Located in Santa Barbara County, California, San Roque Arch is a natural arch at about 457 m (1,499 ft) above sea level. It sits roughly 4.1 km (2.5 mi) NW of Mission Canyon.
Sunrise & sunset directions
At San Roque Arch the sunrise point swings a long way through the year: about 61° (ENE) at the June solstice and 118° (ESE) in late December. Sunset moves from 300° (WNW) in June to 242° (WSW) in December, and the midday sun climbs to 79° in summer but only 32° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:03 AM | 90° E | 7:11 PM | 271° W | 55° | 12h 08m |
| June solstice (Jun 21) | 5:48 AM | 61° ENE | 8:15 PM | 300° WNW | 79° | 14h 28m |
| September equinox (Sep 22) | 6:48 AM | 89° E | 6:57 PM | 271° W | 56° | 12h 09m |
| December solstice (Dec 21) | 7:03 AM | 118° ESE | 4:53 PM | 242° WSW | 32° | 9h 51m |
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
Arches glow when reflected light bounces off nearby rock — the underside of an arch often turns bright orange just after sunrise or before sunset.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 6:39 AM | 7:06 AM | 7:43 AM | 4:34 PM | 5:12 PM | 5:39 PM | 10h 06m |
| February | 6:19 AM | 6:45 AM | 7:20 AM | 5:08 PM | 5:43 PM | 6:09 PM | 10h 58m |
| March | 6:45 AM | 7:10 AM | 7:44 AM | 6:34 PM | 7:07 PM | 7:32 PM | 11h 57m |
| April | 6:02 AM | 6:28 AM | 7:02 AM | 6:57 PM | 7:31 PM | 7:57 PM | 13h 03m |
| May | 5:30 AM | 5:57 AM | 6:33 AM | 7:19 PM | 7:55 PM | 8:23 PM | 13h 58m |
| June | 5:17 AM | 5:47 AM | 6:24 AM | 7:37 PM | 8:14 PM | 8:43 PM | 14h 27m |
| July | 5:30 AM | 5:58 AM | 6:35 AM | 7:36 PM | 8:13 PM | 8:42 PM | 14h 15m |
| August | 5:54 AM | 6:21 AM | 6:55 AM | 7:14 PM | 7:48 PM | 8:15 PM | 13h 27m |
| September | 6:18 AM | 6:43 AM | 7:16 AM | 6:34 PM | 7:07 PM | 7:32 PM | 12h 24m |
| October | 6:40 AM | 7:05 AM | 7:39 AM | 5:52 PM | 6:26 PM | 6:51 PM | 11h 21m |
| November | 6:07 AM | 6:33 AM | 7:10 AM | 4:19 PM | 4:56 PM | 5:22 PM | 10h 22m |
| December | 6:31 AM | 6:59 AM | 7:38 AM | 4:12 PM | 4:51 PM | 5:19 PM | 9h 52m |
Local time (America/Los Angeles), 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 San Roque Arch, the Milky Way core is visible in a dark sky from February through October. June gives the longest window (about 6.0 hours on a moonless night), and the core peaks around 27° above the southern horizon. Our light-pollution model puts the sky at about Bortle 5 (suburban sky), so expect visible sky glow; drive away from towns for better results.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | 0° | — |
| February | 4:37 AM – 5:17 AM | 0.7 | 16° | SE → SE |
| March | 3:51 AM – 5:41 AM | 1.8 | 23° | SE → SSE |
| April | 1:49 AM – 4:49 AM | 3.0 | 26° | SE → S |
| May | 11:53 PM – 4:13 AM | 4.3 | 27° | SE → SSW |
| June | 10:00 PM – 4:00 AM | 6.0 | 27° | SE → SW |
| July | 9:55 PM – 2:35 AM | 4.7 | 27° | SSE → SW |
| August | 9:20 PM – 12:30 AM | 3.2 | 26° | S → SW |
| September | 8:32 PM – 10:22 PM | 1.8 | 23° | SSW → SW |
| October | 7:49 PM – 8:29 PM | 0.7 | 16° | SW → SW |
| November | Below 10° in darkness | — | 2° | — |
| 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: 5 Bortle 5 — Suburban sky. The Milky Way is weak near the horizon and washed out overhead; long exposures pick up a sky glow. Modeled zenith brightness ≈ 19.7 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show August as the clearest month (about 21% average cloud cover) and February as the cloudiest (43%). 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 | 82 | 83 | 85 | 93 | 99 | 108 | 109 | 106 | 111 | 100 | 89 | 80 |
| Low °F | 25 | 27 | 28 | 29 | 35 | 43 | 48 | 50 | 42 | 37 | 29 | 25 |
| Precip. (in) | 2.9 | 3.1 | 1.9 | 0.8 | 0.4 | 0.0 | 0.1 | 0.0 | 0.1 | 0.7 | 1.0 | 2.3 |
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 natural arch
- Never climb on arches; many are fragile and climbing is prohibited on park lands.
- Midday sun creates hard shadows, but can light the underside through reflection in narrow canyons.
- Frame distant features through the opening of the arch for a natural window.
- At night, arches make classic Milky Way foregrounds; low-level lighting or blue hour exposures keep the rock detailed.
- Use a wide lens and get close to emphasize the span against the sky.
- Bring a spare battery — cold weather and long exposures drain them fast.
Season: Spring and autumn offer mild temperatures in desert arch country; summer heat is extreme at midday.
Suggested gear: Ultra-wide lens, Tripod, Headlamp, Plenty of water. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of San Roque Arch, closest first.
Botanical Garden
Cave
Waterfall
Beach
Mountain Pass
Botanical Garden
Hot Spring
Lighthouse
BeachCampgrounds nearby (Recreation.gov)
- Sage Hill8.1 km (5.0 mi) · reservable
- Upper Oso Campground8.5 km (5.3 mi) · reservable
- Los Prietos9.4 km (5.8 mi) · reservable
- Paradise Campground9.6 km (6.0 mi) · reservable
- Fremont Campground10.2 km (6.3 mi) · reservable
FAQ
When is the best time to photograph San Roque Arch?
What time is golden hour at San Roque Arch?
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How far is San Roque Arch from Mission Canyon?
Sources
Location data: USGS GNIS / GeoNames. 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.