43.064°, -2.490° · 211 m a.s.l.
Visible
The Sun clears local terrain by 2.78° at C3.
100%
You'll see full totality. C3 — the end of totality — is visible above the horizon.
Total eclipse · 100% obscuration
See the eclipse from Arrasate / Mondragón minute by minute
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Photo: Marisol Murua · CC BY-SA 3.0 · Wikimedia Commons
Arrasate / Mondragón sits in the Deba valley within the Basque Country, at 211 meters altitude. With nearly 22,000 inhabitants and founded in 1260, it is a city marked by a strong industrial and cooperative character, recognized worldwide for the cooperative movement that emerged in its streets during the twentieth century. Its medieval historic center coexists with working-class neighborhoods that reflect decades of economic and industrial transformation in the interior Basque region.
On August 12, 2026, at 20:27 local time, Arrasate / Mondragón will lie within the path of totality of the solar eclipse. At that moment, the Sun will be just 7.8° above the geometric horizon with an azimuth of 283°, but the margin relative to the topographic horizon is 4.2°, confirming that totality will be visible. The Sun's position will be very low on the horizon, making it essential to choose an observation point with a completely clear western-northwestern horizon.
AEMET records for August in this area (1991–2020 period) indicate a low risk of thunderstorms during the month. In the interior of the Basque Country, August is usually relatively stable, although Atlantic clouds can appear at any time. For August 12, it is advisable to check the forecast in advance and choose an observation point with a clear western horizon.
The last total eclipse visible from Arrasate / Mondragón occurred on July 18, 1860, 166 years ago, with a totality phase lasting approximately two minutes and twenty-six seconds. After the three eclipses of 2026, 2027, and 2028, one must wait until February 27, 2082 for the next annular eclipse visible from this area, and until November 17, 2180 for the next total eclipse.
At maximum, the Sun will be in the west-northwest direction, with an azimuth of 283° and an elevation of 7.8° above the geometric horizon. It is a position very close to the horizon: any obstacle in that sector—a building, a hill, or a wooded area—could compromise the view of totality. To observe the eclipse, you must face west-northwest and choose a location with the sector between west and northwest completely clear.
Editorial text by eclipses.app · Data: Wikidata, AEMET, NASA and astronomy-engine.
| Phase | UTC | Local time | Sun alt. | Sun az. |
|---|---|---|---|---|
| C1 — Partial begins | 17:32 UTC | 19:32 | +17.9° | 273.8° |
| C2 — Totality begins | 18:27 UTC | 20:27 | +7.9° | 283.0° |
| Maximum | 18:27 UTC | 20:27 | +7.9° | 283.0° |
| C3 — Totality ends | 18:27 UTC | 20:27 | +7.8° | 283.1° |
| C4 — Partial ends | 19:20 UTC | 21:20 | -0.7° | 291.8° |
Look toward WNW (291.8°)
Azimuth at C4
291.8° WNW
Sun altitude at C4
-0.71°
Terrain horizon
5.05°
Sun−terrain margin
+2.78°
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 |
|---|---|---|---|
| Aketegi | 1551 m | 17.5 km | 132° SE |
| Aketegi erpina | 1548 m | 17.6 km | 132° SE |
| Illarrabeltxeko gaina | 1533 m | 17.8 km | 132° SE |
| Aizkorri | 1528 m | 18.4 km | 133° SE |
| Aitxuri | 1508 m | 18.1 km | 133° SE |
| Iraule | 1507 m | 17.2 km | 132° SE |
| Arbelaitz | 1506 m | 16.8 km | 132° SE |
| Tontorraundi | 1484 m | 18.6 km | 134° SE |
P25 — clearer days
36%
Median cloud cover
98%
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 — Arrasate / Mondragón is inside the totality path and the horizon allows the total phase to be fully visible.
Maximum occurs at 20:27 local time (18:27 UTC) in Arrasate / Mondragón.
Look WNW (azimuth 283°); the Sun will be 8° above the horizon at maximum from Arrasate / Mondragón.
Totality lasts 0 min 29 s in Arrasate / Mondragón (C2 to C3).
Arrasate / Mondragón 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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