Located in Coconino County, Arizona, Bill Williams Mountain is a mountain peak at about 2,795 m (9,170 ft) above sea level. It is part of Kaibab National Forest. The nearest town is Williams, about 5.6 km (3.5 mi) away (Bill Williams Mountain lies SSW of town).
Bill Williams Mountain is a peak and lava dome volcano located about 31 miles (50 km) west of Flagstaff and 3.5 miles (5.6 km) south of Williams, Arizona in the Kaibab National Forest. It is named for Old Bill Williams, a scout, guide, and mountain man, who lived in the 1800s. It is part of the San Francisco volcanic field.From the Wikipedia article “Bill Williams Mountain”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Bill Williams Mountain the sunrise point swings a long way through the year: about 60° (ENE) at the June solstice and 119° (ESE) in late December. Sunset moves from 300° (WNW) in June to 242° (WSW) in December, and the midday sun climbs to 78° in summer but only 31° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 6:33 AM | 90° E | 6:41 PM | 271° W | 55° | 12h 08m |
| June solstice (Jun 21) | 5:15 AM | 60° ENE | 7:47 PM | 300° WNW | 78° | 14h 32m |
| September equinox (Sep 22) | 6:18 AM | 89° E | 6:27 PM | 271° W | 55° | 12h 10m |
| December solstice (Dec 21) | 7:34 AM | 119° ESE | 5:21 PM | 242° WSW | 31° | 9h 47m |
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 | 7:10 AM | 7:37 AM | 8:15 AM | 5:02 PM | 5:40 PM | 6:08 PM | 10h 03m |
| February | 6:50 AM | 7:16 AM | 7:51 AM | 5:37 PM | 6:12 PM | 6:38 PM | 10h 56m |
| March | 6:15 AM | 6:40 AM | 7:14 AM | 6:03 PM | 6:37 PM | 7:02 PM | 11h 56m |
| April | 5:31 AM | 5:57 AM | 6:31 AM | 6:28 PM | 7:02 PM | 7:28 PM | 13h 04m |
| May | 4:58 AM | 5:26 AM | 6:02 AM | 6:51 PM | 7:26 PM | 7:55 PM | 14h 01m |
| June | 4:45 AM | 5:15 AM | 5:52 AM | 7:08 PM | 7:46 PM | 8:15 PM | 14h 31m |
| July | 4:57 AM | 5:26 AM | 6:03 AM | 7:08 PM | 7:44 PM | 8:14 PM | 14h 18m |
| August | 5:23 AM | 5:49 AM | 6:24 AM | 6:44 PM | 7:19 PM | 7:46 PM | 13h 30m |
| September | 5:47 AM | 6:12 AM | 6:46 AM | 6:04 PM | 6:37 PM | 7:03 PM | 12h 25m |
| October | 6:10 AM | 6:36 AM | 7:10 AM | 5:21 PM | 5:55 PM | 6:21 PM | 11h 19m |
| November | 6:38 AM | 7:05 AM | 7:42 AM | 4:47 PM | 5:24 PM | 5:51 PM | 10h 19m |
| December | 7:03 AM | 7:31 AM | 8:10 AM | 4:40 PM | 5:19 PM | 5:47 PM | 9h 48m |
Local time (America/Phoenix), 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 Bill Williams Mountain, the Milky Way core is visible in a dark sky from February through October. June gives the longest window (about 5.8 hours on a moonless night), and the core peaks around 26° 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 | — | -1° | — |
| February | 5:17 AM – 5:47 AM | 0.5 | 15° | SE → SE |
| March | 3:21 AM – 5:11 AM | 1.8 | 23° | SE → SSE |
| April | 1:21 AM – 4:21 AM | 3.0 | 26° | SE → S |
| May | 11:26 PM – 3:36 AM | 4.2 | 26° | SE → SSW |
| June | 9:33 PM – 3:23 AM | 5.8 | 26° | SE → SW |
| July | 9:29 PM – 1:59 AM | 4.5 | 26° | SSE → SW |
| August | 8:52 PM – 11:52 PM | 3.0 | 26° | S → SW |
| September | 8:03 PM – 9:53 PM | 1.8 | 23° | SSW → SW |
| October | 7:20 PM – 8:00 PM | 0.7 | 15° | SW → SW |
| November | Below 10° in darkness | — | 2° | — |
| 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: 3 Bortle 3 — Rural sky. Some light domes sit on the horizon, but the Milky Way still looks complex overhead. Modeled zenith brightness ≈ 21.43 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show June as the clearest month (about 21% average cloud cover) and December as the cloudiest (48%). 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 | 68 | 70 | 80 | 87 | 96 | 102 | 104 | 101 | 99 | 88 | 77 | 67 |
| Low °F | 0 | -1 | 10 | 16 | 27 | 39 | 50 | 47 | 33 | 19 | 14 | 0 |
| Precip. (in) | 1.4 | 1.6 | 1.1 | 0.6 | 0.5 | 0.2 | 2.3 | 2.3 | 1.3 | 1.2 | 1.1 | 1.3 |
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 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 Bill Williams Mountain, closest first.
Campgrounds nearby (Recreation.gov)
- Dogtown Lake Campground And Group7.5 km (4.7 mi) · reservable
- Kaibab Lake Sites And Group Areas10.0 km (6.2 mi) · reservable
- White Horse Lake Campground19.5 km (12.1 mi) · reservable
- Spring Valley Cabin & Bunkhouse28 km (18 mi) · reservable
FAQ
When is the best time to photograph Bill Williams Mountain?
What time is golden hour at Bill Williams Mountain?
Where does the sun rise and set at Bill Williams Mountain?
Can you see the Milky Way from Bill Williams Mountain?
Do you need a permit to photograph at Bill Williams Mountain?
How far is Bill Williams Mountain from Williams?
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.