Mount Sylvania is a mountain peak in Multnomah County, Oregon at about 290 m (951 ft) above sea level. The nearest town is Metzger, about 3.1 km (1.9 mi) away (Mount Sylvania lies ESE of town).
Mount Sylvania is an extinct volcano, part of the Boring Lava Field, on the outskirts of Portland, Oregon. Parts of the mountain are within the cities of Portland, Lake Oswego, and Tigard. The Sylvania campus of Portland Community College is located on the mountain's western slopes.From the Wikipedia article “Mount Sylvania”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Mount Sylvania the sunrise point swings a long way through the year: about 55° (NE) at the June solstice and 124° (ESE) in late December. Sunset moves from 306° (NW) in June to 237° (WSW) in December, and the midday sun climbs to 68° in summer but only 21° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:15 AM | 89° E | 7:24 PM | 271° W | 44° | 12h 09m |
| June solstice (Jun 21) | 5:23 AM | 55° NE | 9:04 PM | 306° NW | 68° | 15h 41m |
| September equinox (Sep 22) | 6:59 AM | 89° E | 7:10 PM | 271° W | 45° | 12h 12m |
| December solstice (Dec 21) | 7:49 AM | 124° ESE | 4:31 PM | 237° WSW | 21° | 8h 42m |
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
Summits catch first and last light — alpenglow can turn rock pink or orange minutes before sunrise and after sunset while valleys stay in shadow.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 7:15 AM | 7:48 AM | 8:35 AM | 4:07 PM | 4:54 PM | 5:27 PM | 9h 07m |
| February | 6:43 AM | 7:13 AM | 7:55 AM | 4:57 PM | 5:38 PM | 6:09 PM | 10h 25m |
| March | 6:55 AM | 7:24 AM | 8:03 AM | 6:38 PM | 7:17 PM | 7:46 PM | 11h 53m |
| April | 5:55 AM | 6:26 AM | 7:06 AM | 7:17 PM | 7:57 PM | 8:28 PM | 13h 31m |
| May | 5:07 AM | 5:41 AM | 6:24 AM | 7:52 PM | 8:35 PM | 9:10 PM | 14h 54m |
| June | 4:45 AM | 5:23 AM | 6:08 AM | 8:16 PM | 9:02 PM | 9:40 PM | 15h 39m |
| July | 5:01 AM | 5:38 AM | 6:22 AM | 8:13 PM | 8:57 PM | 9:34 PM | 15h 20m |
| August | 5:40 AM | 6:13 AM | 6:53 AM | 7:39 PM | 8:20 PM | 8:52 PM | 14h 07m |
| September | 6:20 AM | 6:50 AM | 7:29 AM | 6:45 PM | 7:24 PM | 7:54 PM | 12h 34m |
| October | 6:58 AM | 7:28 AM | 8:08 AM | 5:47 PM | 6:27 PM | 6:57 PM | 10h 59m |
| November | 6:39 AM | 7:11 AM | 7:56 AM | 3:57 PM | 4:42 PM | 5:14 PM | 9h 31m |
| December | 7:11 AM | 7:45 AM | 8:34 AM | 3:40 PM | 4:29 PM | 5:03 PM | 8h 44m |
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 Sylvania, the Milky Way core is visible in a dark sky from April through August. June gives the longest window (about 3.0 hours on a moonless night), and the core peaks around 16° above the southern horizon. Our light-pollution model puts the sky at about Bortle 8 (city sky), so expect visible sky glow; drive away from towns for better results.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -4° | — |
| February | Below 10° in darkness | — | 7° | — |
| March | 5:16 AM – 5:36 AM | 0.3 | 12° | SSE → SSE |
| April | 3:16 AM – 4:26 AM | 1.2 | 15° | SSE → SSE |
| May | 1:16 AM – 3:26 AM | 2.2 | 16° | SSE → S |
| June | 11:39 PM – 2:39 AM | 3.0 | 16° | SSE → SSW |
| July | 11:22 PM – 1:22 AM | 2.0 | 16° | S → SSW |
| August | 10:17 PM – 11:27 PM | 1.2 | 14° | SSW → SSW |
| September | 9:06 PM – 9:26 PM | 0.3 | 12° | SSW → SSW |
| October | Below 10° in darkness | — | 7° | — |
| 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: 8 Bortle 8 — City sky. Only bright constellations are visible; the sky glows orange or white. Modeled zenith brightness ≈ 18.27 mag/arcsec². Aurora needs roughly Kp 6.0+ 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 39% average cloud cover) and December as the cloudiest (80%). 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 | 62 | 66 | 74 | 84 | 93 | 100 | 105 | 104 | 101 | 87 | 67 | 61 |
| Low °F | 8 | 15 | 22 | 27 | 33 | 39 | 45 | 44 | 36 | 24 | 15 | 10 |
| Precip. (in) | 8.4 | 6.1 | 6.8 | 4.8 | 3.1 | 2.2 | 0.4 | 0.7 | 2.3 | 5.3 | 8.6 | 9.7 |
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 mountain peak
- Photograph the peak from a lake, meadow or ridge at sunrise when the face that looks east lights up first.
- Long lenses compress ridgelines; shoot the peak from several miles away to make it look massive.
- Afternoon thunderstorms are common in summer at high elevations — plan summit hikes for early morning.
- Snow on the summit holds detail best when you expose for the highlights and lift shadows later.
- Scout in daylight if you plan to shoot at night or before sunrise.
Season: Early summer keeps snow on the peaks with green valleys below; autumn adds aspen or larch color in many ranges.
Suggested gear: Telephoto lens, Lightweight tripod, Warm layers, Microspikes in shoulder seasons. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of Mount Sylvania, closest first.
State Park
Botanical Garden
Botanical Garden
Botanical Garden
Beach
Botanical GardenBeach
National Wildlife Refuge
Mountain PeakFAQ
When is the best time to photograph Mount Sylvania?
What time is golden hour at Mount Sylvania?
Where does the sun rise and set at Mount Sylvania?
Can you see the Milky Way from Mount Sylvania?
Do you need a permit to photograph at Mount Sylvania?
How far is Mount Sylvania from Metzger?
Sources
Location data: Wikidata, USGS GNIS / GeoNames, 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.