Tectonic fissure/FreshwaterPatrimonio Mundial UNESCOÁrea Marina Protegida

Silfra Fissure

Iceland · Þingvellir National Park

Near Thingvellir (Þingvellir)

Profundidad: 7–18 mNivel: Open Water (drysuit required)All year round

A fissure opened in the rift valley between the North American and Eurasian plates, filled with meltwater from the Langjökull glacier that has percolated for decades through porous lava. That natural filtration is what produces visibility comfortably in excess of 80-100 m. The fissure opened in the earthquakes of 1789.

Depth

7–18 m

Recommended level

Open Water (drysuit required)

Average visibility

100 m

Water temperature

3 °C

Current

None

Access

Shore

Best time

All year round

Recommended certification

Drysuit Diver

Approx. price

130 USD / dive

Plan your dive

Best time
All year round
Approx. price
130 USD / dive
Nearby park (3 km away)Thingvellir (Þingvellir)

Protection status

Parque Nacional de Þingvellir; el acceso está regulado y solo se puede bucear con operadores autorizados bajo normas ambientales estrictas

UNESCO designation

Patrimonio Mundial (Parque Nacional de Þingvellir, inscrito en 2004 como bien CULTURAL por la sede del Alþingi; el valor geológico no es el criterio de inscripción)

Did you know

El agua no procede del lago sino del glaciar, y tarda entre 30 y 100 años en llegar. La grieta se ensancha unos 2 cm al año y cambia con cada seísmo: los desprendimientos crean túneles y perfiles nuevos. Conviene matizar un tópico: los guías señalan que el límite exacto entre placas es difuso, no una línea limpia que se pueda tocar con las dos manos.

Sources consulted: Þingvellir National Park (web oficial); DIVE.IS; adventures.is; discover-iceland.com; silfrafissure.com

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1 park within 30 km — see the related spots section for more detail.

3 species documented in Silfra Fissure

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