Located in Hoonah-Angoon Census Area, Alaska, Mount Bertha is a mountain peak at about 2,873 m (9,426 ft) above sea level. It lies in or next to Glacier Bay National Park & Preserve, so park hours, fees and rules apply. The nearest town is Juneau, about 157 km (98 mi) away (Mount Bertha lies WNW of town).
Mount Bertha is a 10,204-foot (3,110-meter) glaciated mountain summit located in the Fairweather Range of the Saint Elias Mountains, in southeast Alaska, United States.From the Wikipedia article “Mount Bertha”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Mount Bertha the sunrise point swings a long way through the year: about 38° (NE) at the June solstice and 138° (SE) in late December. Sunset moves from 322° (NW) in June to 222° (SW) in December, and the midday sun climbs to 55° in summer but only 8° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:10 AM | 89° E | 7:22 PM | 271° W | 31° | 12h 12m |
| June solstice (Jun 21) | 3:59 AM | 38° NE | 10:23 PM | 322° NW | 55° | 18h 24m |
| September equinox (Sep 22) | 6:54 AM | 88° E | 7:10 PM | 272° W | 32° | 12h 16m |
| December solstice (Dec 21) | 8:59 AM | 138° SE | 3:15 PM | 222° SW | 8° | 6h 16m |
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 | 7:57 AM | 8:47 AM | 10:11 AM | 2:26 PM | 3:50 PM | 4:39 PM | 7h 03m |
| February | 7:00 AM | 7:42 AM | 8:43 AM | 4:03 PM | 5:04 PM | 5:46 PM | 9h 22m |
| March | 6:45 AM | 7:25 AM | 8:18 AM | 6:18 PM | 7:11 PM | 7:51 PM | 11h 46m |
| April | 5:11 AM | 5:56 AM | 6:50 AM | 7:27 PM | 8:22 PM | 9:06 PM | 14h 26m |
| May | 3:42 AM | 4:40 AM | 5:43 AM | 8:28 PM | 9:31 PM | 10:29 PM | 16h 51m |
| June | 2:37 AM | 3:59 AM | 5:12 AM | 9:07 PM | 10:20 PM | 11:42 PM | 18h 21m |
| July | 3:16 AM | 4:24 AM | 5:33 AM | 8:57 PM | 10:05 PM | 11:13 PM | 17h 41m |
| August | 4:41 AM | 5:30 AM | 6:27 AM | 8:00 PM | 8:57 PM | 9:46 PM | 15h 28m |
| September | 5:58 AM | 6:38 AM | 7:31 AM | 6:37 PM | 7:30 PM | 8:11 PM | 12h 52m |
| October | 7:05 AM | 7:45 AM | 8:42 AM | 5:07 PM | 6:04 PM | 6:44 PM | 10h 18m |
| November | 7:13 AM | 7:59 AM | 9:13 AM | 2:35 PM | 3:48 PM | 4:34 PM | 7h 48m |
| December | 8:01 AM | 8:55 AM | 10:36 AM | 1:33 PM | 3:14 PM | 4:07 PM | 6h 19m |
Local time (America/Juneau), 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
The Milky Way's bright core (in Sagittarius) barely clears the southern horizon at this latitude, so focus on winter Milky Way, aurora or star trails instead.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -11° | — |
| February | Below 10° in darkness | — | -5° | — |
| March | Below 10° in darkness | — | -2° | — |
| April | Below 10° in darkness | — | -3° | — |
| May | Below 10° in darkness | — | -1° | — |
| June | No darkness | — | — | — |
| July | No darkness | — | — | — |
| August | Below 10° in darkness | — | 0° | — |
| September | Below 10° in darkness | — | -4° | — |
| October | Below 10° in darkness | — | -5° | — |
| November | Below 10° in darkness | — | -10° | — |
| December | Below 10° in darkness | — | -21° | — |
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 ≈ 21.95 mag/arcsec². Aurora needs roughly Kp 0.5+ to show low on the northern horizon here.
Weather & best season
Long-term NASA satellite data for this area show April as the clearest month (about 74% average cloud cover) and December as the cloudiest (81%). August is the warmest month and March 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 | 43 | 41 | 44 | 47 | 54 | 68 | 69 | 68 | 60 | 51 | 46 | 42 |
| Low °F | -3 | 0 | -2 | 15 | 28 | 35 | 40 | 43 | 37 | 21 | 5 | -1 |
| Precip. (in) | 17.8 | 14.5 | 11.6 | 10.8 | 9.2 | 7.1 | 8.7 | 13.2 | 18.8 | 20.2 | 19.7 | 20.0 |
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
- Photograph the peak from a lake, meadow or ridge at sunrise when the face that looks east lights up first.
- 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.
- 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 Mount Bertha, closest first.
Mountain Peak
Mountain Peak
Mountain Peak
Glacier
Mountain Peak
Glacier
Mountain Peak
Glacier
GlacierFAQ
When is the best time to photograph Mount Bertha?
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Where does the sun rise and set at Mount Bertha?
Can you see the Milky Way from Mount Bertha?
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How far is Mount Bertha from Juneau?
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.