Prospectors Mountain is a mountain peak in Teton County, Wyoming at about 3,417 m (11,211 ft) above sea level. It lies in or next to Grand Teton National Park, so park hours, fees and rules apply. It sits roughly 13.8 km (8.6 mi) N of Moose Wilson Road.
Prospectors Mountain (11,246 feet (3,428 m)) is a mountain in the Teton Range, located within Grand Teton National Park in the U.S. state of Wyoming. Prospectors Mountain rises to the south above Rimrock Lake and Death Canyon.From the Wikipedia article “Prospectors Mountain”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Prospectors Mountain the sunrise point swings a long way through the year: about 56° (NE) at the June solstice and 123° (ESE) in late December. Sunset moves from 304° (NW) in June to 238° (WSW) in December, and the midday sun climbs to 70° in summer but only 23° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:27 AM | 90° E | 7:36 PM | 271° W | 46° | 12h 08m |
| June solstice (Jun 21) | 5:43 AM | 56° NE | 9:09 PM | 304° NW | 70° | 15h 27m |
| September equinox (Sep 22) | 7:11 AM | 89° E | 7:23 PM | 271° W | 47° | 12h 11m |
| December solstice (Dec 21) | 7:55 AM | 123° ESE | 4:50 PM | 238° WSW | 23° | 8h 56m |
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 | 7:23 AM | 7:55 AM | 8:40 AM | 4:27 PM | 5:12 PM | 5:44 PM | 9h 18m |
| February | 6:54 AM | 7:23 AM | 8:03 AM | 5:14 PM | 5:54 PM | 6:23 PM | 10h 31m |
| March | 7:08 AM | 7:36 AM | 8:14 AM | 6:52 PM | 7:30 PM | 7:58 PM | 11h 53m |
| April | 6:11 AM | 6:41 AM | 7:20 AM | 7:28 PM | 8:07 PM | 8:37 PM | 13h 26m |
| May | 5:26 AM | 5:59 AM | 6:41 AM | 8:01 PM | 8:42 PM | 9:15 PM | 14h 43m |
| June | 5:06 AM | 5:42 AM | 6:26 AM | 8:24 PM | 9:07 PM | 9:43 PM | 15h 25m |
| July | 5:22 AM | 5:56 AM | 6:39 AM | 8:21 PM | 9:04 PM | 9:38 PM | 15h 07m |
| August | 5:58 AM | 6:29 AM | 7:08 AM | 7:49 PM | 8:29 PM | 9:00 PM | 14h 00m |
| September | 6:35 AM | 7:04 AM | 7:41 AM | 6:58 PM | 7:36 PM | 8:04 PM | 12h 32m |
| October | 7:09 AM | 7:38 AM | 8:17 AM | 6:02 PM | 6:41 PM | 7:10 PM | 11h 03m |
| November | 6:47 AM | 7:18 AM | 8:02 AM | 4:16 PM | 4:59 PM | 5:30 PM | 9h 41m |
| December | 7:18 AM | 7:51 AM | 8:38 AM | 4:01 PM | 4:48 PM | 5:21 PM | 8h 57m |
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 Prospectors Mountain, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 3.7 hours on a moonless night), and the core peaks around 17° above the southern horizon. Our light-pollution model puts the sky at about Bortle 2 (typical truly dark site), which is excellent for astrophotography.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -4° | — |
| February | Below 10° in darkness | — | 8° | — |
| March | 5:15 AM – 5:55 AM | 0.7 | 14° | SSE → SSE |
| April | 3:11 AM – 4:51 AM | 1.7 | 17° | SSE → S |
| May | 1:15 AM – 3:45 AM | 2.5 | 17° | SSE → S |
| June | 11:30 PM – 3:10 AM | 3.7 | 17° | SSE → SSW |
| July | 11:17 PM – 1:57 AM | 2.7 | 17° | S → SSW |
| August | 10:20 PM – 11:50 PM | 1.5 | 16° | S → SSW |
| September | 9:13 PM – 9:53 PM | 0.7 | 14° | SSW → SSW |
| October | Below 10° in darkness | — | 8° | — |
| November | Below 10° in darkness | — | -2° | — |
| 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: 2 Bortle 2 — Typical truly dark site. The summer Milky Way shows rich structure; clouds look like black holes in the stars. Modeled zenith brightness ≈ 21.87 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 38% average cloud cover) and December as the cloudiest (71%). 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 | 33 | 33 | 52 | 69 | 78 | 85 | 92 | 89 | 83 | 74 | 57 | 37 |
| Low °F | -32 | -31 | -23 | -10 | 5 | 22 | 28 | 29 | 18 | -3 | -19 | -27 |
| Precip. (in) | 2.6 | 2.6 | 2.3 | 2.5 | 2.4 | 2.0 | 1.0 | 1.2 | 1.8 | 2.0 | 2.4 | 2.9 |
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
- 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.
- Alpenglow lasts only a few minutes; set up and focus beforehand.
- Clouds around the summit add drama — a clear blue sky is often the least interesting condition.
- Bring a spare battery — cold weather and long exposures drain them fast.
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.
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 Prospectors Mountain, closest first.
Canyon
Canyon
Canyon
Mountain Pass
Lake
Mountain Pass
Mountain PeakMountain Pass
Mountain PeakCampgrounds nearby (Recreation.gov)
- Teton Canyon13.2 km (8.2 mi) · reservable
- Reunion Flat14.6 km (9.1 mi) · reservable
- Gros Ventre Campground14.8 km (9.2 mi) · reservable
- Jenny Lake Campground15.5 km (9.7 mi) · reservable
- Trail Creek19.6 km (12.2 mi) · reservable
FAQ
When is the best time to photograph Prospectors Mountain?
What time is golden hour at Prospectors Mountain?
Where does the sun rise and set at Prospectors Mountain?
Can you see the Milky Way from Prospectors Mountain?
Do you need a permit to photograph at Prospectors Mountain?
How far is Prospectors Mountain from Moose Wilson Road?
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.