Marin Islands National Wildlife Refuge — a national wildlife refuge in Marin County, California — is a rewarding subject for landscape photographers. The nearest town is San Rafael, about 5.1 km (3.2 mi) away (Marin Islands National Wildlife Refuge lies E of town).
Sunrise & sunset directions
At Marin Islands National Wildlife Refuge the sunrise point swings a long way through the year: about 59° (ENE) at the June solstice and 120° (ESE) in late December. Sunset moves from 301° (WNW) in June to 241° (WSW) in December, and the midday sun climbs to 75° in summer but only 29° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:14 AM | 90° E | 7:22 PM | 271° W | 52° | 12h 08m |
| June solstice (Jun 21) | 5:48 AM | 59° ENE | 8:36 PM | 301° WNW | 75° | 14h 48m |
| September equinox (Sep 22) | 6:58 AM | 89° E | 7:08 PM | 271° W | 52° | 12h 10m |
| December solstice (Dec 21) | 7:23 AM | 120° ESE | 4:55 PM | 241° WSW | 29° | 9h 32m |
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 | 6:56 AM | 7:25 AM | 8:05 AM | 4:35 PM | 5:15 PM | 5:43 PM | 9h 49m |
| February | 6:34 AM | 7:01 AM | 7:37 AM | 5:13 PM | 5:49 PM | 6:16 PM | 10h 48m |
| March | 6:56 AM | 7:22 AM | 7:57 AM | 6:43 PM | 7:17 PM | 7:44 PM | 11h 56m |
| April | 6:08 AM | 6:35 AM | 7:10 AM | 7:11 PM | 7:46 PM | 8:13 PM | 13h 11m |
| May | 5:31 AM | 6:00 AM | 6:38 AM | 7:36 PM | 8:14 PM | 8:43 PM | 14h 13m |
| June | 5:16 AM | 5:48 AM | 6:27 AM | 7:56 PM | 8:35 PM | 9:06 PM | 14h 47m |
| July | 5:29 AM | 6:00 AM | 6:38 AM | 7:54 PM | 8:33 PM | 9:03 PM | 14h 33m |
| August | 5:58 AM | 6:26 AM | 7:02 AM | 7:29 PM | 8:05 PM | 8:33 PM | 13h 39m |
| September | 6:26 AM | 6:53 AM | 7:27 AM | 6:45 PM | 7:19 PM | 7:46 PM | 12h 27m |
| October | 6:53 AM | 7:19 AM | 7:55 AM | 5:58 PM | 6:34 PM | 7:00 PM | 11h 14m |
| November | 6:23 AM | 6:51 AM | 7:30 AM | 4:21 PM | 4:59 PM | 5:27 PM | 10h 08m |
| December | 6:50 AM | 7:20 AM | 8:01 AM | 4:11 PM | 4:52 PM | 5:22 PM | 9h 33m |
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 Marin Islands National Wildlife Refuge, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 5.3 hours on a moonless night), and the core peaks around 23° above the southern horizon. Our light-pollution model puts the sky at about Bortle 7 (suburban / urban transition), 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 | — | -1° | — |
| February | 5:08 AM – 5:28 AM | 0.3 | 13° | SE → SE |
| March | 4:15 AM – 5:45 AM | 1.5 | 19° | SE → SSE |
| April | 2:20 AM – 5:00 AM | 2.7 | 23° | SE → S |
| May | 12:19 AM – 4:09 AM | 3.8 | 23° | SE → SSW |
| June | 10:31 PM – 3:51 AM | 5.3 | 23° | SE → SW |
| July | 10:24 PM – 2:24 AM | 4.0 | 23° | SSE → SW |
| August | 9:43 PM – 12:23 AM | 2.7 | 23° | S → SW |
| September | 8:49 PM – 10:19 PM | 1.5 | 20° | SSW → SW |
| October | 8:01 PM – 8:21 PM | 0.3 | 13° | SW → SW |
| November | Below 10° in darkness | — | 1° | — |
| December | Below 10° in darkness | — | -19° | — |
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: 7 Bortle 7 — Suburban / urban transition. The whole sky has a grey-white glow; the Milky Way is invisible to the eye. Modeled zenith brightness ≈ 18.76 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show October as the clearest month (about 44% average cloud cover) and December as the cloudiest (59%). September 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 | 67 | 69 | 76 | 80 | 87 | 88 | 78 | 85 | 94 | 84 | 78 | 65 |
| Low °F | 36 | 40 | 41 | 43 | 45 | 48 | 51 | 53 | 51 | 47 | 39 | 36 |
| Precip. (in) | 3.4 | 3.7 | 2.9 | 1.6 | 0.6 | 0.2 | 0.1 | 0.1 | 0.1 | 1.0 | 2.2 | 4.4 |
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
- 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.
- Scout in daylight if you plan to shoot at night or before sunrise.
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 Marin Islands National Wildlife Refuge, closest first.
State Park
Lighthouse
Ghost Town
Mountain Peak
Waterfall
Mountain Peak
Lake
Botanical Garden
LighthouseCampgrounds nearby (Recreation.gov)
- Hawk Campground13.5 km (8.4 mi) · reservable
- Haypress Campground13.7 km (8.5 mi) · reservable
- Kirby Cove Campground14.5 km (9.0 mi) · reservable
- Bicentennial Campground16.1 km (10.0 mi) · reservable
- Aquatic Park Cove, Black Point Overnight Anchoring, Sailing Vessels Only (Auxiliary Engine Ok)18.4 km (11.4 mi) · reservable
FAQ
When is the best time to photograph Marin Islands National Wildlife Refuge?
What time is golden hour at Marin Islands National Wildlife Refuge?
Where does the sun rise and set at Marin Islands National Wildlife Refuge?
Can you see the Milky Way from Marin Islands National Wildlife Refuge?
Do you need a permit to photograph at Marin Islands National Wildlife Refuge?
How far is Marin Islands National Wildlife Refuge from San Rafael?
Sources
Location data: Wikidata. 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.