Mount Blum seen from Ruth Mountain. North Cascades, Washington state
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48.7541° N121.4820° W2,328 mBortle 2Los Angeles

Mount Blum Photography Guide

Mountain Peak in Whatcom County, Washington · 2,328 m (7,638 ft)

  • Bortle 2 sky
  • Sunset azimuth 234°–308°
  • Clearest: July
  • Milky Way May–Jul
Photo: Ron Clausen · CC BY-SA 4.0 · source

Mount Blum is a mountain peak in Whatcom County, Washington at about 2,328 m (7,638 ft) above sea level. It lies in or next to North Cascades National Park, so park hours, fees and rules apply. It sits roughly 53 km (33 mi) ESE of Peaceful Valley.

Mount Blum, or Mount Bald, is a 7,685-foot (2,342 m) summit of the North Cascades range in Washington state, on the western edge of North Cascades National Park. It is the highest summit of a string of mountain peaks located east of Mount Shuksan and west of the Picket Range. Two small active glaciers rest on its northern flank. Mount Blum was named after John Blum, a United States Forest Service fire patrol pilot who perished in a plane crash near Snoqualmie Pass in 1931.From the Wikipedia article “Mount Blum”, licensed under CC BY-SA 4.0.
Elevation
2,328 m
7,638 ft
Nearest town
Peaceful Valley
53 km (33 mi)
Sky darkness
Bortle 2
Typical truly dark site
Clearest month
July
42% cloud
Milky Way peak
June
2.7 h window
Golden hour (Oct)
5:35 PM
sunset 6:18 PM

Light at Mount Blum

Live
Sunrise
7:35 AM
Sunset
6:08 PM
Golden hour AM
7:15 AM – 8:19 AM
Golden hour PM
5:24 PM – 6:28 PM
Blue hour AM
7:03 AM – 7:15 AM
Blue hour PM
6:28 PM – 6:41 PM
Full darkness
7:54 PM – 5:51 AM
Moon
Waxing Gibbous · 71%
Moonrise / set
3:54 PM / 1:06 AM
Day length
10h 34m
Sunrise azimuth
105°
Sunset azimuth
255°
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 Mount Blum the sunrise point swings a long way through the year: about 52° (NE) at the June solstice and 126° (SE) in late December. Sunset moves from 308° (NW) in June to 234° (SW) in December, and the midday sun climbs to 65° in summer but only 18° in winter.

NESW60°30°
June solsticeEquinoxesDecember solstice
DateSunriseAzimuthSunsetAzimuthNoon sunDaylight
March equinox (Mar 20)7:10 AM89° E7:19 PM271° W41°12h 09m
June solstice (Jun 21)5:04 AM52° NE9:13 PM308° NW65°16h 10m
September equinox (Sep 22)6:53 AM89° E7:06 PM271° W41°12h 12m
December solstice (Dec 21)7:57 AM126° SE4:13 PM234° SW18°8h 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 startsSunriseGolden hour endsGolden hour startsSunsetBlue hour endsDaylight
January7:19 AM7:54 AM8:46 AM3:46 PM4:38 PM5:13 PM8h 43m
February6:42 AM7:15 AM8:00 AM4:42 PM5:27 PM6:00 PM10h 12m
March6:49 AM7:20 AM8:02 AM6:30 PM7:11 PM7:43 PM11h 51m
April5:42 AM6:16 AM6:58 AM7:15 PM7:57 PM8:31 PM13h 42m
May4:47 AM5:25 AM6:12 AM7:55 PM8:41 PM9:19 PM15h 16m
June4:21 AM5:03 AM5:53 AM8:22 PM9:11 PM9:54 PM16h 08m
July4:39 AM5:20 AM6:08 AM8:17 PM9:05 PM9:46 PM15h 46m
August5:25 AM6:00 AM6:44 AM7:39 PM8:23 PM8:58 PM14h 23m
September6:12 AM6:43 AM7:25 AM6:39 PM7:21 PM7:52 PM12h 37m
October6:55 AM7:27 AM8:10 AM5:35 PM6:18 PM6:50 PM10h 51m
November6:41 AM7:16 AM8:05 AM3:38 PM4:27 PM5:02 PM9h 12m
December7:16 AM7:53 AM8:48 AM3:16 PM4:11 PM4:48 PM8h 18m

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 Mount Blum, the Milky Way core is visible in a dark sky from May through July. June gives the longest window (about 2.7 hours on a moonless night), and the core peaks around 12° above the southern horizon. Our light-pollution model puts the sky at about Bortle 2 (typical truly dark site), which is excellent for astrophotography.

MonthCore visible (15th)HoursMax altitudeDirection
JanuaryBelow 10° in darkness—-5°—
FebruaryBelow 10° in darkness—4°—
MarchBelow 10° in darkness—9°—
April3:56 AM – 4:06 AM0.211°SSE → SSE
May1:53 AM – 2:43 AM0.812°SSE → S
June11:54 PM – 2:34 AM2.712°SSE → SSW
July12:02 AM – 12:42 AM0.712°S → SSW
August10:32 PM – 10:32 PM0.010°SSW → SSW
SeptemberBelow 10° in darkness—8°—
OctoberBelow 10° in darkness—4°—
NovemberBelow 10° in darkness—-5°—
DecemberBelow 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 ≈ 21.72 mag/arcsec². Aurora needs roughly Kp 4.0+ 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 42% average cloud cover) and November as the cloudiest (76%). 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 (%)

JanFebMarAprMayJunJulAugSepOctNovDec
JanFebMarAprMayJunJulAugSepOctNovDec
High °F475056687787909086765541
Low °F-20-17-1211628343524-2-17-20
Precip. (in)9.56.57.54.83.63.01.31.73.47.210.79.1

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

  • 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.
  • 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.
  • Scout in daylight if you plan to shoot at night or before sunrise.

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 Blum, closest first.

Campgrounds nearby (Recreation.gov)

FAQ

When is the best time to photograph Mount Blum?
July 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. Early summer keeps snow on the peaks with green valleys below; autumn adds aspen or larch color in many ranges.
What time is golden hour at Mount Blum?
In October the evening golden hour starts around 5:35 PM and ends after sunset at about 6:18 PM; the morning golden hour lasts until about 8:10 AM. Use the live widget above for exact times on any date.
Where does the sun rise and set at Mount Blum?
Sunrise azimuth ranges from about 52° in June to 126° in December; sunset ranges from 308° to 234°. See the sun-path diagram for the full arc.
Can you see the Milky Way from Mount Blum?
Yes — the core is visible from May to July on moonless nights. The estimated sky quality is Bortle 2 (typical truly dark site).
Do you need a permit to photograph at Mount Blum?
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 Mount Blum from Peaceful Valley?
About 53 km (33 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.