Timpanogos Cave National Monument
Sky Score 34/100≈ Bortle 5
Timpanogos Cave National Monument is a protected area in Utah with a measured darkness of 53/100 (≈ Bortle 5) — a usable sky for casual stargazing, though city glow is noticeable. The best month to come is typically September, when about 75% of the night sky is clear.
Tonight's outlook: 40/100. The moon is 7% lit and above the horizon 8% of the night; typical August clear-sky odds here are 69%. Updated daily.
Best time to stargaze at Timpanogos Cave National Monument
| Month | Clear night skies | Sky Score (new moon) |
|---|---|---|
| January | 38% | 27/100 |
| February | 44% | 29/100 |
| March | 43% | 29/100 |
| April | 54% | 33/100 |
| May | 51% | 32/100 |
| June | 66% | 39/100 |
| July | 70% | 40/100 |
| August | 69% | 40/100 |
| September ★ | 75% | 43/100 |
| October | 64% | 38/100 |
| November | 50% | 32/100 |
| December | 37% | 26/100 |
Scores assume a moonless night — check the moon before you drive (methodology).
Where to stay near Timpanogos Cave National Monument
No lodging within 80 km — this is true wilderness. Plan to camp, or base yourself in the nearest gateway town and drive out for the night.
Nearby spots in Utah
- Rockport State Park — 45.8 km · Sky Score 44/100
- East Canyon State Park — 48.4 km · Sky Score 40/100
- Scofield State Park — 87.3 km · Sky Score 58/100
- Starvation State Park — 106.8 km · Sky Score 50/100
- Willard Bay State Park — 108.7 km · Sky Score 39/100