gulf of Maine in Massachusetts. The southwest...From the Wikipedia article “Mount Guyot (New Hampshire)”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Mount Guyot 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) | 6:50 AM | 90° E | 6:59 PM | 271° W | 46° | 12h 08m |
| June solstice (Jun 21) | 5:03 AM | 56° NE | 8:34 PM | 305° NW | 69° | 15h 31m |
| September equinox (Sep 22) | 6:34 AM | 89° E | 6:46 PM | 271° W | 46° | 12h 12m |
| December solstice (Dec 21) | 7:19 AM | 123° ESE | 4:11 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 | 6:47 AM | 7:19 AM | 8:04 AM | 3:48 PM | 4:33 PM | 5:06 PM | 9h 14m |
| February | 6:17 AM | 6:47 AM | 7:27 AM | 4:35 PM | 5:16 PM | 5:45 PM | 10h 29m |
| March | 6:31 AM | 7:00 AM | 7:38 AM | 6:14 PM | 6:52 PM | 7:21 PM | 11h 53m |
| April | 5:33 AM | 6:03 AM | 6:42 AM | 6:51 PM | 7:30 PM | 8:00 PM | 13h 27m |
| May | 4:47 AM | 5:21 AM | 6:02 AM | 7:24 PM | 8:06 PM | 8:40 PM | 14h 46m |
| June | 4:26 AM | 5:03 AM | 5:47 AM | 7:48 PM | 8:32 PM | 9:08 PM | 15h 29m |
| July | 4:42 AM | 5:17 AM | 6:00 AM | 7:45 PM | 8:28 PM | 9:03 PM | 15h 11m |
| August | 5:19 AM | 5:50 AM | 6:30 AM | 7:13 PM | 7:53 PM | 8:24 PM | 14h 02m |
| September | 5:57 AM | 6:26 AM | 7:04 AM | 6:21 PM | 6:59 PM | 7:28 PM | 12h 33m |
| October | 6:32 AM | 7:01 AM | 7:41 AM | 5:24 PM | 6:04 PM | 6:33 PM | 11h 02m |
| November | 6:11 AM | 6:42 AM | 7:26 AM | 3:37 PM | 4:21 PM | 4:52 PM | 9h 39m |
| December | 6:42 AM | 7:15 AM | 8:03 AM | 3:21 PM | 4:09 PM | 4:42 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 Mount Guyot, 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 3 (rural sky), good enough for detailed Milky Way images.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -3° | — |
| February | Below 10° in darkness | — | 8° | — |
| March | 4:39 AM – 5:19 AM | 0.7 | 13° | SSE → SSE |
| April | 2:36 AM – 4:06 AM | 1.5 | 16° | SSE → S |
| May | 12:42 AM – 3:12 AM | 2.5 | 17° | SSE → S |
| June | 10:59 PM – 2:29 AM | 3.5 | 17° | SSE → SSW |
| July | 10:44 PM – 1:14 AM | 2.5 | 17° | S → SSW |
| August | 9:45 PM – 11:15 PM | 1.5 | 16° | S → SSW |
| September | 8:38 PM – 9:08 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: 3 Bortle 3 — Rural sky. Some light domes sit on the horizon, but the Milky Way still looks complex overhead. Modeled zenith brightness ≈ 21.55 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 (78%). 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 | 50 | 60 | 70 | 75 | 83 | 87 | 89 | 92 | 83 | 76 | 65 | 55 |
| Low °F | -27 | -32 | -21 | 7 | 24 | 33 | 43 | 41 | 28 | 20 | -4 | -22 |
| Precip. (in) | 2.6 | 3.0 | 3.0 | 3.8 | 4.2 | 5.3 | 4.5 | 4.3 | 3.6 | 5.0 | 3.7 | 3.9 |
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
- 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.
- 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.
- Check road and trail conditions with the managing agency before you go.
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 Guyot, closest first.
Mountain Peak
Mountain Peak
Mountain Peak
Mountain Peak
Mountain Peak
Waterfall
Mountain PassWaterfallWaterfallCampgrounds nearby (Recreation.gov)
- Sugarloaf 2 Campground10.3 km (6.4 mi) · reservable
- Sugarloaf 1 Campground10.5 km (6.5 mi) · reservable
- Hancock Campground (Nh)12.6 km (7.8 mi) · reservable
- Big Rock13.5 km (8.4 mi) · reservable
- Russell Pond Campground20.0 km (12.4 mi) · reservable
FAQ
When is the best time to photograph Mount Guyot?
What time is golden hour at Mount Guyot?
Where does the sun rise and set at Mount Guyot?
Can you see the Milky Way from Mount Guyot?
Do you need a permit to photograph at Mount Guyot?
How far is Mount Guyot from Deerfield?
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.