Rodeo Lagoon viewed from the trail on the southeast side of the lagoon. Streaks on the water are evidence of Langmuir circulation, a product of the prevailing w
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37.8308° N122.5310° W3 mBortle 7Los Angeles

Rodeo Lagoon Photography Guide

Lake in Marin County, California · 3 m (10 ft)

  • Bortle 7 sky
  • Sunset azimuth 241°–301°
  • Clearest: October
  • Milky Way Mar–Sep
Photo: Mmelugin · CC BY-SA 3.0 · source

Rodeo Lagoon — a lake in Marin County, California — is a popular subject for landscape photographers. It lies in or next to Golden Gate National Recreation Area, so park hours, fees and rules apply. It sits roughly 4.6 km (2.9 mi) SSW of Marin City.

Rodeo Lagoon is a coastal lagoon located in the Marin Headlands division of the Golden Gate National Recreation Area, which is in southern Marin County, California. This brackish water body is separated from the Pacific Ocean by a sand bar that forms Rodeo Beach. Rodeo Lagoon stretches approximately 900 metres (3,000 ft) by 250 metres (820 ft), and is about 2 metres (6.6 ft) deep at its maximum depth. It covers a surface area of about 15 hectares (37 acres).From the Wikipedia article “Rodeo Lagoon”, licensed under CC BY-SA 4.0.
Elevation
3 m
10 ft
Nearest town
Marin City
4.6 km (2.9 mi)
Sky darkness
Bortle 7
Suburban / urban transition
Clearest month
October
44% cloud
Milky Way peak
June
5.3 h window
Golden hour (Oct)
5:58 PM
sunset 6:34 PM

Light at Rodeo Lagoon

Live
Sunrise
7:24 AM
Sunset
6:27 PM
Golden hour AM
7:07 AM – 8:00 AM
Golden hour PM
5:51 PM – 6:43 PM
Blue hour AM
6:57 AM – 7:07 AM
Blue hour PM
6:43 PM – 6:54 PM
Full darkness
7:55 PM – 5:57 AM
Moon
Waxing Gibbous · 71%
Moonrise / set
3:37 PM / 1:37 AM
Day length
11h 03m
Sunrise azimuth
103°
Sunset azimuth
258°
000306091215182124
NightTwilightBlue hourGolden hourDaylight

Times in America/Los Angeles. Golden hour = sun −4° to +6°; blue hour = −6° to −4°.

Clouds at sunrise & sunset

NWS

Hourly sky cover from the National Weather Service. 20–60% cloud often gives the most colorful sunrises and sunsets.

Sunrise & sunset directions

At Rodeo Lagoon 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 76° in summer but only 29° in winter.

NESW60°30°
June solsticeEquinoxesDecember solstice
DateSunriseAzimuthSunsetAzimuthNoon sunDaylight
March equinox (Mar 20)7:14 AM90° E7:22 PM271° W52°12h 08m
June solstice (Jun 21)5:49 AM59° ENE8:36 PM301° WNW76°14h 47m
September equinox (Sep 22)6:59 AM89° E7:09 PM271° W52°12h 10m
December solstice (Dec 21)7:23 AM120° ESE4:55 PM241° WSW29°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

Lakes reflect best in calm air — usually the first hour after sunrise, before breezes ripple the surface.

Month (15th)Blue hour startsSunriseGolden hour endsGolden hour startsSunsetBlue hour endsDaylight
January6:56 AM7:25 AM8:05 AM4:35 PM5:15 PM5:44 PM9h 50m
February6:34 AM7:01 AM7:37 AM5:13 PM5:50 PM6:16 PM10h 49m
March6:56 AM7:22 AM7:57 AM6:43 PM7:18 PM7:44 PM11h 56m
April6:08 AM6:35 AM7:11 AM7:11 PM7:46 PM8:13 PM13h 11m
May5:32 AM6:01 AM6:38 AM7:36 PM8:14 PM8:43 PM14h 13m
June5:17 AM5:48 AM6:28 AM7:55 PM8:35 PM9:06 PM14h 46m
July5:30 AM6:01 AM6:39 AM7:54 PM8:33 PM9:03 PM14h 32m
August5:58 AM6:26 AM7:02 AM7:29 PM8:05 PM8:33 PM13h 38m
September6:26 AM6:53 AM7:27 AM6:45 PM7:20 PM7:46 PM12h 27m
October6:53 AM7:19 AM7:55 AM5:58 PM6:34 PM7:00 PM11h 15m
November6:23 AM6:51 AM7:30 AM4:21 PM5:00 PM5:28 PM10h 09m
December6:50 AM7:19 AM8:00 AM4:12 PM4:53 PM5:22 PM9h 34m

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 Rodeo Lagoon, 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.

MonthCore visible (15th)HoursMax altitudeDirection
JanuaryBelow 10° in darkness—-1°—
February5:08 AM – 5:28 AM0.313°SE → SE
March4:15 AM – 5:45 AM1.520°SE → SSE
April2:19 AM – 4:59 AM2.723°SE → S
May12:18 AM – 4:08 AM3.823°SE → S
June10:29 PM – 3:49 AM5.323°SE → SW
July10:22 PM – 2:22 AM4.023°SSE → SW
August9:42 PM – 12:22 AM2.723°S → SW
September8:48 PM – 10:18 PM1.520°SSW → SW
October8:01 PM – 8:21 PM0.313°SW → SW
NovemberBelow 10° in darkness—1°—
DecemberBelow 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 ≈ 18.62 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 (%)

JanFebMarAprMayJunJulAugSepOctNovDec
JanFebMarAprMayJunJulAugSepOctNovDec
High °F676976808788788594847865
Low °F364041434548515351473936
Precip. (in)3.43.72.91.60.60.20.10.10.11.02.24.4

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 lake

  • After sunset, long exposures smooth wind ripples into glass.
  • For mirror reflections, get low and close to the water; the reflection grows with a lower camera.
  • A polarizer can remove reflections to show the lakebed — or keep them, depending on rotation.
  • Mist often lifts off lakes on cold mornings after warm days, especially in autumn.
  • Include shoreline rocks, reeds or a log as foreground to give the reflection depth.
  • Check road and trail conditions with the managing agency before you go.

Season: Autumn mornings bring mist and fall color; high-elevation lakes are usually ice-free only from early summer to mid-autumn.

Suggested gear: Tripod, Circular polarizer, Wide-angle lens, Waterproof boots. Work out exposures with the depth of field, ND filter and NPF rule calculators.

Permits, drones & access

National Park Service rules. Under federal law (54 U.S.C. 100905), still photography in National Park Service areas needs a permit only when it (1) takes place where members of the public are not allowed, (2) uses models, sets or props that are not part of the location's natural or cultural resources or administrative facilities, or (3) would cause the park to incur additional administrative costs to monitor the activity. Ordinary visitor and most landscape photography needs no permit. Commercial filming rules are separate and have changed in recent years — confirm current requirements with the park before a paid shoot.

Drones: Launching, landing or operating unmanned aircraft (drones) is prohibited in National Park Service units under a 2014 Superintendent's closure (36 CFR 1.5), except where a park has issued specific written approval. Flying from outside the boundary over park land can also violate park rules and disturb wildlife.

Nearby photo spots

Other locations within 25 km of Rodeo Lagoon, closest first.

Campgrounds nearby (Recreation.gov)

FAQ

When is the best time to photograph Rodeo Lagoon?
October has the clearest skies on average; june is best for the milky way core. For light, plan around the first and last hour of sun. Autumn mornings bring mist and fall color; high-elevation lakes are usually ice-free only from early summer to mid-autumn.
What time is golden hour at Rodeo Lagoon?
In October the evening golden hour starts around 5:58 PM and ends after sunset at about 6:34 PM; the morning golden hour lasts until about 7:55 AM. Use the live widget above for exact times on any date.
Where does the sun rise and set at Rodeo Lagoon?
Sunrise azimuth ranges from about 59° in June to 120° in December; sunset ranges from 301° to 241°. See the sun-path diagram for the full arc.
Can you see the Milky Way from Rodeo Lagoon?
Yes — the core is visible from March to September on moonless nights. The estimated sky quality is Bortle 7 (suburban / urban transition).
Do you need a permit to photograph at Rodeo Lagoon?
Personal still photography needs no permit in National Park Service areas unless you use models, sets or props, enter closed areas, or the shoot creates extra costs for the park. Drones are prohibited.
How far is Rodeo Lagoon from Marin City?
About 4.6 km (2.9 mi) in a straight line; driving distance is usually longer, especially in mountain terrain.

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.