Larix occidentalis foliage and young cones, Idaho, USA
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48.3838° N114.0580° WBortle 3Denver

International Larix Arboretum Photography Guide

Botanical Garden in Flathead County, Montana

  • Bortle 3 sky
  • Sunset azimuth 235°–308°
  • Clearest: July
  • Milky Way May–Jul
Photo: Chris Schnepf, University of Idaho, USA · CC BY 3.0 us · source

International Larix Arboretum is a botanical garden in Flathead County, Montana. It sits roughly 9.2 km (5.7 mi) E of Columbia Falls.

The International Larix Arboretum is a small arboretum of 1.2 acres (4,900 m2) dedicated to the scientific study of the larch (Larix) species. It is located within the Coram Experimental Forest, 30 yards SE of the Hungry Horse Ranger station at 10 Hungry Horse Drive Hungry Horse, Montana. The Arboretum is open to the public, without charge, during daylight hours from April to October. Coram Experimental Forest was established in 1933 on the Flathead National Forest as an area representative of the Western Larch (Larix occidentalis). While quite similar in appearance to other members of the pine tree family (pinaceae), the larch is not an evergreen. It is deciduous and its needle-like leaves turn yellow and are shed in the autumn. In addition, its wood is water resistant and thus used for fence posts, boat building, and exterior cladding.From the Wikipedia article “International Larix Arboretum”, licensed under CC BY-SA 4.0.
Nearest town
Columbia Falls
9.2 km (5.7 mi)
Sky darkness
Bortle 3
Rural sky
Clearest month
July
38% cloud
Milky Way peak
May
1.0 h window
Golden hour (Oct)
6:06 PM
sunset 6:49 PM

Light at International Larix Arboretum

Live
Sunrise
8:04 AM
Sunset
6:39 PM
Golden hour AM
7:45 AM – 8:48 AM
Golden hour PM
5:56 PM – 6:59 PM
Blue hour AM
7:32 AM – 7:45 AM
Blue hour PM
6:59 PM – 7:11 PM
Full darkness
8:24 PM – 6:21 AM
Moon
Waxing Gibbous · 71%
Moonrise / set
4:23 PM / 1:35 AM
Day length
10h 35m
Sunrise azimuth
105°
Sunset azimuth
255°
000306091215182124
NightTwilightBlue hourGolden hourDaylight

Times in America/Denver. 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 International Larix Arboretum 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 235° (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)7:40 AM89° E7:49 PM271° W42°12h 09m
June solstice (Jun 21)5:36 AM52° NE9:42 PM308° NW65°16h 06m
September equinox (Sep 22)7:24 AM89° E7:36 PM271° W42°12h 12m
December solstice (Dec 21)8:26 AM126° SE4:45 PM235° SW18°8h 19m

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

Gardens are best on bright overcast days or early mornings when dew is fresh and the wind is calm.

Month (15th)Blue hour startsSunriseGolden hour endsGolden hour startsSunsetBlue hour endsDaylight
January7:48 AM8:23 AM9:15 AM4:18 PM5:09 PM5:45 PM8h 46m
February7:12 AM7:44 AM8:29 AM5:14 PM5:58 PM6:30 PM10h 14m
March7:19 AM7:50 AM8:32 AM7:00 PM7:42 PM8:13 PM11h 51m
April6:14 AM6:47 AM7:29 AM7:45 PM8:27 PM9:00 PM13h 40m
May5:20 AM5:57 AM6:43 AM8:24 PM9:10 PM9:47 PM15h 13m
June4:53 AM5:35 AM6:24 AM8:51 PM9:40 PM10:22 PM16h 05m
July5:12 AM5:51 AM6:39 AM8:46 PM9:34 PM10:14 PM15h 43m
August5:56 AM6:31 AM7:14 AM8:09 PM8:52 PM9:27 PM14h 21m
September6:42 AM7:14 AM7:55 AM7:10 PM7:51 PM8:22 PM12h 37m
October7:25 AM7:57 AM8:39 AM6:06 PM6:49 PM7:20 PM10h 52m
November7:11 AM7:45 AM8:33 AM4:10 PM4:59 PM5:33 PM9h 14m
December7:45 AM8:22 AM9:16 AM3:48 PM4:43 PM5:19 PM8h 21m

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 International Larix Arboretum, the Milky Way core is visible in a dark sky from May through July. May gives the longest window (about 1.0 hours on a moonless night), and the core peaks around 13° above the southern horizon. Our light-pollution model puts the sky at about Bortle 3 (rural sky), good enough for detailed Milky Way images.

MonthCore visible (15th)HoursMax altitudeDirection
JanuaryBelow 10° in darkness—-5°—
FebruaryBelow 10° in darkness—4°—
MarchBelow 10° in darkness—9°—
April4:25 AM – 4:45 AM0.311°SSE → SSE
May2:20 AM – 3:20 AM1.012°SSE → S
June1:14 AM – 1:54 AM0.713°S → S
July12:27 AM – 1:07 AM0.712°S → SSW
August11:00 PM – 11:10 PM0.211°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: 3 Bortle 3 — Rural sky. Some light domes sit on the horizon, but the Milky Way still looks complex overhead. Modeled zenith brightness ≈ 21.64 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 38% average cloud cover) and December as the cloudiest (81%). July 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 °F434765738296989990785740
Low °F-32-38-29-720243535222-29-31
Precip. (in)3.02.62.92.52.83.71.11.21.82.53.23.0

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 botanical garden

  • A macro lens or close-up filter opens a world of detail — try a shallow aperture against a soft background.
  • Many gardens restrict tripods or charge for photography; check the rules before you go.
  • Backlit petals glow; position yourself so the sun is behind the flower.
  • Seasonal exhibits (orchids, tulips, cherry blossoms) draw crowds — arrive at opening.
  • Kaleidoscopic and abstract images are great for flower close-ups — try the online kaleidoscope tool.
  • Scout in daylight if you plan to shoot at night or before sunrise.

Season: Spring bulbs and blossoms, summer perennials and autumn color; glasshouses offer winter subjects.

Suggested gear: Macro lens, Diffuser, Small reflector. Work out exposures with the depth of field, ND filter and NPF rule calculators.

Nearby photo spots

Other locations within 25 km of International Larix Arboretum, closest first.

Campgrounds nearby (Recreation.gov)

FAQ

When is the best time to photograph International Larix Arboretum?
July has the clearest skies on average; may is best for the milky way core. For light, plan around the first and last hour of sun. Spring bulbs and blossoms, summer perennials and autumn color; glasshouses offer winter subjects.
What time is golden hour at International Larix Arboretum?
In October the evening golden hour starts around 6:06 PM and ends after sunset at about 6:49 PM; the morning golden hour lasts until about 8:39 AM. Use the live widget above for exact times on any date.
Where does the sun rise and set at International Larix Arboretum?
Sunrise azimuth ranges from about 52° in June to 126° in December; sunset ranges from 308° to 235°. See the sun-path diagram for the full arc.
Can you see the Milky Way from International Larix Arboretum?
Yes — the core is visible from May to July on moonless nights. The estimated sky quality is Bortle 3 (rural sky).
Do you need a permit to photograph at International Larix Arboretum?
Personal photography from public land rarely needs a permit. Commercial shoots, models, large groups and drones may require permission from the land manager — check before you go.
How far is International Larix Arboretum from Columbia Falls?
About 9.2 km (5.7 mi) in a straight line; driving distance is usually longer, especially in mountain terrain.

Sources

Location data: Wikidata, 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.