Located in San Juan County, Utah, Sentinel Mesa is a rock formation. It sits roughly 34 km (21 mi) NNE of Kayenta.
Sentinel Mesa is a 6,450-foot-elevation (1,966-meter) summit in San Juan County, Utah, United States. It is situated 1+1⁄2 miles (2.5 kilometers) north of the Monument Valley visitor center on Navajo Nation land and can be seen from Highway 163. The mesa is immediately northwest of the iconic West and East Mitten Buttes. The nearest higher neighbor is Brighams Tomb, 2+5⁄8 miles (4.2 km) to the north-northeast. Precipitation runoff from this mesa's west slope drains to Mitchell Butte Wash, whereas the east slope drains to West Gypsum Creek, which are both part of the San Juan River drainage basin. The "Sentinel" name refers to how the mesa oversees Monument Valley which the Navajo consider as one of the "door posts" to Monument Valley. The landform's toponym has been officially adopted by the U.S. Board on Geographic Names.From the Wikipedia article “Sentinel Mesa”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Sentinel Mesa 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 301° (WNW) in June to 241° (WSW) in December, and the midday sun climbs to 76° in summer but only 30° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:25 AM | 90° E | 7:33 PM | 271° W | 53° | 12h 08m |
| June solstice (Jun 21) | 6:02 AM | 60° ENE | 8:44 PM | 301° WNW | 76° | 14h 42m |
| September equinox (Sep 22) | 7:09 AM | 89° E | 7:19 PM | 271° W | 53° | 12h 10m |
| December solstice (Dec 21) | 7:31 AM | 119° ESE | 5:08 PM | 241° WSW | 30° | 9h 37m |
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
Rock towers and buttes glow red and orange in the first and last half-hour of sun; midday light flattens their shape.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 7:05 AM | 7:33 AM | 8:13 AM | 4:48 PM | 5:28 PM | 5:56 PM | 9h 54m |
| February | 6:43 AM | 7:10 AM | 7:46 AM | 5:25 PM | 6:01 PM | 6:28 PM | 10h 51m |
| March | 7:06 AM | 7:32 AM | 8:07 AM | 6:54 PM | 7:28 PM | 7:54 PM | 11h 56m |
| April | 6:20 AM | 6:47 AM | 7:22 AM | 7:21 PM | 7:55 PM | 8:22 PM | 13h 09m |
| May | 5:44 AM | 6:13 AM | 6:50 AM | 7:45 PM | 8:22 PM | 8:51 PM | 14h 09m |
| June | 5:30 AM | 6:01 AM | 6:40 AM | 8:04 PM | 8:42 PM | 9:13 PM | 14h 41m |
| July | 5:43 AM | 6:13 AM | 6:51 AM | 8:03 PM | 8:41 PM | 9:11 PM | 14h 28m |
| August | 6:10 AM | 6:38 AM | 7:14 AM | 7:38 PM | 8:14 PM | 8:41 PM | 13h 35m |
| September | 6:37 AM | 7:03 AM | 7:38 AM | 6:55 PM | 7:30 PM | 7:56 PM | 12h 26m |
| October | 7:03 AM | 7:29 AM | 8:04 AM | 6:10 PM | 6:45 PM | 7:11 PM | 11h 16m |
| November | 6:32 AM | 7:00 AM | 7:38 AM | 4:34 PM | 5:12 PM | 5:40 PM | 10h 12m |
| December | 6:58 AM | 7:27 AM | 8:08 AM | 4:25 PM | 5:06 PM | 5:35 PM | 9h 38m |
Local time (America/Denver), 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 Sentinel Mesa, the Milky Way core is visible in a dark sky from March through October. June gives the longest window (about 5.5 hours on a moonless night), and the core peaks around 24° above the southern horizon. Our light-pollution model puts the sky at about Bortle 1 (excellent dark-sky site), which is excellent for astrophotography.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -1° | — |
| February | 5:18 AM – 5:38 AM | 0.3 | 14° | SE → SE |
| March | 4:24 AM – 5:54 AM | 1.5 | 20° | SE → SSE |
| April | 2:17 AM – 5:07 AM | 2.8 | 24° | SE → S |
| May | 12:25 AM – 4:25 AM | 4.0 | 24° | SE → SSW |
| June | 10:34 PM – 4:04 AM | 5.5 | 24° | SE → SW |
| July | 10:28 PM – 2:38 AM | 4.2 | 24° | SSE → SW |
| August | 9:49 PM – 12:39 AM | 2.8 | 24° | S → SW |
| September | 8:57 PM – 10:37 PM | 1.7 | 21° | SSW → SW |
| October | 8:11 PM – 8:41 PM | 0.5 | 14° | SW → SW |
| November | Below 10° in darkness | — | 1° | — |
| 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: 1 Bortle 1 — Excellent dark-sky site. The Milky Way casts faint shadows; zodiacal light and airglow are obvious. Modeled zenith brightness ≈ 21.93 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show June as the clearest month (about 30% average cloud cover) and December as the cloudiest (51%). 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 | 66 | 69 | 81 | 89 | 101 | 105 | 108 | 105 | 102 | 92 | 78 | 64 |
| Low °F | 3 | 1 | 18 | 22 | 28 | 40 | 54 | 53 | 35 | 16 | 16 | 9 |
| Precip. (in) | 0.7 | 0.7 | 0.6 | 0.5 | 0.5 | 0.2 | 0.8 | 1.0 | 1.0 | 1.0 | 0.6 | 0.7 |
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 rock formation
- Find a spot where the formation sits against open sky to emphasize its silhouette.
- At night, a formation under the Milky Way or star trails makes a strong anchor.
- Use the sunrise and sunset azimuths below to know which face will be lit.
- Stay on trails; desert soils and lichens take decades to recover from footprints.
- Scout in daylight if you plan to shoot at night or before sunrise.
Season: Spring and autumn are best in desert regions; winter snow on red rock is rare but spectacular.
Suggested gear: Wide and telephoto lenses, Tripod, Headlamp. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of Sentinel Mesa, closest first.
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Mountain Peak
Scenic Viewpoint
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Rock FormationFAQ
When is the best time to photograph Sentinel Mesa?
What time is golden hour at Sentinel Mesa?
Where does the sun rise and set at Sentinel Mesa?
Can you see the Milky Way from Sentinel Mesa?
Do you need a permit to photograph at Sentinel Mesa?
How far is Sentinel Mesa from Kayenta?
Sources
Location data: Wikidata, 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.