Monument Hill is a mountain pass in El Paso County, Colorado. The nearest town is Woodmoor, about 2.9 km (1.8 mi) away (Monument Hill lies NNW of town).
Monument Hill or Black Forest Divide Pass is a 7,352 feet (2,241 m) elevation mountain pass in the Palmer Divide in central Colorado in the United States. The pass dividing the Arkansas River drainage system to the south and the Platte River drainage system to the north is the high point on I-25 between Denver and Colorado Springs.From the Wikipedia article “Monument Hill (Colorado)”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Monument Hill the sunrise point swings a long way through the year: about 59° (ENE) at the June solstice and 120° (ESE) in late December. Sunset moves from 302° (WNW) in June to 240° (WSW) in December, and the midday sun climbs to 74° in summer but only 27° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:04 AM | 90° E | 7:12 PM | 271° W | 51° | 12h 08m |
| June solstice (Jun 21) | 5:34 AM | 59° ENE | 8:30 PM | 302° WNW | 74° | 14h 55m |
| September equinox (Sep 22) | 6:48 AM | 89° E | 6:58 PM | 271° W | 51° | 12h 10m |
| December solstice (Dec 21) | 7:16 AM | 120° ESE | 4:41 PM | 240° WSW | 27° | 9h 25m |
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
Mountain passes sit above valleys, so they reward sunrise and sunset with layered ridges, valley fog and long shadows.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 6:48 AM | 7:18 AM | 7:59 AM | 4:20 PM | 5:01 PM | 5:30 PM | 9h 43m |
| February | 6:25 AM | 6:52 AM | 7:29 AM | 5:00 PM | 5:37 PM | 6:04 PM | 10h 45m |
| March | 6:45 AM | 7:12 AM | 7:47 AM | 6:31 PM | 7:07 PM | 7:33 PM | 11h 55m |
| April | 5:56 AM | 6:23 AM | 6:59 AM | 7:01 PM | 7:37 PM | 8:04 PM | 13h 14m |
| May | 5:17 AM | 5:47 AM | 6:25 AM | 7:28 PM | 8:06 PM | 8:36 PM | 14h 19m |
| June | 5:02 AM | 5:34 AM | 6:14 AM | 7:48 PM | 8:28 PM | 9:00 PM | 14h 54m |
| July | 5:15 AM | 5:46 AM | 6:26 AM | 7:46 PM | 8:26 PM | 8:57 PM | 14h 39m |
| August | 5:45 AM | 6:13 AM | 6:50 AM | 7:20 PM | 7:56 PM | 8:25 PM | 13h 43m |
| September | 6:15 AM | 6:42 AM | 7:17 AM | 6:34 PM | 7:10 PM | 7:36 PM | 12h 28m |
| October | 6:43 AM | 7:10 AM | 7:46 AM | 5:46 PM | 6:22 PM | 6:49 PM | 11h 12m |
| November | 6:15 AM | 6:43 AM | 7:23 AM | 4:07 PM | 4:46 PM | 5:15 PM | 10h 03m |
| December | 6:42 AM | 7:12 AM | 7:55 AM | 3:56 PM | 4:39 PM | 5:09 PM | 9h 26m |
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 Monument Hill, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 5.0 hours on a moonless night), and the core peaks around 22° above the southern horizon. Our light-pollution model puts the sky at about Bortle 6 (bright suburban sky), so expect visible sky glow; drive away from towns for better results.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -2° | — |
| February | 5:06 AM – 5:16 AM | 0.2 | 12° | SE → SE |
| March | 4:15 AM – 5:35 AM | 1.3 | 19° | SE → SSE |
| April | 2:11 AM – 4:41 AM | 2.5 | 22° | SE → S |
| May | 12:13 AM – 3:53 AM | 3.7 | 22° | SE → S |
| June | 10:26 PM – 3:26 AM | 5.0 | 22° | SE → SSW |
| July | 10:19 PM – 2:09 AM | 3.8 | 22° | SSE → SW |
| August | 9:35 PM – 12:05 AM | 2.5 | 22° | S → SW |
| September | 8:40 PM – 10:00 PM | 1.3 | 19° | SSW → SW |
| October | 7:50 PM – 8:00 PM | 0.2 | 12° | SW → SW |
| November | Below 10° in darkness | — | 0° | — |
| 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: 6 Bortle 6 — Bright suburban sky. The Milky Way is only visible near the zenith; the sky glows grey-orange in photos. Modeled zenith brightness ≈ 19.49 mag/arcsec². Aurora needs roughly Kp 8.0+ to show low on the northern horizon here.
Weather & best season
Long-term NASA satellite data for this area show September as the clearest month (about 38% average cloud cover) and February as the cloudiest (57%). 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 (%)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 70 | 73 | 79 | 87 | 95 | 103 | 103 | 102 | 97 | 86 | 77 | 67 |
| Low °F | -2 | -9 | 0 | 10 | 21 | 35 | 49 | 43 | 28 | 8 | -1 | -6 |
| Precip. (in) | 0.5 | 0.6 | 1.1 | 1.8 | 2.3 | 1.9 | 2.4 | 2.2 | 1.3 | 1.0 | 0.6 | 0.5 |
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 pass
- Summit pull-outs often face one direction; use the sun azimuth table to see whether sunrise or sunset suits the view.
- Wildflowers bloom late at pass elevations — often July to early August in the Rockies and Sierra.
- Check road status before driving: many high passes close seasonally or after storms.
- Look for the road itself as a leading line — switchbacks from above make strong compositions.
- Bring a spare battery — cold weather and long exposures drain them fast.
Season: Summer and early autumn are the main season; winter visits depend on plowing and avalanche conditions.
Suggested gear: Telephoto lens, Tripod, Warm layers, Road-condition app. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of Monument Hill, closest first.
Campgrounds nearby (Recreation.gov)
- Meadow Ridge19.3 km (12.0 mi) · reservable
- Thunder Ridge19.3 km (12.0 mi) · reservable
- Springdale19.7 km (12.2 mi) · reservable
- Colorado Campground20 km (13 mi) · reservable
- Manitou Lake Pavilion20 km (13 mi) · reservable
FAQ
When is the best time to photograph Monument Hill?
What time is golden hour at Monument Hill?
Where does the sun rise and set at Monument Hill?
Can you see the Milky Way from Monument Hill?
Do you need a permit to photograph at Monument Hill?
How far is Monument Hill from Woodmoor?
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.