Entrance of Spanish Treasure Cave
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36.4822° N94.4603° WBortle 4Chicago

Old Spanish Treasure Cave Photography Guide

Cave in Benton County, Arkansas

  • Bortle 4 sky
  • Sunset azimuth 241°–301°
  • Clearest: September
  • Milky Way Feb–Oct
Photo: Brandonrush · CC BY-SA 3.0 · source

Old Spanish Treasure Cave — a cave in Benton County, Arkansas — is a rewarding subject for landscape photographers. It sits roughly 6.7 km (4.2 mi) N of Gravette.

The Old Spanish Treasure Cave is located on Hwy 59 between Sulphur Springs and Gravette, Arkansas in the northwest corner of the state. It has been a popular tourist attraction since at least 1908. It is still open to the public, with guided tours and other activities such as panning for treasure and finding fossils.From the Wikipedia article “Old Spanish Treasure Cave”, licensed under CC BY-SA 4.0.
Nearest town
Gravette
6.7 km (4.2 mi)
Sky darkness
Bortle 4
Rural / suburban transition
Clearest month
September
41% cloud
Milky Way peak
June
5.5 h window
Golden hour (Oct)
6:08 PM
sunset 6:43 PM

Light at Old Spanish Treasure Cave

Live
Sunrise
7:30 AM
Sunset
6:36 PM
Golden hour AM
7:14 AM – 8:05 AM
Golden hour PM
6:01 PM – 6:52 PM
Blue hour AM
7:04 AM – 7:14 AM
Blue hour PM
6:52 PM – 7:03 PM
Full darkness
8:02 PM – 6:05 AM
Moon
Waxing Gibbous · 70%
Moonrise / set
3:41 PM / 1:43 AM
Day length
11h 06m
Sunrise azimuth
102°
Sunset azimuth
258°
000306091215182124
NightTwilightBlue hourGolden hourDaylight

Times in America/Chicago. 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 Old Spanish Treasure Cave the sunrise point swings a long way through the year: about 60° (ENE) at the June solstice and 119° (ESE) in late December. Sunset moves from 301° (WNW) in June to 241° (WSW) in December, and the midday sun climbs to 77° in summer but only 30° in winter.

NESW60°30°
June solsticeEquinoxesDecember solstice
DateSunriseAzimuthSunsetAzimuthNoon sunDaylight
March equinox (Mar 20)7:22 AM90° E7:30 PM271° W53°12h 08m
June solstice (Jun 21)6:01 AM60° ENE8:40 PM301° WNW77°14h 39m
September equinox (Sep 22)7:06 AM89° E7:16 PM271° W54°12h 10m
December solstice (Dec 21)7:27 AM119° ESE5:07 PM241° WSW30°9h 40m

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

Caves are lit artificially — show caves have fixed lighting, so a fast lens and high ISO beat flash, which flattens formations.

Month (15th)Blue hour startsSunriseGolden hour endsGolden hour startsSunsetBlue hour endsDaylight
January7:01 AM7:30 AM8:08 AM4:47 PM5:26 PM5:54 PM9h 57m
February6:40 AM7:07 AM7:43 AM5:23 PM5:59 PM6:25 PM10h 52m
March7:04 AM7:30 AM8:04 AM6:51 PM7:26 PM7:51 PM11h 56m
April6:18 AM6:45 AM7:19 AM7:18 PM7:52 PM8:19 PM13h 07m
May5:43 AM6:12 AM6:49 AM7:42 PM8:18 PM8:47 PM14h 06m
June5:30 AM6:00 AM6:38 AM8:00 PM8:38 PM9:09 PM14h 38m
July5:42 AM6:12 AM6:49 AM7:59 PM8:37 PM9:07 PM14h 25m
August6:09 AM6:36 AM7:12 AM7:35 PM8:10 PM8:38 PM13h 34m
September6:35 AM7:01 AM7:35 AM6:53 PM7:27 PM7:53 PM12h 26m
October7:00 AM7:26 AM8:00 AM6:08 PM6:43 PM7:09 PM11h 17m
November6:29 AM6:56 AM7:34 AM4:33 PM5:11 PM5:38 PM10h 14m
December6:55 AM7:23 AM8:03 AM4:24 PM5:04 PM5:33 PM9h 41m

Local time (America/Chicago), 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 Old Spanish Treasure Cave, the Milky Way core is visible in a dark sky from February through October. June gives the longest window (about 5.5 hours on a moonless night), and the core peaks around 25° above the southern horizon. Our light-pollution model puts the sky at about Bortle 4 (rural / suburban transition), good enough for detailed Milky Way images.

MonthCore visible (15th)HoursMax altitudeDirection
JanuaryBelow 10° in darkness—0°—
February5:06 AM – 5:36 AM0.514°SE → SE
March4:22 AM – 6:02 AM1.721°SE → SSE
April2:13 AM – 5:03 AM2.824°SE → S
May12:20 AM – 4:20 AM4.025°SE → SSW
June10:29 PM – 3:59 AM5.525°SE → SW
July10:24 PM – 2:44 AM4.325°SSE → SW
August9:45 PM – 12:35 AM2.824°S → SW
September8:54 PM – 10:34 PM1.721°SSW → SW
October8:09 PM – 8:39 PM0.514°SW → SW
NovemberBelow 10° in darkness—1°—
DecemberBelow 10° in darkness—-19°—

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: 4 Bortle 4 — Rural / suburban transition. Light domes are visible in several directions; the Milky Way is clear but lacks detail near the horizon. Modeled zenith brightness ≈ 21.15 mag/arcsec².

Weather & best season

Long-term NASA satellite data for this area show September as the clearest month (about 41% average cloud cover) and February as the cloudiest (62%). 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 (%)

JanFebMarAprMayJunJulAugSepOctNovDec
JanFebMarAprMayJunJulAugSepOctNovDec
High °F7376859393105108112102908073
Low °F-7-4422334953514123132
Precip. (in)2.32.53.95.06.14.53.73.83.74.22.92.6

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 cave

  • Use manual focus with focus peaking in low light.
  • Never touch formations — skin oils stop their growth.
  • Follow White-nose Syndrome decontamination rules where posted to protect bats.
  • Many show caves restrict tripods on tours; ask in advance or bring a small beanbag.
  • Check road and trail conditions with the managing agency before you go.

Season: Cave interiors stay at a constant temperature year-round; summer tours fill up, so book ahead.

Suggested gear: Fast lens (f/1.8–f/2.8), High-ISO camera, Small beanbag. Work out exposures with the depth of field, ND filter and NPF rule calculators.

Nearby photo spots

Other locations within 25 km of Old Spanish Treasure Cave, closest first.

FAQ

When is the best time to photograph Old Spanish Treasure Cave?
September 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. Cave interiors stay at a constant temperature year-round; summer tours fill up, so book ahead.
What time is golden hour at Old Spanish Treasure Cave?
In October the evening golden hour starts around 6:08 PM and ends after sunset at about 6:43 PM; the morning golden hour lasts until about 8:00 AM. Use the live widget above for exact times on any date.
Where does the sun rise and set at Old Spanish Treasure Cave?
Sunrise azimuth ranges from about 60° in June to 119° in December; sunset ranges from 301° to 241°. See the sun-path diagram for the full arc.
Can you see the Milky Way from Old Spanish Treasure Cave?
Yes — the core is visible from February to October on moonless nights. The estimated sky quality is Bortle 4 (rural / suburban transition).
Do you need a permit to photograph at Old Spanish Treasure Cave?
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 Old Spanish Treasure Cave from Gravette?
About 6.7 km (4.2 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.