Oregon Caves National Monument and Preserve, a Dark Sky Park
- How dark?
- Dark · Milky Way overhead, hazy lower down
- Entry
- Free; cave by paid tour only
- Food & town
- Cave Junction · about 15 mi
- Certified
- Dark Sky Park · 2024
How dark is it, really?
Dark enough to see the Milky Way overhead on a clear night, though glow from nearby towns washes out the sky near the horizon. (For the detail-minded: Bortle class 4, an estimate.)
When should I go?
Pick a night when the moon is down. The next stretch of moonless evenings is Nov 5–12.
| Best nights | Moonlight | Worth staying up for |
|---|---|---|
| Nov 5–12 | Mostly none · thin crescent on the edge nights | A sky full of stars, and extra shooting stars (Leonids) |
| Dec 5–11 | Thin crescent, sets early | A sky full of stars, and extra shooting stars (Geminids) |
| Jan 3–9 | None · darkest skies | A sky full of stars, and a meteor shower peak (Quadrantids) |
More dark windows, through Oct 2027
| Best nights | Moonlight | Worth staying up for |
|---|---|---|
| Feb 1–8 | Mostly none · thin crescent on the edge nights | A sky full of stars |
| Mar 2–9 | Thin crescent, rises late | The Milky Way core |
| Mar 31–Apr 7 | Crescent, rises late | The Milky Way core |
| May 1–7 | Thin crescent, sets early | The Milky Way core, and a meteor shower peak (Eta Aquariids) |
| May 31–Jun 6 | Mostly none · thin crescent on the edge nights | The Milky Way core |
| Jul 1–7 | Thin crescent, sets early | The Milky Way core |
| Jul 30–Aug 6 | Thin crescent, rises late | The Milky Way core, and a meteor shower peak (Southern Delta Aquariids) |
| Aug 29–Sep 5 | Crescent, sets early | The Milky Way core |
| Sep 27–Oct 3 | None · darkest skies | The Milky Way core |
Computed from public astronomical data for this location. Updated monthly. How it's computed
Milky Way season here: Late Feb to early Oct. Out of season until late Feb. In season now, through early Oct. Out of season until late Feb.
Meteor showers ahead: Leonids on Nov 17–18 (half moon, sets around midnight), Geminids on Dec 13–14 (thin crescent, sets early), Ursids on Dec 22–23 (full moon, up all night), and Quadrantids on Jan 3–4 (none · darkest skies)Lyrids on Apr 22–23 (bright moon for most of the night)Eta Aquariids on May 5–6 (none · darkest skies)Southern Delta Aquariids on Jul 30–31 (thin crescent, rises late)Perseids on Aug 12–13 (bright moon for most of the night).
Email me before the next dark window at Oregon Caves National Monument and Preserve.
About one email a month, a few days before the moon goes dark: the dates here, the moonlight, and what's worth staying up for. Unsubscribe in one click.
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Food, fuel, and supplies
Cave Junction, OR is about 15 mi away in a straight line, with groceries (La Zapoteca Market, Shop Smart, Grocery Outlet), 3 gas stations, and 16 places to eat on the map. Nearest places to eat on the map: Rascals (about 10 mi, in Williams, OR), Cocina 7 (about 10 mi, in Williams, OR), and Coffee Heaven (about 15 mi).
Distances are straight-line and approximate. Places on the map may not be open. Map data © OpenStreetMap contributors, ODbL.
✓ Certification verified Jul 2026 against DarkSky International registry (Internet Archive capture) · entry fee from National Park Service (Sep 2026) · darkness: Bortle 4, estimated (Sep 2026) · nearest town from OpenStreetMap contributors (ODbL) (Sep 2026)
Dark sky places near Oregon Caves National Monument and Preserve
No other dark sky place on this site is within 150 miles of Oregon Caves National Monument and Preserve. The closest is Oregon Outback, about 157 mi east. Or browse every place by state.