Big Slough Wilderness

Sky Score 46/100≈ Bortle 3

Big Slough Wilderness is a protected area in Texas with a measured darkness of 80/100 (≈ Bortle 3) — a genuinely dark sky where the Milky Way is a bright, structured band. The best month to come is typically September, when about 62% of the night sky is clear.

Tonight's outlook: 49/100. The moon is 7% lit and above the horizon 13% of the night; typical August clear-sky odds here are 53%. Updated daily.

Best time to stargaze at Big Slough Wilderness

MonthClear night skiesSky Score (new moon)
January46%45/100
February39%41/100
March38%40/100
April42%43/100
May37%40/100
June49%47/100
July53%50/100
August53%50/100
September62%56/100
October61%55/100
November46%46/100
December42%43/100

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

Where to stay near Big Slough Wilderness

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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Nearby spots in Texas