Spy Rock — a mountain peak in Mason County, Texas at about 528 m (1,732 ft) above sea level — is a rewarding subject for landscape photographers. The nearest town is Mason, about 18.2 km (11.3 mi) away (Spy Rock lies NNE of town).
Spy Rock is a pink granite dome located in the Llano Uplift in Mason County, Texas, rising 1,749 feet (533 m) feet above sea level. The peak is located south of Fredonia. As with Enchanted Rock, Spy Rock is formed of middle Precambrian (1,082 ± 6 million years ago) material. The base of the peak can be reached by the public, but the dome itself is on private property and accessible only with property owner's permission. Federal and state statutes, regulations and rules governing trespassing, archeological sites and historic sites apply. The state Game Warden as a commissioned peace officer is authorized to inspect natural resources and take necessary action for the preservation of the resources.From the Wikipedia article “Spy Rock (Mason County, Texas)”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Spy Rock the sunrise point swings a long way through the year: about 62° (ENE) at the June solstice and 117° (ESE) in late December. Sunset moves from 298° (WNW) in June to 243° (WSW) in December, and the midday sun climbs to 83° in summer but only 36° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:41 AM | 90° E | 7:48 PM | 271° W | 59° | 12h 07m |
| June solstice (Jun 21) | 6:35 AM | 62° ENE | 8:44 PM | 298° WNW | 83° | 14h 09m |
| September equinox (Sep 22) | 7:26 AM | 89° E | 7:35 PM | 271° W | 59° | 12h 09m |
| December solstice (Dec 21) | 7:31 AM | 117° ESE | 5:40 PM | 243° WSW | 36° | 10h 08m |
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 | 7:36 AM | 8:11 AM | 5:22 PM | 5:57 PM | 6:24 PM | 10h 22m |
| February | 6:54 AM | 7:18 AM | 7:52 AM | 5:52 PM | 6:25 PM | 6:50 PM | 11h 06m |
| March | 7:23 AM | 7:47 AM | 8:19 AM | 7:13 PM | 7:45 PM | 8:09 PM | 11h 58m |
| April | 6:45 AM | 7:09 AM | 7:42 AM | 7:33 PM | 8:05 PM | 8:30 PM | 12h 55m |
| May | 6:16 AM | 6:42 AM | 7:16 AM | 7:51 PM | 8:25 PM | 8:52 PM | 13h 43m |
| June | 6:06 AM | 6:34 AM | 7:09 AM | 8:07 PM | 8:42 PM | 9:10 PM | 14h 08m |
| July | 6:17 AM | 6:44 AM | 7:19 AM | 8:07 PM | 8:42 PM | 9:09 PM | 13h 58m |
| August | 6:38 AM | 7:04 AM | 7:37 AM | 7:47 PM | 8:20 PM | 8:46 PM | 13h 17m |
| September | 6:57 AM | 7:22 AM | 7:54 AM | 7:12 PM | 7:44 PM | 8:08 PM | 12h 22m |
| October | 7:15 AM | 7:40 AM | 8:12 AM | 6:34 PM | 7:06 PM | 7:31 PM | 11h 27m |
| November | 6:39 AM | 7:04 AM | 7:39 AM | 5:05 PM | 5:40 PM | 6:06 PM | 10h 36m |
| December | 7:01 AM | 7:28 AM | 8:04 AM | 5:01 PM | 5:37 PM | 6:04 PM | 10h 09m |
Local time (America/Chicago), 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 Spy Rock, the Milky Way core is visible in a dark sky from February through October. June gives the longest window (about 6.5 hours on a moonless night), and the core peaks around 30° 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 | — | 1° | — |
| February | 4:56 AM – 5:56 AM | 1.0 | 19° | SE → SE |
| March | 4:06 AM – 6:26 AM | 2.3 | 27° | SE → SSE |
| April | 2:10 AM – 5:40 AM | 3.5 | 30° | SE → S |
| May | 12:08 AM – 5:08 AM | 5.0 | 30° | SE → SSW |
| June | 10:21 PM – 4:51 AM | 6.5 | 30° | SE → SW |
| July | 10:18 PM – 3:28 AM | 5.2 | 30° | SSE → SW |
| August | 9:48 PM – 1:28 AM | 3.7 | 30° | S → SW |
| September | 9:06 PM – 11:26 PM | 2.3 | 27° | SSW → SW |
| October | 8:27 PM – 9:27 PM | 1.0 | 19° | SW → SW |
| November | Below 10° in darkness | — | 4° | — |
| December | Below 10° in darkness | — | -18° | — |
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 ≈ 21.78 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show October as the clearest month (about 39% average cloud cover) and February as the cloudiest (54%). August 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 | 84 | 91 | 93 | 102 | 103 | 106 | 110 | 109 | 106 | 101 | 91 | 85 |
| Low °F | 18 | 13 | 19 | 30 | 39 | 57 | 62 | 61 | 47 | 27 | 22 | 16 |
| Precip. (in) | 1.4 | 1.3 | 2.3 | 2.2 | 3.9 | 2.8 | 2.2 | 2.2 | 3.1 | 2.9 | 1.7 | 1.2 |
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
- 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.
- 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.
- Bring a spare battery — cold weather and long exposures drain them fast.
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.
FAQ
When is the best time to photograph Spy Rock?
What time is golden hour at Spy Rock?
Where does the sun rise and set at Spy Rock?
Can you see the Milky Way from Spy Rock?
Do you need a permit to photograph at Spy Rock?
How far is Spy Rock from Mason?
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.