Yukon Flats National Wildlife Refuge — a national wildlife refuge in Yukon-Koyukuk Census Area, Alaska — is a rewarding subject for landscape photographers. It sits roughly 184 km (114 mi) NNE of College.
The Yukon Flats National Wildlife Refuge is a protected wetland area in the state of Alaska, in the U.S. It encompasses most of the Yukon Flats, a vast wetland area centered on the confluence of the Yukon River, Porcupine River, and Chandalar River. The area is a significant waterfowl breeding ground, and after a proposal to flood the Yukon Flats via a dam on the Yukon River was turned down, the Yukon Flats were deemed worthy of protection. On 1 December 1978, US President Jimmy Carter designated the Yukon Flats as a National Monument based on the Antiquities Act of 1906. During the Alaska National Interest Lands Conservation Act of December 2, 1980, the area boundaries were changed after political criticism, and the status was downgraded to that of a wildlife refuge. It is the third-largest National Wildlife Refuge in the United States. However, it is less than one-half the size of...From the Wikipedia article “Yukon Flats National Wildlife Refuge”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At this latitude the sun does not rise or set on some days of the year, so check the monthly table below for daylight and twilight.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:44 AM | 88° E | 8:00 PM | 272° W | 24° | 12h 16m |
| June solstice (Jun 21) | — | — | — | — | 47° | — |
| September equinox (Sep 22) | 7:27 AM | 88° E | 7:48 PM | 273° W | 24° | 12h 21m |
| December solstice (Dec 21) | 11:30 AM | 164° SSE | 1:56 PM | 197° SSW | 0° | 2h 26m |
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
Wildlife is most active in the first and last two hours of daylight — exactly when the light is warmest.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 9:22 AM | 10:43 AM | — | — | 3:05 PM | 4:27 PM | 4h 23m |
| February | 7:55 AM | 8:52 AM | 10:23 AM | 3:35 PM | 5:06 PM | 6:03 PM | 8h 15m |
| March | 7:12 AM | 8:04 AM | 9:14 AM | 6:34 PM | 7:43 PM | 8:35 PM | 11h 39m |
| April | 4:59 AM | 6:02 AM | 7:14 AM | 8:15 PM | 9:27 PM | 10:30 PM | 15h 25m |
| May | — | 4:01 AM | 5:39 AM | 9:43 PM | 11:22 PM | — | 19h 21m |
| June | — | — | 4:48 AM | 10:43 PM | — | — | — |
| July | — | 3:12 AM | 5:18 AM | 10:23 PM | 12:29 AM | — | 21h 16m |
| August | 4:03 AM | 5:20 AM | 6:40 AM | 8:59 PM | 10:18 PM | 11:36 PM | 16h 58m |
| September | 6:11 AM | 7:05 AM | 8:13 AM | 7:07 PM | 8:15 PM | 9:09 PM | 13h 10m |
| October | 7:49 AM | 8:42 AM | 10:00 AM | 5:00 PM | 6:18 PM | 7:12 PM | 9h 36m |
| November | 8:27 AM | 9:36 AM | — | — | 3:23 PM | 4:32 PM | 5h 47m |
| December | 9:37 AM | 11:22 AM | — | — | 1:58 PM | 3:43 PM | 2h 37m |
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 | — | -11° | — |
| March | Below 10° in darkness | — | -12° | — |
| April | Below 10° in darkness | — | -11° | — |
| May | No darkness | — | — | — |
| June | No darkness | — | — | — |
| July | No darkness | — | — | — |
| August | No darkness | — | — | — |
| September | Below 10° in darkness | — | -15° | — |
| October | Below 10° in darkness | — | -13° | — |
| November | Below 10° in darkness | — | -15° | — |
| 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 44% average cloud cover) and October as the cloudiest (79%). 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 | 36 | 36 | 35 | 63 | 81 | 85 | 86 | 85 | 71 | 63 | 34 | 34 |
| Low °F | -55 | -54 | -46 | -22 | -2 | 28 | 38 | 27 | 15 | -21 | -41 | -49 |
| Precip. (in) | 1.0 | 0.8 | 0.7 | 1.0 | 1.1 | 1.4 | 1.9 | 1.9 | 1.7 | 1.2 | 1.2 | 1.1 |
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 national wildlife refuge
- A 400–600 mm lens (or a crop body) is the usual tool for birds.
- Fast shutter speeds (1/2000 s+) freeze wingbeats; raise ISO rather than lose the shot.
- Migration peaks bring the largest concentrations — see the birding calendar for this state.
- Use auto-loop roads as mobile blinds; animals often tolerate vehicles more than people on foot.
- Stay on designated routes and keep a respectful distance — if an animal changes behavior, you are too close.
- Check road and trail conditions with the managing agency before you go.
Season: Spring and autumn migration are the highlights; winter brings waterfowl to many southern refuges.
Suggested gear: Telephoto lens (400 mm+), Bean bag for car window, Binoculars. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Permits, drones & access
Drones: Launching or landing drones on National Wildlife Refuge lands generally requires a special use permit from the refuge manager, and wildlife disturbance rules apply everywhere.
FAQ
When is the best time to photograph Yukon Flats National Wildlife Refuge?
What time is golden hour at Yukon Flats National Wildlife Refuge?
Where does the sun rise and set at Yukon Flats National Wildlife Refuge?
Can you see the Milky Way from Yukon Flats National Wildlife Refuge?
Do you need a permit to photograph at Yukon Flats National Wildlife Refuge?
How far is Yukon Flats National Wildlife Refuge from College?
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.