Cob Cave - Lost Valley Trail is a cave in Newton County, Arkansas. It lies in or next to Buffalo National River, so park hours, fees and rules apply. The nearest town is Huntsville, about 33 km (20 mi) away (Cob Cave - Lost Valley Trail lies ESE of town).
From the National Park Service
Cob Cave is a natural bluff shelter on the Lost Valley Trail in the Upper District of Buffalo National River. This bluff shelter is approximately 50 feet tall, 150 feet deep, and 260 feet long from end to end, and it was formed when a soft, soluble layer of rock was undercut by Clark Creek, leaving a harder upper rock layer as the shelter's "ceiling." Archeological surveys indicate that this shelter was used by Native Americans approximately 2,000 years ago. Artifacts like lithic tools, woven basketry, and small corn cobs (the shelter's namesake) were excavated by University of Arkansas archeologists in 1931.
Text: National Park Service (public domain) — nps.gov.
Sunrise & sunset directions
At Cob Cave - Lost Valley Trail 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 300° (WNW) in June to 241° (WSW) in December, and the midday sun climbs to 77° in summer but only 31° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:18 AM | 90° E | 7:26 PM | 271° W | 54° | 12h 08m |
| June solstice (Jun 21) | 5:58 AM | 60° ENE | 8:34 PM | 300° WNW | 77° | 14h 36m |
| September equinox (Sep 22) | 7:02 AM | 89° E | 7:12 PM | 271° W | 54° | 12h 10m |
| December solstice (Dec 21) | 7:21 AM | 119° ESE | 5:04 PM | 241° WSW | 31° | 9h 42m |
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 starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 6:56 AM | 7:24 AM | 8:03 AM | 4:44 PM | 5:23 PM | 5:51 PM | 9h 59m |
| February | 6:36 AM | 7:02 AM | 7:37 AM | 5:20 PM | 5:55 PM | 6:22 PM | 10h 53m |
| March | 7:00 AM | 7:25 AM | 7:59 AM | 6:47 PM | 7:21 PM | 7:47 PM | 11h 56m |
| April | 6:15 AM | 6:41 AM | 7:15 AM | 7:13 PM | 7:47 PM | 8:14 PM | 13h 06m |
| May | 5:40 AM | 6:09 AM | 6:45 AM | 7:37 PM | 8:13 PM | 8:41 PM | 14h 04m |
| June | 5:27 AM | 5:57 AM | 6:35 AM | 7:55 PM | 8:33 PM | 9:03 PM | 14h 36m |
| July | 5:39 AM | 6:09 AM | 6:46 AM | 7:54 PM | 8:31 PM | 9:01 PM | 14h 22m |
| August | 6:06 AM | 6:33 AM | 7:08 AM | 7:30 PM | 8:05 PM | 8:32 PM | 13h 32m |
| September | 6:31 AM | 6:57 AM | 7:31 AM | 6:49 PM | 7:23 PM | 7:48 PM | 12h 26m |
| October | 6:55 AM | 7:21 AM | 7:56 AM | 6:04 PM | 6:39 PM | 7:05 PM | 11h 18m |
| November | 6:24 AM | 6:51 AM | 7:28 AM | 4:30 PM | 5:07 PM | 5:34 PM | 10h 16m |
| December | 6:49 AM | 7:18 AM | 7:57 AM | 4:22 PM | 5:01 PM | 5:30 PM | 9h 44m |
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 Cob Cave - Lost Valley Trail, the Milky Way core is visible in a dark sky from February through October. June gives the longest window (about 5.7 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 2 (typical truly dark site), which is excellent for astrophotography.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | 0° | — |
| February | 5:02 AM – 5:32 AM | 0.5 | 15° | SE → SE |
| March | 4:07 AM – 5:57 AM | 1.8 | 22° | SE → SSE |
| April | 2:08 AM – 5:08 AM | 3.0 | 25° | SE → S |
| May | 12:14 AM – 4:24 AM | 4.2 | 25° | SE → SSW |
| June | 10:23 PM – 4:03 AM | 5.7 | 25° | SE → SW |
| July | 10:17 PM – 2:37 AM | 4.3 | 25° | SSE → SW |
| August | 9:40 PM – 12:40 AM | 3.0 | 25° | S → SW |
| September | 8:50 PM – 10:30 PM | 1.7 | 22° | SSW → SW |
| October | 8:05 PM – 8:35 PM | 0.5 | 15° | SW → SW |
| November | Below 10° in darkness | — | 2° | — |
| December | Below 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: 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 ≈ 21.76 mag/arcsec².
Weather & best season
Long-term NASA satellite data for this area show September as the clearest month (about 42% 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 (%)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 72 | 76 | 83 | 92 | 94 | 107 | 107 | 112 | 101 | 90 | 81 | 73 |
| Low °F | -5 | -5 | 5 | 21 | 33 | 48 | 53 | 50 | 40 | 24 | 11 | 2 |
| Precip. (in) | 2.5 | 2.9 | 4.2 | 5.1 | 5.7 | 4.2 | 3.7 | 3.6 | 3.8 | 4.2 | 3.2 | 2.8 |
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
- 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.
- Use manual focus with focus peaking in low light.
- Bring a spare battery — cold weather and long exposures drain them fast.
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.
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 Cob Cave - Lost Valley Trail, closest first.
Waterfall
Natural Arch
Waterfall
Wilderness Area
Wilderness Area
WaterfallNatural ArchCampgrounds nearby (Recreation.gov)
- Steel Creek Campground4.3 km (2.7 mi) · reservable
- Kyles Landing Campground10.5 km (6.5 mi) · reservable
- Ozark Campground21 km (13 mi) · reservable
FAQ
When is the best time to photograph Cob Cave - Lost Valley Trail?
What time is golden hour at Cob Cave - Lost Valley Trail?
Where does the sun rise and set at Cob Cave - Lost Valley Trail?
Can you see the Milky Way from Cob Cave - Lost Valley Trail?
Do you need a permit to photograph at Cob Cave - Lost Valley Trail?
How far is Cob Cave - Lost Valley Trail from Huntsville?
Sources
Location data: National Park Service. 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.