Grand Gulch Instant Study Area Complex

Sky Score 67/100≈ Bortle 2

Grand Gulch Instant Study Area Complex is a protected area in Utah with a measured darkness of 93/100 (≈ Bortle 2), among the very darkest measurable skies in the American Southwest, the Milky Way casts visible shadows on moonless nights. The best month to come is typically September, when about 77% of the night sky is clear.

Tonight's outlook: 67/100. The moon is 7% lit and above the horizon 13% of the night; typical August clear-sky odds here are 65%. Updated daily.

Best time to stargaze at Grand Gulch Instant Study Area Complex

MonthClear night skiesSky Score (new moon)
January53%58/100
February60%63/100
March58%62/100
April66%67/100
May69%70/100
June76%75/100
July62%64/100
August65%67/100
September77%76/100
October72%72/100
November71%71/100
December56%61/100

Scores assume a moonless night, check the moon before you drive (methodology).

Where to stay near Grand Gulch Instant Study Area Complex

Each place below is rated for the darkness at its own doorstep, stay dark, and the sky is yours from the parking lot.

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