Located in McCurtain County, Oklahoma, Little River National Wildlife Refuge is a national wildlife refuge. It sits roughly 7.5 km (4.7 mi) NE of Idabel.
The Little River National Wildlife Refuge is a National Wildlife Refuge of the United States located in Oklahoma. It covers 15,000 acres (61 km2) of forests and wetlands. The refuge contains most of the remaining bottomland hardwood communities in the southeastern part of the state. It is characterized by low, wet oak and hickory forest with oxbows and sloughs. Trees of the landscape include hickory, willow oak, sweetgum, cypress, white oak, loblolly pine, and walnut.From the Wikipedia article “Little River National Wildlife Refuge”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Little River National Wildlife Refuge 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 299° (WNW) in June to 242° (WSW) in December, and the midday sun climbs to 79° in summer but only 33° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:24 AM | 90° E | 7:31 PM | 271° W | 56° | 12h 07m |
| June solstice (Jun 21) | 6:09 AM | 61° ENE | 8:34 PM | 299° WNW | 79° | 14h 25m |
| September equinox (Sep 22) | 7:08 AM | 89° E | 7:17 PM | 271° W | 56° | 12h 10m |
| December solstice (Dec 21) | 7:21 AM | 118° ESE | 5:15 PM | 242° WSW | 33° | 9h 53m |
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 | 6:58 AM | 7:25 AM | 8:02 AM | 4:56 PM | 5:33 PM | 6:00 PM | 10h 08m |
| February | 6:39 AM | 7:05 AM | 7:39 AM | 5:29 PM | 6:04 PM | 6:29 PM | 10h 59m |
| March | 7:06 AM | 7:30 AM | 8:04 AM | 6:54 PM | 7:27 PM | 7:52 PM | 11h 57m |
| April | 6:23 AM | 6:49 AM | 7:22 AM | 7:17 PM | 7:51 PM | 8:16 PM | 13h 02m |
| May | 5:51 AM | 6:19 AM | 6:54 AM | 7:39 PM | 8:14 PM | 8:42 PM | 13h 55m |
| June | 5:39 AM | 6:08 AM | 6:45 AM | 7:56 PM | 8:32 PM | 9:02 PM | 14h 24m |
| July | 5:51 AM | 6:20 AM | 6:56 AM | 7:55 PM | 8:32 PM | 9:00 PM | 14h 12m |
| August | 6:15 AM | 6:42 AM | 7:16 AM | 7:33 PM | 8:07 PM | 8:34 PM | 13h 26m |
| September | 6:38 AM | 7:03 AM | 7:36 AM | 6:54 PM | 7:27 PM | 7:52 PM | 12h 24m |
| October | 6:59 AM | 7:25 AM | 7:58 AM | 6:13 PM | 6:46 PM | 7:11 PM | 11h 22m |
| November | 6:26 AM | 6:52 AM | 7:29 AM | 4:41 PM | 5:17 PM | 5:43 PM | 10h 24m |
| December | 6:50 AM | 7:18 AM | 7:56 AM | 4:34 PM | 5:12 PM | 5:40 PM | 9h 54m |
Local time (America/Chicago), 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 Little River National Wildlife Refuge, 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 3 (rural sky), good enough for detailed Milky Way images.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | 0° | — |
| February | 4:57 AM – 5:37 AM | 0.7 | 16° | SE → SE |
| March | 4:10 AM – 6:00 AM | 1.8 | 24° | SE → SSE |
| April | 2:08 AM – 5:18 AM | 3.2 | 27° | SE → S |
| May | 12:11 AM – 4:31 AM | 4.3 | 27° | SE → SSW |
| June | 10:17 PM – 4:17 AM | 6.0 | 27° | SE → SW |
| July | 10:13 PM – 2:53 AM | 4.7 | 27° | SSE → SW |
| August | 9:39 PM – 12:49 AM | 3.2 | 27° | S → SW |
| September | 8:52 PM – 10:52 PM | 2.0 | 24° | SSW → SW |
| October | 8:09 PM – 8:49 PM | 0.7 | 16° | SW → SW |
| November | Below 10° in darkness | — | 3° | — |
| 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: 3 Bortle 3 — Rural sky. Some light domes sit on the horizon, but the Milky Way still looks complex overhead. Modeled zenith brightness ≈ 21.36 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show September as the clearest month (about 41% average cloud cover) and February as the cloudiest (61%). August 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 | 77 | 78 | 86 | 90 | 100 | 107 | 109 | 115 | 108 | 98 | 88 | 79 |
| Low °F | 5 | 16 | 16 | 29 | 37 | 56 | 62 | 59 | 46 | 32 | 21 | 11 |
| Precip. (in) | 3.4 | 4.7 | 4.8 | 4.7 | 5.4 | 3.9 | 3.6 | 3.2 | 3.6 | 4.5 | 3.5 | 4.5 |
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
- 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.
- 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.
- Shoot RAW to keep the most latitude for high-contrast sunrise and sunset scenes.
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 Little River National Wildlife Refuge, closest first.
FAQ
When is the best time to photograph Little River National Wildlife Refuge?
What time is golden hour at Little River National Wildlife Refuge?
Where does the sun rise and set at Little River National Wildlife Refuge?
Can you see the Milky Way from Little River National Wildlife Refuge?
Do you need a permit to photograph at Little River National Wildlife Refuge?
How far is Little River National Wildlife Refuge from Idabel?
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.