40.578°, -4.004° · 883 m a.s.l.
Visible
Partial eclipse · 99.9% obscuration
The Sun clears local terrain by 5.73° at peak.
99.9%
Partial eclipse · 99.9% obscuration
See the eclipse from Galapagar minute by minute
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Photo: Dirección General de Turismo. Consejería de Economía e Innovación Tecnológica. Comunidad de Madrid · CC BY 3.0 es · Wikimedia Commons
Galapagar is a municipality in the province of Madrid, in the Community of Madrid, located at 883 metres altitude on the piedmont of the Sierra de Guadarrama. With a population of around 31,800 inhabitants, it occupies an intermediate position between the mountain range and the Madrid plain. Its elevation above sea level gives it a distinct character from the lowland municipalities: cooler summers and a northern horizon dominated by the peaks of the Central System.
On 12 August 2026, Galapagar will experience a partial solar eclipse. Maximum will occur at 20:31 (local time), with the Sun oriented towards the west-northwest (azimuth 283°) and just 7.6 degrees above the horizon. The clearance above the local topographic horizon is 5.6 degrees, making the eclipse visible from the locality. Given the low solar angle, it is best to choose a location with a clear horizon towards the west-northwest, free from buildings or trees that could obstruct the view.
In August, Galapagar records a low risk of thunderstorms according to AEMET data for the 1991–2020 period. This is favourable for anyone planning to observe the eclipse on the 12th: the phenomenon reaches its peak well into the afternoon, when convective activity typically declines in upland zones. The altitude of 883 metres moderates the summer temperatures typical of interior Madrid, making the hours of waiting outdoors more bearable. Data: AEMET (1991–2020).
Galapagar witnessed its last total eclipse on 8 July 1842, 184 years ago, with a phase of totality lasting 77 seconds. More recently, on 3 October 2005, an annular eclipse covered 90.2% of the solar disc and lasted slightly more than four minutes. After the eclipses of 2026, 2027 and 2028, the next opportunity to see an annular eclipse from these latitudes will not arrive until 8 December 2113.
At the moment of maximum eclipse (20:31, local time), the Sun will be 7.6 degrees above the horizon, pointing towards the west-northwest, with an azimuth of 283°. This orientation means observation must be directed towards that cardinal point. With only 5.6 degrees of clearance above the local topographic horizon, any interposing element—buildings, trees, hills—can block the view. It is recommended to locate in advance a clear location in that direction.
Editorial text by eclipses.app · Data: Wikidata, AEMET, NASA and astronomy-engine.
| Phase | UTC | Local time | Sun alt. | Sun az. |
|---|---|---|---|---|
| C1 — Partial begins | 17:36 UTC | 19:36 | +18.0° | 274.4° |
| Maximum | 18:32 UTC | 20:32 | +7.6° | 283.1° |
| C4 — Partial ends | 19:24 UTC | 21:24 | -1.3° | 291.4° |
Look toward WNW (291.4°)
Azimuth at C4
291.4° WNW
Sun altitude at C4
-1.32°
Terrain horizon
1.89°
Sun−terrain margin
+5.73°
A solar eclipse is described by four key moments, the contact points between the discs of the Sun and the Moon:
Where the eclipse is only partial, the Moon never fully covers the Sun: only C1 and C4 occur, with no totality in between.
| Peak | Elevation | Distance | Azimuth |
|---|---|---|---|
| Cabeza de Hierro Menor | 2376 m | 24.9 km | 13° NNE |
| Cerro de Valdemartín | 2282 m | 24.1 km | 8° N |
| Alto de las Guarramillas (Bola del Mundo) | 2265 m | 23.1 km | 5° N |
| La Maliciosa | 2227 m | 21.2 km | 8° N |
| Cerro del Cristo | 2227 m | 23.2 km | 4° N |
| Dos Castillas | 2179 m | 23.1 km | 3° N |
| Siete Picos - Somontano | 2138 m | 22.7 km | 354° N |
| El Peñotillo | 2124 m | 20.9 km | 7° N |
P25 — clearer days
0%
Median cloud cover
12%
P75 — cloudier days
86%
Source: ERA5 (ECMWF), 10-year average at the eclipse hour.
Solar eclipses computed from astronomical ephemerides for the city's coordinates.
Yes, partial eclipse: the Sun will be 99.9% covered at maximum from Galapagar.
Maximum occurs at 20:32 local time (18:32 UTC) in Galapagar.
Look WNW (azimuth 283°); the Sun will be 8° above the horizon at maximum from Galapagar.
Yes, Galapagar is an excellent choice (score 75/100): favorable geometry, clear horizon, and good August climatology.
Yes, you need ISO 12312-2 certified eclipse glasses during every partial phase. Regular sunglasses do NOT protect. Glasses can only be removed during the totality phase (when the Sun is fully covered); never during annular or partial eclipses. Pages flagged "visible" assume a clear horizon, not a viewing recommendation.
For the August 12 eclipse. Recommended stay: Aug 10–14, 2026.
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