Swan River National Wildlife Refuge — a national wildlife refuge in Lake County, Montana — is a rewarding subject for landscape photographers. The nearest town is Bigfork, about 24 km (15 mi) away (Swan River National Wildlife Refuge lies SE of town).
Swan River National Wildlife Refuge is a 1,778-acre (720 ha) National Wildlife Refuge in Lake County of northwestern Montana. It is a unit of the National Bison Range Complex.From the Wikipedia article “Swan River National Wildlife Refuge”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Swan River National Wildlife Refuge the sunrise point swings a long way through the year: about 53° (NE) at the June solstice and 125° (SE) in late December. Sunset moves from 308° (NW) in June to 235° (SW) in December, and the midday sun climbs to 66° in summer but only 19° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:39 AM | 89° E | 7:48 PM | 271° W | 42° | 12h 09m |
| June solstice (Jun 21) | 5:37 AM | 53° NE | 9:39 PM | 308° NW | 66° | 16h 02m |
| September equinox (Sep 22) | 7:23 AM | 89° E | 7:35 PM | 271° W | 42° | 12h 12m |
| December solstice (Dec 21) | 8:23 AM | 125° SE | 4:46 PM | 235° SW | 19° | 8h 23m |
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 | 7:46 AM | 8:21 AM | 9:11 AM | 4:20 PM | 5:10 PM | 5:45 PM | 8h 50m |
| February | 7:11 AM | 7:43 AM | 8:27 AM | 5:14 PM | 5:58 PM | 6:30 PM | 10h 16m |
| March | 7:19 AM | 7:49 AM | 8:30 AM | 7:00 PM | 7:41 PM | 8:12 PM | 11h 52m |
| April | 6:14 AM | 6:47 AM | 7:28 AM | 7:44 PM | 8:25 PM | 8:58 PM | 13h 39m |
| May | 5:21 AM | 5:58 AM | 6:43 AM | 8:22 PM | 9:07 PM | 9:44 PM | 15h 10m |
| June | 4:56 AM | 5:37 AM | 6:25 AM | 8:48 PM | 9:37 PM | 10:18 PM | 16h 00m |
| July | 5:14 AM | 5:53 AM | 6:40 AM | 8:44 PM | 9:31 PM | 10:10 PM | 15h 39m |
| August | 5:57 AM | 6:31 AM | 7:14 AM | 8:07 PM | 8:50 PM | 9:24 PM | 14h 19m |
| September | 6:42 AM | 7:13 AM | 7:54 AM | 7:09 PM | 7:50 PM | 8:21 PM | 12h 36m |
| October | 7:24 AM | 7:55 AM | 8:38 AM | 6:06 PM | 6:49 PM | 7:20 PM | 10h 53m |
| November | 7:09 AM | 7:42 AM | 8:30 AM | 4:12 PM | 5:00 PM | 5:33 PM | 9h 17m |
| December | 7:43 AM | 8:19 AM | 9:12 AM | 3:51 PM | 4:44 PM | 5:20 PM | 8h 25m |
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 Swan River National Wildlife Refuge, the Milky Way core is visible in a dark sky from April through July. June gives the longest window (about 1.3 hours on a moonless night), and the core peaks around 13° 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 | — | -6° | — |
| February | Below 10° in darkness | — | 5° | — |
| March | Below 10° in darkness | — | 9° | — |
| April | 4:11 AM – 4:41 AM | 0.5 | 12° | SSE → SSE |
| May | 2:13 AM – 3:23 AM | 1.2 | 13° | SSE → S |
| June | 12:52 AM – 2:12 AM | 1.3 | 13° | SSE → S |
| July | 12:18 AM – 1:18 AM | 1.0 | 13° | S → SSW |
| August | 10:56 PM – 11:16 PM | 0.3 | 11° | SSW → SSW |
| September | Below 10° in darkness | — | 9° | — |
| October | Below 10° in darkness | — | 4° | — |
| November | Below 10° in darkness | — | -5° | — |
| December | Below 10° in darkness | — | -20° | — |
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 ≈ 21.89 mag/arcsec². Aurora needs roughly Kp 4.0+ to show low on the northern horizon here.
Weather & best season
Long-term NASA satellite data for this area show July as the clearest month (about 36% average cloud cover) and March as the cloudiest (73%). 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 | 37 | 45 | 65 | 71 | 80 | 90 | 99 | 95 | 87 | 77 | 59 | 38 |
| Low °F | -29 | -36 | -27 | -7 | 20 | 27 | 35 | 35 | 20 | -10 | -15 | -31 |
| Precip. (in) | 4.1 | 3.7 | 3.6 | 3.4 | 3.4 | 3.7 | 1.1 | 1.4 | 1.9 | 3.0 | 3.6 | 3.8 |
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
- 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.
- 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.
- Scout in daylight if you plan to shoot at night or before sunrise.
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.
Nearby photo spots
Other locations within 40 km of Swan River National Wildlife Refuge, closest first.
Lake
State Park
State Park
State ParkState Park
Waterfall
National Wildlife Refuge
Scenic Viewpoint
Wilderness AreaCampgrounds nearby (Recreation.gov)
- Mission Lookout1.4 km (0.9 mi) · reservable
- Swan Guard Station1.9 km (1.2 mi) · reservable
- Swan Lake Campground4.3 km (2.7 mi) · reservable
- Devil'S Corkscrew Campground26 km (16 mi)
FAQ
When is the best time to photograph Swan River National Wildlife Refuge?
What time is golden hour at Swan River National Wildlife Refuge?
Where does the sun rise and set at Swan River National Wildlife Refuge?
Can you see the Milky Way from Swan River National Wildlife Refuge?
Do you need a permit to photograph at Swan River National Wildlife Refuge?
How far is Swan River National Wildlife Refuge from Bigfork?
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.