Emmons Glacier is a glacier in Pierce County, Washington at about 2,638 m (8,655 ft) above sea level. It lies in or next to Mount Rainier National Park, so park hours, fees and rules apply. The nearest town is Crocker, about 38 km (24 mi) away (Emmons Glacier lies SE of town).
Emmons Glacier is on the northeast flank of Mount Rainier, in Washington. At 4.3 sq mi (11 km2), it has the largest surface area of any glacier in the contiguous United States. The glacier was named after the geologist Samuel Franklin Emmons after his involvement in a survey of Mount Rainier in 1870. Starting at an elevation of over 13,800 ft (4,200 m), the Emmons glacier flows down eastward. Near the Disappointment Cleaver at 12,200 ft (3,700 m), the Emmons is joined by the Ingraham Glacier flowing to the south. The glaciers flow together and remain connected until they split up upon reaching the wedge of Little Tahoma Peak. As the Emmons flows northeast, the massive glacier descends until it reaches its rocky lower terminus at about 5,100 ft (1,600 m) in elevation.From the Wikipedia article “Emmons Glacier”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Emmons Glacier the sunrise point swings a long way through the year: about 54° (NE) at the June solstice and 125° (SE) in late December. Sunset moves from 307° (NW) in June to 236° (SW) in December, and the midday sun climbs to 67° in summer but only 20° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:11 AM | 89° E | 7:20 PM | 271° W | 43° | 12h 09m |
| June solstice (Jun 21) | 5:13 AM | 54° NE | 9:06 PM | 307° NW | 67° | 15h 53m |
| September equinox (Sep 22) | 6:54 AM | 89° E | 7:06 PM | 271° W | 43° | 12h 12m |
| December solstice (Dec 21) | 7:50 AM | 125° SE | 4:22 PM | 236° SW | 20° | 8h 31m |
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
Ice shows its blue best under overcast skies or in shade; bright sun turns glaciers white and flat.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 7:14 AM | 7:48 AM | 8:37 AM | 3:56 PM | 4:45 PM | 5:20 PM | 8h 57m |
| February | 6:41 AM | 7:12 AM | 7:55 AM | 4:49 PM | 5:32 PM | 6:03 PM | 10h 20m |
| March | 6:50 AM | 7:21 AM | 8:01 AM | 6:33 PM | 7:13 PM | 7:43 PM | 11h 52m |
| April | 5:48 AM | 6:20 AM | 7:01 AM | 7:14 PM | 7:55 PM | 8:27 PM | 13h 35m |
| May | 4:57 AM | 5:33 AM | 6:17 AM | 7:51 PM | 8:35 PM | 9:11 PM | 15h 03m |
| June | 4:33 AM | 5:13 AM | 6:00 AM | 8:16 PM | 9:04 PM | 9:43 PM | 15h 51m |
| July | 4:50 AM | 5:28 AM | 6:14 AM | 8:13 PM | 8:59 PM | 9:37 PM | 15h 30m |
| August | 5:32 AM | 6:05 AM | 6:47 AM | 7:37 PM | 8:19 PM | 8:52 PM | 14h 14m |
| September | 6:15 AM | 6:45 AM | 7:25 AM | 6:41 PM | 7:21 PM | 7:51 PM | 12h 35m |
| October | 6:55 AM | 7:25 AM | 8:07 AM | 5:40 PM | 6:21 PM | 6:52 PM | 10h 56m |
| November | 6:38 AM | 7:11 AM | 7:57 AM | 3:47 PM | 4:34 PM | 5:07 PM | 9h 23m |
| December | 7:11 AM | 7:46 AM | 8:38 AM | 3:28 PM | 4:20 PM | 4:55 PM | 8h 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 Emmons Glacier, the Milky Way core is visible in a dark sky from April through August. June gives the longest window (about 2.3 hours on a moonless night), and the core peaks around 14° above the southern horizon. Our light-pollution model puts the sky at about Bortle 3 (rural sky), good enough for detailed Milky Way images.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -5° | — |
| February | Below 10° in darkness | — | 6° | — |
| March | 5:24 AM – 5:34 AM | 0.2 | 11° | SSE → SSE |
| April | 3:27 AM – 4:17 AM | 0.8 | 13° | SSE → SSE |
| May | 1:33 AM – 3:03 AM | 1.5 | 14° | SSE → S |
| June | 11:55 PM – 2:15 AM | 2.3 | 14° | SSE → SSW |
| July | 11:32 PM – 1:12 AM | 1.7 | 14° | S → SSW |
| August | 10:20 PM – 11:10 PM | 0.8 | 13° | SSW → SSW |
| September | 9:05 PM – 9:05 PM | 0.0 | 10° | SSW → SSW |
| October | Below 10° in darkness | — | 5° | — |
| November | Below 10° in darkness | — | -4° | — |
| 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: 3 Bortle 3 — Rural sky. Some light domes sit on the horizon, but the Milky Way still looks complex overhead. Modeled zenith brightness ≈ 21.32 mag/arcsec². Aurora needs roughly Kp 5.0+ 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 29% average cloud cover) and January 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 | 55 | 54 | 64 | 73 | 82 | 92 | 93 | 94 | 92 | 81 | 59 | 47 |
| Low °F | -12 | -9 | 0 | 14 | 24 | 30 | 34 | 37 | 27 | 14 | -11 | -5 |
| Precip. (in) | 6.2 | 4.4 | 4.7 | 3.1 | 2.5 | 1.7 | 0.5 | 0.7 | 1.6 | 3.9 | 6.1 | 6.7 |
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 glacier
- Expose carefully: ice and snow fool meters into underexposure, so add +1 to +2 stops.
- A polarizer deepens the blue of glacial ice and the turquoise of meltwater lakes.
- Include a person or boat for scale — glaciers are much larger than they look.
- Boat tours to tidewater glaciers offer calving shots; use fast shutter speeds and a telephoto.
- Tell someone where you're going in remote areas and carry the ten essentials.
Season: Summer offers access; late summer exposes the most bare ice before new snow.
Suggested gear: Telephoto lens, Polarizer, Waterproof shell, Spare batteries (cold drains them). 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 Emmons Glacier, closest first.
Wilderness Area
Mountain Peak
Glacier
Glacier
Glacier
Glacier
Glacier
Volcano
Mountain PeakCampgrounds nearby (Recreation.gov)
- White River Campground7.3 km (4.5 mi) · reservable
- Cougar Rock Campground12.1 km (7.5 mi) · reservable
- Cougar Rock Group Campground12.1 km (7.5 mi) · reservable
- Ohanapecosh Campground18.4 km (11.4 mi) · reservable
- Ohanapecosh Group Campground18.4 km (11.4 mi) · reservable
FAQ
When is the best time to photograph Emmons Glacier?
What time is golden hour at Emmons Glacier?
Where does the sun rise and set at Emmons Glacier?
Can you see the Milky Way from Emmons Glacier?
Do you need a permit to photograph at Emmons Glacier?
How far is Emmons Glacier from Crocker?
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.