Fiftymile Mountain Wilderness Study Area

Sky Score 68/100≈ Bortle 2

5 places to stay nearby, rated for darkness ↓

Fiftymile Mountain Wilderness Study Area is a protected area in Utah with a measured darkness of 93/100 (≈ Bortle 2), among the very darkest measurable skies we have rated: the Milky Way casts visible shadows on moonless nights. The best month to come is typically September, when about 80% of the night sky is clear.

Tonight's outlook: 34/100. The moon is 98% lit and above the horizon 96% of the night; typical September clear-sky odds here are 80%. Updated daily.

Best time to stargaze at Fiftymile Mountain Wilderness Study Area

MonthClear night skiesSky Score (new moon)
January52%57/100
February60%63/100
March58%62/100
April68%69/100
May71%71/100
June78%76/100
July65%67/100
August69%70/100
September ★80%78/100
October74%74/100
November72%72/100
December57%61/100

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

Where to stay near Fiftymile Mountain Wilderness Study Area: sleep under a dark sky

We measured the night sky over each stay below, not just over the spot: the darkness score is computed at the hotel's own location, so you know what you'll see from the door. Sorted darkest sky first, with the distance to Fiftymile Mountain Wilderness Study Area for each.

84/100sky darkness at this stay

#1Darkest sky of these stays

Defiance House Lodge

Sky darkness
84/100
To the spot
48.8 km
Location
Bullfrog

82/100sky darkness at this stay

#2

Camp Sarika at Amangiri

Sky darkness
82/100
To the spot
50 km
Rodeway Inn & Suites Big Water - Antelope Canyon#3

Rodeway Inn & Suites Big Water - Antelope Canyon

7.8Well rated(656 reviews)

This friendly motel offers convenient access to Antelope Canyon Tours, just 20 minutes' drive away, with an outdoor patio perfect for evening stargazing and complimentary breakfast to fuel your desert adventures. Free Wi-Fi, parking, and barbecue facilities make it an easy base for exploring the region near Lake Powell.

Sky darkness
79/100
To the spot
48.6 km
Location
Big Water

More stays nearby

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Live prices around Big Water

Big Water is the closest base to Fiftymile Mountain Wilderness Study Area with rooms to book. The map shows everything available there right now, including the hotels, apartments and cabins we do not rate. Use the stays above when darkness decides, use the map when price or availability does.

Prices and availability come from the booking partners shown on the map, and we earn a commission on bookings made through it. Sky darkness is measured only for the stays listed above.

Nearby spots in Utah

Sky data: NASA Black Marble VJ146A4 2025 annual composite · clear-sky climatology ERA5 2015–2024 (methodology).