Natural Bridge is a natural arch in Southeast Fairbanks Census Area, Alaska at about 975 m (3,199 ft) above sea level.
Sunrise & sunset directions
At Natural Bridge the sunrise point swings a long way through the year: about 13° (NNE) at the June solstice and 156° (SSE) in late December. Sunset moves from 347° (NNW) in June to 204° (SSW) in December, and the midday sun climbs to 48° in summer but only 1° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:25 AM | 89° E | 7:40 PM | 272° W | 25° | 12h 15m |
| June solstice (Jun 21) | 2:23 AM | 13° NNE | 12:31 AM | 347° NNW | 48° | 22h 08m |
| September equinox (Sep 22) | 7:08 AM | 88° E | 7:28 PM | 273° W | 25° | 12h 20m |
| December solstice (Dec 21) | 10:38 AM | 156° SSE | 2:09 PM | 204° SSW | 1° | 3h 32m |
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 | 8:52 AM | 10:04 AM | — | — | 3:05 PM | 4:17 PM | 5h 01m |
| February | 7:32 AM | 8:25 AM | 9:49 AM | 3:30 PM | 4:54 PM | 5:47 PM | 8h 28m |
| March | 6:55 AM | 7:44 AM | 8:50 AM | 6:18 PM | 7:25 PM | 8:14 PM | 11h 41m |
| April | 4:50 AM | 5:49 AM | 6:57 AM | 7:53 PM | 9:02 PM | 10:00 PM | 15h 13m |
| May | 1:27 AM | 3:59 AM | 5:28 AM | 9:15 PM | 10:45 PM | 1:16 AM | 18h 46m |
| June | — | 2:27 AM | 4:41 AM | 10:10 PM | 12:25 AM | — | 21h 58m |
| July | — | 3:23 AM | 5:09 AM | 9:53 PM | 11:40 PM | — | 20h 17m |
| August | 4:01 AM | 5:11 AM | 6:25 AM | 8:35 PM | 9:49 PM | 10:59 PM | 16h 39m |
| September | 5:56 AM | 6:47 AM | 7:52 AM | 6:49 PM | 7:54 PM | 8:45 PM | 13h 07m |
| October | 7:28 AM | 8:18 AM | 9:32 AM | 4:50 PM | 6:03 PM | 6:54 PM | 9h 45m |
| November | 8:00 AM | 9:03 AM | 11:28 AM | 12:52 PM | 3:17 PM | 4:20 PM | 6h 14m |
| December | 9:04 AM | 10:31 AM | — | — | 2:10 PM | 3:37 PM | 3h 39m |
Local time (America/Anchorage), 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
The Milky Way's bright core (in Sagittarius) barely clears the southern horizon at this latitude, so focus on winter Milky Way, aurora or star trails instead.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -14° | — |
| February | Below 10° in darkness | — | -10° | — |
| March | Below 10° in darkness | — | -10° | — |
| April | Below 10° in darkness | — | -8° | — |
| May | No darkness | — | — | — |
| June | No darkness | — | — | — |
| July | No darkness | — | — | — |
| August | No darkness | — | — | — |
| September | Below 10° in darkness | — | -13° | — |
| October | Below 10° in darkness | — | -11° | — |
| November | Below 10° in darkness | — | -14° | — |
| December | Below 10° in darkness | — | -22° | — |
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 ≈ 21.95 mag/arcsec². Aurora needs roughly Kp 0.0+ to show low on the northern horizon here.
Weather & best season
Long-term NASA satellite data for this area show March as the clearest month (about 47% average cloud cover) and July as the cloudiest (77%). 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 | 35 | 34 | 35 | 54 | 75 | 82 | 78 | 76 | 63 | 56 | 35 | 35 |
| Low °F | -50 | -44 | -46 | -22 | -10 | 24 | 34 | 24 | 12 | -17 | -38 | -40 |
| Precip. (in) | 1.1 | 1.2 | 0.8 | 1.1 | 1.9 | 3.4 | 5.4 | 3.9 | 2.9 | 1.7 | 1.6 | 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 natural arch
- Use a wide lens and get close to emphasize the span against the sky.
- 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.
- Check road and trail conditions with the managing agency before you go.
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.
FAQ
When is the best time to photograph Natural Bridge?
What time is golden hour at Natural Bridge?
Where does the sun rise and set at Natural Bridge?
Can you see the Milky Way from Natural Bridge?
Do you need a permit to photograph at Natural Bridge?
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.