Located in Ontonagon County, Michigan, Rock Bluff Falls is a waterfall at about 415 m (1,362 ft) above sea level. The nearest town is Eagle River, about 51 km (32 mi) away (Rock Bluff Falls lies N of town).
Sunrise & sunset directions
At Rock Bluff Falls the sunrise point swings a long way through the year: about 54° (NE) at the June solstice and 124° (SE) in late December. Sunset moves from 306° (NW) in June to 236° (SW) in December, and the midday sun climbs to 67° in summer but only 20° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 8:01 AM | 90° E | 8:09 PM | 271° W | 44° | 12h 09m |
| June solstice (Jun 21) | 6:05 AM | 54° NE | 9:53 PM | 306° NW | 67° | 15h 48m |
| September equinox (Sep 22) | 7:44 AM | 89° E | 7:56 PM | 271° W | 44° | 12h 12m |
| December solstice (Dec 21) | 8:38 AM | 124° SE | 5:13 PM | 236° SW | 20° | 8h 35m |
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
Waterfalls photograph best in soft, even light: overcast days, deep shade, or the hour after sunrise before direct sun hits the water. Bright sun on white water blows highlights and adds harsh contrast.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 8:03 AM | 8:37 AM | 9:25 AM | 4:48 PM | 5:37 PM | 6:11 PM | 9h 00m |
| February | 7:30 AM | 8:01 AM | 8:44 AM | 5:40 PM | 6:22 PM | 6:53 PM | 10h 21m |
| March | 7:41 AM | 8:10 AM | 8:50 AM | 7:23 PM | 8:03 PM | 8:32 PM | 11h 52m |
| April | 6:39 AM | 7:11 AM | 7:51 AM | 8:04 PM | 8:44 PM | 9:16 PM | 13h 34m |
| May | 5:49 AM | 6:24 AM | 7:08 AM | 8:40 PM | 9:24 PM | 9:59 PM | 14h 59m |
| June | 5:26 AM | 6:05 AM | 6:51 AM | 9:05 PM | 9:51 PM | 10:30 PM | 15h 47m |
| July | 5:43 AM | 6:20 AM | 7:05 AM | 9:01 PM | 9:47 PM | 10:24 PM | 15h 27m |
| August | 6:23 AM | 6:56 AM | 7:38 AM | 8:26 PM | 9:08 PM | 9:41 PM | 14h 12m |
| September | 7:05 AM | 7:35 AM | 8:15 AM | 7:31 PM | 8:10 PM | 8:41 PM | 12h 35m |
| October | 7:44 AM | 8:14 AM | 8:56 AM | 6:31 PM | 7:12 PM | 7:42 PM | 10h 57m |
| November | 7:26 AM | 7:59 AM | 8:45 AM | 4:39 PM | 5:25 PM | 5:58 PM | 9h 26m |
| December | 7:59 AM | 8:34 AM | 9:25 AM | 4:21 PM | 5:11 PM | 5:46 PM | 8h 37m |
Local time (America/Detroit), 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 Rock Bluff Falls, the Milky Way core is visible in a dark sky from April through August. June gives the longest window (about 2.7 hours on a moonless night), and the core peaks around 15° above the southern horizon. Our light-pollution model puts the sky at about Bortle 1 (excellent dark-sky 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 | — | 6° | — |
| March | 6:13 AM – 6:23 AM | 0.2 | 11° | SSE → SSE |
| April | 4:15 AM – 5:15 AM | 1.0 | 14° | SSE → SSE |
| May | 2:09 AM – 3:59 AM | 1.8 | 15° | SSE → S |
| June | 12:36 AM – 3:16 AM | 2.7 | 15° | SSE → SSW |
| July | 12:16 AM – 2:06 AM | 1.8 | 15° | S → SSW |
| August | 11:07 PM – 11:57 PM | 0.8 | 14° | SSW → SSW |
| September | 9:54 PM – 10:04 PM | 0.2 | 11° | SSW → SSW |
| October | Below 10° in darkness | — | 6° | — |
| November | Below 10° in darkness | — | -4° | — |
| 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: 1 Bortle 1 — Excellent dark-sky site. The Milky Way casts faint shadows; zodiacal light and airglow are obvious. Modeled zenith brightness ≈ 21.93 mag/arcsec². Aurora needs roughly Kp 3.5+ 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 54% average cloud cover) and December as the cloudiest (78%). 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 | 40 | 49 | 73 | 76 | 87 | 88 | 96 | 93 | 89 | 79 | 67 | 54 |
| Low °F | -21 | -26 | -19 | 6 | 23 | 34 | 40 | 42 | 31 | 13 | -1 | -20 |
| Precip. (in) | 1.7 | 1.7 | 1.8 | 3.2 | 3.7 | 4.1 | 3.7 | 3.4 | 3.8 | 3.7 | 2.3 | 2.3 |
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 waterfall
- Shoot a vertical and a horizontal frame; tall falls often work better in portrait orientation.
- Use 1/4 to 1 second for a silky look; 1/500 s or faster freezes individual drops.
- A circular polarizer cuts glare on wet rocks and leaves and deepens greens — rotate it while watching the rocks, not the sky.
- Spring snowmelt and the days after heavy rain give the strongest flow; late summer flow can drop to a trickle.
- Look for a foreground: a mossy boulder, a fallen log or the creek's leading lines make a stronger frame than the falls alone.
- Scout in daylight if you plan to shoot at night or before sunrise.
Season: Peak flow is usually in late spring; autumn adds color around the falls, and winter can bring ice formations at colder locations.
Suggested gear: Tripod, Circular polarizer, 3–6 stop ND filter, Lens cloth, Waterproof footwear. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of Rock Bluff Falls, closest first.
Campgrounds nearby (Recreation.gov)
- Marion Lake Group Site14.0 km (8.7 mi) · reservable
- Sylvania (Clark Lake) Campground17.3 km (10.7 mi) · reservable
- Sylvania Wilderness Backcountry Camping17.3 km (10.7 mi) · reservable
- Clark Lake Pavilion17.3 km (10.7 mi) · reservable
- Langford Lake Boat Launch26 km (16 mi)
FAQ
When is the best time to photograph Rock Bluff Falls?
What time is golden hour at Rock Bluff Falls?
Where does the sun rise and set at Rock Bluff Falls?
Can you see the Milky Way from Rock Bluff Falls?
Do you need a permit to photograph at Rock Bluff Falls?
How far is Rock Bluff Falls from Eagle River?
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.