Posto de observação

Sky Score 48/100≈ Bortle 3

8 places to stay nearby, rated for darkness ↓

Posto de observação is a scenic viewpoint in Alentejo with a measured darkness of 76/100 (≈ Bortle 3), a genuinely dark sky where the Milky Way is a bright, structured band. The best month to come is typically August, when about 76% of the night sky is clear.

Tonight's outlook: 22/100. The moon is 99% lit and above the horizon 100% of the night; typical September clear-sky odds here are 62%. Updated daily.

Best time to stargaze at Posto de observação

MonthClear night skiesSky Score (new moon)
January50%46/100
February46%43/100
March44%42/100
April44%42/100
May53%47/100
June61%52/100
July73%59/100
August ★76%61/100
September62%53/100
October46%43/100
November46%43/100
December43%41/100

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

Where to stay near Posto de observação: 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 Posto de observação for each.

80/100sky darkness at this stay

#1Darkest sky of these stays

Monte da Bela Raposa

Sky darkness
80/100
To the spot
14.7 km

74/100sky darkness at this stay

#2

Monte de Portugal

Sky darkness
74/100
To the spot
17.7 km
Location
Montargil

65/100sky darkness at this stay

#3

Hotel Lago Montargil & Villas

Sky darkness
65/100
To the spot
15.4 km
Location
Montargil

More stays nearby

Booking links are affiliate links, see the disclosure.

Live prices around Avis

Avis is the closest base to Posto de observação 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 Alentejo

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