43.466°, -3.805° · 1 m a.s.l.
Marginal
Marginal: only 1.00° between the Sun and the local skyline at C3.
100%
Total eclipse · 100% obscuration
See the eclipse from Santander minute by minute
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Photo: Emilio Gómez Fernández · CC BY-SA 4.0 · Wikimedia Commons
Santander is the capital of Cantabria and sits practically at sea level, on the shores of the bay of the same name, in northern Spain. With just over 173,000 inhabitants, it concentrates the region's administration, university, and public services. Its position on the Cantabrian coast gives it a marked oceanic climate and direct access to the sea. The city was formally established as a municipality in 1755, though its port history extends considerably further back.
On August 12, 2026, Santander lies within the path of totality of the solar eclipse. The maximum of the total phase occurs at 20:27, with the Sun at 8.9° above the horizon in the west-northwest direction (azimuth 282°). The margin relative to the topographic horizon is only 1°, placing the observation in a marginal zone: any obstruction in that direction—buildings, hills, or low-lying mist—could prevent visibility of totality.
August in Santander is characterized by a low risk of thunderstorms compared to other capitals in northern Spain. The coastal location and influence of the Cantabrian Sea moderate summer temperatures, though variable cloudiness is a frequent factor at this latitude. It is advisable to check the forecast for the days preceding the eclipse to choose the observation point with the highest probability of clear skies, as conditions can vary significantly over short distances.
The last total eclipse visible from Santander occurred on July 18, 1860, 166 years ago, with a totality of 3 minutes and 19 seconds. Before that, an annular eclipse crossed the area on April 1, 1764, with an obscuration of 86.9% and nearly 6 minutes of annularity. After the 2026 eclipse, the next total event will not arrive until November 17, 2180; the next significant annular eclipse is expected for February 27, 2082.
At the moment of maximum eclipse, the Sun is at 8.9° altitude above the horizon pointing toward the west-northwest, with an azimuth of 282°. This elevation is relatively low: it equals slightly more than the width of a closed fist held at arm's length. To ensure a clear line of sight, it is advisable to position yourself at a location with no obstructions in that direction, preferably with a direct opening to the sea or an open area toward the northwest.
Editorial text by eclipses.app · Data: Wikidata, AEMET, NASA and astronomy-engine.
| Phase | UTC | Local time | Sun alt. | Sun az. |
|---|---|---|---|---|
| C1 — Partial begins | 17:31 UTC | 19:31 | +19.0° | 272.7° |
| C2 — Totality begins | 18:26 UTC | 20:26 | +9.0° | 281.9° |
| Maximum | 18:27 UTC | 20:27 | +9.0° | 282.0° |
| C3 — Totality ends | 18:27 UTC | 20:27 | +8.9° | 282.1° |
| C4 — Partial ends | 19:19 UTC | 21:19 | +0.2° | 290.9° |
Look toward WNW (290.9°)
Azimuth at C4
290.9° WNW
Sun altitude at C4
0.22°
Terrain horizon
7.86°
Sun−terrain margin
+1.00°
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 |
|---|---|---|---|
| La Esquenta | 978 m | 21.1 km | 166° SSE |
| Peña Herrera | 971 m | 21.3 km | 166° SSE |
| Las Enguinzas | 964 m | 20.3 km | 167° SSE |
| Alto del Tejuelo | 938 m | 24.7 km | 157° SSE |
| Picones de Castrillos | 928 m | 24.4 km | 158° SSE |
| Peña de los Lobos | 917 m | 20.8 km | 166° SSE |
| Peña El Acebo | 821 m | 20.8 km | 172° S |
| Castro | 794 m | 23.5 km | 169° S |
P25 — clearer days
0%
Median cloud cover
100%
P75 — cloudier days
100%
Source: ERA5 (ECMWF), 10-year average at the eclipse hour.
Solar eclipses computed from astronomical ephemerides for the city's coordinates.
Yes, but marginally: with 100% obscuration, the topographic horizon from Santander is very close to the Sun's altitude at the end.
Maximum occurs at 20:27 local time (18:27 UTC) in Santander.
Look WNW (azimuth 282°); the Sun will be 9° above the horizon at maximum from Santander.
Totality lasts 1 min 7 s in Santander (C2 to C3).
Santander will see totality (C2-C3) very close to the western horizon. The partial end (C4) falls below the horizon: you need a clear western view for an epic experience.
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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