Mount Thielsen Wilderness — a wilderness area in Douglas County, Oregon — is a lesser-known subject for landscape photographers. It is part of Umpqua National Forest. The nearest town is Deschutes River Woods, about 102 km (63 mi) away (Mount Thielsen Wilderness lies SSW of town).
The Mount Thielsen Wilderness is a wilderness area located on and around Mount Thielsen in the southern Cascade Range of Oregon in the United States. It is located within the Deschutes, Umpqua, and Fremont–Winema national forests. It was established by the United States Congress in 1984 and comprises 55,100 acres (22,300 ha).From the Wikipedia article “Mount Thielsen Wilderness”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Mount Thielsen Wilderness the sunrise point swings a long way through the year: about 56° (NE) at the June solstice and 122° (ESE) in late December. Sunset moves from 304° (NW) in June to 238° (WSW) in December, and the midday sun climbs to 70° in summer but only 23° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:12 AM | 90° E | 7:21 PM | 271° W | 47° | 12h 08m |
| June solstice (Jun 21) | 5:29 AM | 56° NE | 8:52 PM | 304° NW | 70° | 15h 23m |
| September equinox (Sep 22) | 6:56 AM | 89° E | 7:07 PM | 271° W | 47° | 12h 11m |
| December solstice (Dec 21) | 7:38 AM | 122° ESE | 4:36 PM | 238° WSW | 23° | 8h 59m |
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
Wilderness areas reward those who camp: being on location at sunrise and in the dark is the main advantage over day visitors.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 7:06 AM | 7:38 AM | 8:22 AM | 4:14 PM | 4:58 PM | 5:30 PM | 9h 21m |
| February | 6:38 AM | 7:07 AM | 7:47 AM | 4:59 PM | 5:39 PM | 6:09 PM | 10h 33m |
| March | 6:53 AM | 7:21 AM | 7:59 AM | 6:37 PM | 7:15 PM | 7:43 PM | 11h 54m |
| April | 5:57 AM | 6:26 AM | 7:05 AM | 7:13 PM | 7:51 PM | 8:20 PM | 13h 24m |
| May | 5:12 AM | 5:45 AM | 6:26 AM | 7:44 PM | 8:25 PM | 8:58 PM | 14h 40m |
| June | 4:53 AM | 5:28 AM | 6:12 AM | 8:07 PM | 8:50 PM | 9:26 PM | 15h 22m |
| July | 5:08 AM | 5:42 AM | 6:25 AM | 8:04 PM | 8:47 PM | 9:21 PM | 15h 04m |
| August | 5:44 AM | 6:14 AM | 6:54 AM | 7:33 PM | 8:12 PM | 8:43 PM | 13h 58m |
| September | 6:20 AM | 6:48 AM | 7:26 AM | 6:42 PM | 7:20 PM | 7:48 PM | 12h 31m |
| October | 6:54 AM | 7:22 AM | 8:01 AM | 5:48 PM | 6:27 PM | 6:55 PM | 11h 04m |
| November | 6:31 AM | 7:02 AM | 7:45 AM | 4:02 PM | 4:45 PM | 5:16 PM | 9h 43m |
| December | 7:02 AM | 7:34 AM | 8:20 AM | 3:48 PM | 4:34 PM | 5:07 PM | 9h 00m |
Local time (America/Los Angeles), 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 Mount Thielsen Wilderness, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 3.8 hours on a moonless night), and the core peaks around 18° 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 | — | -4° | — |
| February | Below 10° in darkness | — | 9° | — |
| March | 4:50 AM – 5:40 AM | 0.8 | 14° | SSE → SSE |
| April | 2:54 AM – 4:34 AM | 1.7 | 17° | SSE → S |
| May | 12:57 AM – 3:37 AM | 2.7 | 18° | SSE → S |
| June | 11:10 PM – 3:00 AM | 3.8 | 18° | SSE → SSW |
| July | 10:57 PM – 1:47 AM | 2.8 | 18° | S → SSW |
| August | 10:02 PM – 11:42 PM | 1.7 | 17° | S → SSW |
| September | 8:57 PM – 9:37 PM | 0.7 | 14° | SSW → SSW |
| October | Below 10° in darkness | — | 9° | — |
| November | Below 10° in darkness | — | -2° | — |
| 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 7.0+ 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 25% average cloud cover) and December as the cloudiest (75%). August 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 | 64 | 64 | 70 | 78 | 87 | 94 | 103 | 99 | 96 | 86 | 74 | 58 |
| Low °F | 1 | -1 | 5 | 11 | 24 | 31 | 36 | 37 | 31 | 21 | 0 | -1 |
| Precip. (in) | 6.6 | 5.3 | 5.9 | 4.4 | 2.9 | 1.8 | 0.4 | 0.5 | 1.7 | 3.6 | 6.7 | 8.5 |
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 wilderness area
- Practice Leave No Trace — camp on durable surfaces away from lakes and streams.
- Pack weight matters: a single zoom and a light tripod cover most situations.
- Night skies are often among the darkest in the country.
- Motorized and mechanized equipment, including drones, is prohibited in designated wilderness.
- Group size limits and permits may apply; check with the managing agency.
- Check road and trail conditions with the managing agency before you go.
Season: Most high wilderness is snow-free from July to September; lower deserts are best in spring and autumn.
Suggested gear: Lightweight tripod, Spare batteries, Headlamp, Navigation. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Permits, drones & access
Drones: Drones may not take off from or land in federally designated wilderness, where mechanized equipment is prohibited under the Wilderness Act.
Nearby photo spots
Other locations within 40 km of Mount Thielsen Wilderness, closest first.
Lake
Mountain Peak
Mountain Peak
Lake
Mountain Peak
Waterfall
Volcano
National ForestVolcanoCampgrounds nearby (Recreation.gov)
- Diamond Lake11.2 km (7.0 mi) · reservable
- South Shore Pavilion13.2 km (8.2 mi) · reservable
- Thielsen View Campground13.3 km (8.3 mi) · reservable
- Broken Arrow Campground13.8 km (8.6 mi) · reservable
- Kelsay Valley Horse Camp14.0 km (8.7 mi) · reservable
FAQ
When is the best time to photograph Mount Thielsen Wilderness?
What time is golden hour at Mount Thielsen Wilderness?
Where does the sun rise and set at Mount Thielsen Wilderness?
Can you see the Milky Way from Mount Thielsen Wilderness?
Do you need a permit to photograph at Mount Thielsen Wilderness?
How far is Mount Thielsen Wilderness from Deschutes River Woods?
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.