Rousseau Recreation and Overlook Area is a scenic viewpoint in Hughes County, South Dakota at about 433 m (1,421 ft) above sea level. It sits roughly 23 km (14 mi) ESE of Pierre.
Sunrise & sunset directions
At Rousseau Recreation and Overlook Area the sunrise point swings a long way through the year: about 55° (NE) at the June solstice and 123° (ESE) in late December. Sunset moves from 305° (NW) in June to 237° (WSW) in December, and the midday sun climbs to 69° in summer but only 22° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:44 AM | 90° E | 7:53 PM | 271° W | 46° | 12h 08m |
| June solstice (Jun 21) | 5:57 AM | 55° NE | 9:29 PM | 305° NW | 69° | 15h 32m |
| September equinox (Sep 22) | 7:28 AM | 89° E | 7:40 PM | 271° W | 46° | 12h 11m |
| December solstice (Dec 21) | 8:14 AM | 123° ESE | 5:05 PM | 237° WSW | 22° | 8h 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
Overlooks are about the sweep of the land, so low-angle light matters most: side-light at sunrise or sunset reveals ridges and texture that midday sun flattens.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 7:41 AM | 8:13 AM | 8:59 AM | 4:41 PM | 5:27 PM | 5:59 PM | 9h 14m |
| February | 7:11 AM | 7:41 AM | 8:22 AM | 5:29 PM | 6:10 PM | 6:39 PM | 10h 29m |
| March | 7:25 AM | 7:54 AM | 8:32 AM | 7:08 PM | 7:47 PM | 8:15 PM | 11h 53m |
| April | 6:27 AM | 6:57 AM | 7:36 AM | 7:46 PM | 8:25 PM | 8:55 PM | 13h 27m |
| May | 5:40 AM | 6:14 AM | 6:56 AM | 8:19 PM | 9:01 PM | 9:35 PM | 14h 47m |
| June | 5:20 AM | 5:56 AM | 6:41 AM | 8:42 PM | 9:27 PM | 10:03 PM | 15h 30m |
| July | 5:36 AM | 6:11 AM | 6:54 AM | 8:39 PM | 9:23 PM | 9:58 PM | 15h 12m |
| August | 6:13 AM | 6:44 AM | 7:24 AM | 8:07 PM | 8:47 PM | 9:19 PM | 14h 03m |
| September | 6:51 AM | 7:20 AM | 7:58 AM | 7:15 PM | 7:53 PM | 8:22 PM | 12h 33m |
| October | 7:27 AM | 7:56 AM | 8:35 AM | 6:18 PM | 6:58 PM | 7:27 PM | 11h 02m |
| November | 7:06 AM | 7:37 AM | 8:21 AM | 4:31 PM | 5:15 PM | 5:46 PM | 9h 38m |
| December | 7:37 AM | 8:10 AM | 8:58 AM | 4:15 PM | 5:03 PM | 5:36 PM | 8h 52m |
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 Rousseau Recreation and Overlook Area, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 3.5 hours on a moonless night), and the core peaks around 17° 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 | — | -5° | — |
| February | Below 10° in darkness | — | 8° | — |
| March | 5:33 AM – 6:13 AM | 0.7 | 13° | SSE → SSE |
| April | 3:30 AM – 5:00 AM | 1.5 | 16° | SSE → S |
| May | 1:36 AM – 4:06 AM | 2.5 | 17° | SSE → S |
| June | 11:53 PM – 3:23 AM | 3.5 | 17° | SSE → SSW |
| July | 11:38 PM – 2:08 AM | 2.5 | 17° | S → SSW |
| August | 10:39 PM – 12:09 AM | 1.5 | 16° | S → SSW |
| September | 9:32 PM – 10:02 PM | 0.5 | 13° | SSW → SSW |
| October | Below 10° in darkness | — | 8° | — |
| November | Below 10° in darkness | — | -3° | — |
| 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 5.0+ 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 43% average cloud cover) and February as the cloudiest (67%). 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 | 57 | 69 | 83 | 91 | 99 | 112 | 117 | 110 | 106 | 93 | 74 | 62 |
| Low °F | -23 | -12 | -21 | 13 | 27 | 43 | 49 | 49 | 36 | -1 | 1 | -17 |
| Precip. (in) | 0.4 | 0.7 | 1.0 | 2.0 | 3.1 | 3.2 | 2.3 | 2.2 | 1.7 | 1.6 | 0.5 | 0.6 |
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 scenic viewpoint
- Use a telephoto (70–200 mm) to isolate layered ridges and light rays instead of shooting only wide.
- Check the sun azimuth for your date: front-light, side-light and back-light give three different pictures from the same rail.
- Haze builds in summer afternoons; mornings after a cold front are often the clearest.
- Stay behind barriers — many overlook edges are undercut or crumbly.
- Bring a spare battery — cold weather and long exposures drain them fast.
Season: Clear, dry air in autumn and after winter storms gives the longest views; summer adds wildflowers but also haze.
Suggested gear: Tripod, Telephoto lens, Graduated ND filter, Headlamp. Work out exposures with the depth of field, ND filter and NPF rule calculators.
FAQ
When is the best time to photograph Rousseau Recreation and Overlook Area?
What time is golden hour at Rousseau Recreation and Overlook Area?
Where does the sun rise and set at Rousseau Recreation and Overlook Area?
Can you see the Milky Way from Rousseau Recreation and Overlook Area?
Do you need a permit to photograph at Rousseau Recreation and Overlook Area?
How far is Rousseau Recreation and Overlook Area from Pierre?
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.