The Bolnuevo Gredas or Bolnuevo Erosions, are a relief subject to continuous transformation. Its profile has suffered wear due to the erosive action of wind and water, but this has not been uniform due to the fact that its materials have different levels of resistance.

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Hans 🌄 🌻🚐🙋‍♂️🚴🚶‍➡️

January 16, 2026

Mountain biking

A natural monument, the enchanting town of Bolnuevo is one of the most beautiful places in the region, so much so that the rock formations, known as "mushrooms," have been declared a natural monument.

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LaraFY

September 14, 2022

Mountain biking

The Enchanted City, also known as Las Gredas de Bolnuevo, consists of heavily eroded sandstone formations along Bolnuevo beach. The sandstone shapes have been sculpted by water and wind over thousands of years. This is a really nice place to take some photos of these very unusual formations.

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Best routes to Bolnuevo Sandstone Formations

Details

Informations

Elevation -10 m

Weather

Friday 6 February

16°C

12°C

25 %

Additional weather tips

Max wind speed: 34.0 km/h

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Location: Mazarrón, Alto Guadalentín, Murcia, Spain

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