Located in Hinsdale County, Colorado, Emerald Lake is a lake at about 3,060 m (10,039 ft) above sea level. The nearest town is Bayfield, about 39 km (24 mi) away (Emerald Lake lies NNE of town).
Emerald Lake is an alpine lake in Hinsdale County, Colorado, located in the Weminuche Wilderness of the San Juan National Forest near the Continental Divide. The Lake can be accessed by the Lake Fork trail #528. The lake is stocked with salmon.From the Wikipedia article “Emerald Lake (San Juan National Forest)”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Emerald Lake 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.
| 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) | 5:50 AM | 59° ENE | 8:35 PM | 301° WNW | 76° | 14h 46m |
| September equinox (Sep 22) | 6:58 AM | 89° E | 7:08 PM | 271° W | 53° | 12h 10m |
| December solstice (Dec 21) | 7:22 AM | 120° ESE | 4:56 PM | 241° WSW | 29° | 9h 34m |
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 starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 6:56 AM | 7:24 AM | 8:04 AM | 4:36 PM | 5:16 PM | 5:44 PM | 9h 51m |
| February | 6:33 AM | 7:00 AM | 7:36 AM | 5:13 PM | 5:50 PM | 6:16 PM | 10h 49m |
| March | 6:56 AM | 7:22 AM | 7:56 AM | 6:43 PM | 7:17 PM | 7:43 PM | 11h 56m |
| April | 6:08 AM | 6:36 AM | 7:11 AM | 7:10 PM | 7:45 PM | 8:12 PM | 13h 10m |
| May | 5:32 AM | 6:01 AM | 6:39 AM | 7:35 PM | 8:13 PM | 8:42 PM | 14h 11m |
| June | 5:18 AM | 5:49 AM | 6:28 AM | 7:54 PM | 8:33 PM | 9:05 PM | 14h 45m |
| July | 5:31 AM | 6:01 AM | 6:39 AM | 7:53 PM | 8:32 PM | 9:02 PM | 14h 31m |
| August | 5:59 AM | 6:27 AM | 7:02 AM | 7:28 PM | 8:04 PM | 8:32 PM | 13h 37m |
| September | 6:26 AM | 6:53 AM | 7:27 AM | 6:45 PM | 7:19 PM | 7:46 PM | 12h 27m |
| October | 6:52 AM | 7:19 AM | 7:54 AM | 5:59 PM | 6:34 PM | 7:00 PM | 11h 15m |
| November | 6:23 AM | 6:50 AM | 7:29 AM | 4:22 PM | 5:00 PM | 5:28 PM | 10h 10m |
| December | 6:49 AM | 7:18 AM | 7:59 AM | 4:13 PM | 4:53 PM | 5:23 PM | 9h 35m |
Local time (America/Denver), 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 Emerald Lake, 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 24° 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 | — | -1° | — |
| February | 5:08 AM – 5:28 AM | 0.3 | 13° | SE → SE |
| March | 4:15 AM – 5:45 AM | 1.5 | 20° | SE → SSE |
| April | 2:18 AM – 4:58 AM | 2.7 | 23° | SE → S |
| May | 12:17 AM – 4:07 AM | 3.8 | 24° | SE → S |
| June | 10:27 PM – 3:47 AM | 5.3 | 24° | SE → SSW |
| July | 10:21 PM – 2:21 AM | 4.0 | 24° | SSE → SW |
| August | 9:41 PM – 12:21 AM | 2.7 | 23° | S → SW |
| September | 8:48 PM – 10:18 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: 1 Bortle 1 — Excellent dark-sky site. The Milky Way casts faint shadows; zodiacal light and airglow are obvious. Modeled zenith brightness ≈ 21.92 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show June as the clearest month (about 36% average cloud cover) and July as the cloudiest (55%). 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 | 48 | 52 | 61 | 69 | 81 | 85 | 87 | 83 | 82 | 71 | 62 | 50 |
| Low °F | -31 | -20 | -13 | -3 | 11 | 23 | 33 | 32 | 13 | 2 | -20 | -28 |
| Precip. (in) | 1.9 | 2.0 | 1.4 | 1.7 | 1.4 | 0.7 | 2.2 | 2.2 | 2.4 | 1.8 | 1.8 | 2.2 |
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.
Nearby photo spots
Other locations within 25 km of Emerald Lake, closest first.
Wilderness Area
Mountain Peak
Mountain Peak
Mountain Peak
Mountain Peak
Mountain Peak
Mountain Peak
National Forest
Scenic ViewpointCampgrounds nearby (Recreation.gov)
- Vallecito Campground12.2 km (7.6 mi) · reservable
- Pine River12.9 km (8.0 mi) · reservable
- Middle Mountain17.9 km (11.1 mi) · reservable
- Pine Point (Vallecito Reservoir, Co)18.7 km (11.6 mi) · reservable
- North Canyon Campground19.5 km (12.1 mi) · reservable
FAQ
When is the best time to photograph Emerald Lake?
What time is golden hour at Emerald Lake?
Where does the sun rise and set at Emerald Lake?
Can you see the Milky Way from Emerald Lake?
Do you need a permit to photograph at Emerald Lake?
How far is Emerald Lake from Bayfield?
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.